/* roulang page: index */
:root{
  --c-primary:#1F5AA6;
  --c-primary-dark:#17427A;
  --c-primary-light:#E8F0FB;
  --c-amber:#E3A02C;
  --c-amber-dark:#C4871C;
  --c-teal:#2C8C7E;
  --c-bg:#F7F9FC;
  --c-card:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#182333;
  --c-text-2:#5B6B80;
  --c-text-3:#8B98A8;
  --c-error:#D64545;
  --c-footer:#12243A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(24,35,51,.06);
  --sh-2:0 14px 30px rgba(24,35,51,.10);
  --sh-nav:0 8px 24px rgba(24,35,51,.10);
  --maxw:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-amber);outline-offset:2px}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark)}

.grid-container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.grid-container{max-width:1280px}}

/* ===== 公告细条 ===== */
.notice-bar{background:var(--c-primary-light);border-bottom:1px solid #d9e6f8}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:42px;padding:6px 0}
.notice-tag{flex:0 0 auto;background:var(--c-amber);color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:var(--r-pill);letter-spacing:.02em}
.notice-text{flex:1 1 auto;font-size:13.5px;line-height:1.6;color:var(--c-primary-dark);margin:0}
.notice-close{flex:0 0 auto;width:28px;height:28px;display:grid;place-items:center;background:transparent;border:0;border-radius:50%;color:var(--c-primary);cursor:pointer;transition:background .2s ease}
.notice-close:hover{background:#d5e5fa}
.notice-close svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ===== 页头导航 ===== */
.site-header{position:sticky;top:0;z-index:90;background:var(--c-bg);padding:14px 0;transition:padding .25s ease,box-shadow .25s ease}
.site-header.is-stuck{padding:8px 0;box-shadow:0 6px 20px rgba(24,35,51,.06)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:12px 18px;
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-stuck .nav-card{box-shadow:var(--sh-nav);padding:9px 18px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(31,90,166,.28);
}
.brand-text{display:block;line-height:1.15}
.brand-text strong{display:block;font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.2px}
.brand-text small{display:block;font-size:11.5px;color:var(--c-text-3);letter-spacing:.06em;margin-top:2px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:6px;flex:1 1 auto}
.nav-chip{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  min-width:70px;padding:7px 8px;
  border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-card);
  font-size:12.5px;line-height:1.3;color:var(--c-text-2);
  white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-chip svg{width:19px;height:19px;fill:none;stroke:var(--c-primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;color:var(--c-primary)}
.nav-chip:hover{background:var(--c-primary-light);border-color:#cfdff5;color:var(--c-primary-dark);transform:translateY(-2px);text-decoration:none;box-shadow:0 6px 14px rgba(31,90,166,.12)}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 14px rgba(31,90,166,.24)}
.nav-chip.is-active svg{stroke:#fff;color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:12px;background:#fff;cursor:pointer;place-items:center;color:var(--c-primary);transition:background .2s ease}
.nav-toggle:hover{background:var(--c-primary-light)}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,166,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(23,66,122,.28)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#c9dcf4}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:var(--r-sm)}
.btn-lg{padding:14px 28px;font-size:15.5px}
.link-all{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.link-all span{transition:transform .2s ease}
.link-all:hover{color:var(--c-primary-dark);text-decoration:none}
.link-all:hover span{transform:translateX(3px)}

/* ===== Hero ===== */
.hero{padding:44px 0 72px}
.hero-grid{gap:36px}
.hero-copy{display:flex;flex-direction:column;justify-content:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;background:var(--c-primary-light);color:var(--c-primary-dark);font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-amber);display:block}
.hero h1{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.25;letter-spacing:-.5px;margin:18px 0 16px;color:var(--c-text)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{display:flex;flex-wrap:wrap;margin:26px 0 0}
.hero-meta li{font-size:13.5px;color:var(--c-text-2);padding:0 16px;border-left:1px solid var(--c-line);line-height:1.6}
.hero-meta li:first-child{padding-left:0;border-left:0}
.hero-meta li b{color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums}
.hero-visual{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;background:#E8F0FB;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.hero-badge{
  position:absolute;top:16px;right:16px;
  background:var(--c-amber);color:#fff;font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:var(--r-pill);letter-spacing:.04em;
  box-shadow:0 6px 14px rgba(227,160,44,.35);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;
  background:#fff;border-radius:12px;padding:10px 16px;
  box-shadow:0 10px 24px rgba(24,35,51,.16);
  display:flex;align-items:center;gap:14px;
}
.hero-float .hf-score{font-size:22px;font-weight:700;color:var(--c-amber-dark);line-height:1;font-variant-numeric:tabular-nums}
.hero-float .hf-label{font-size:12px;color:var(--c-text-3);line-height:1.5}
.hero-float .hf-label b{display:block;font-size:13px;color:var(--c-text);font-weight:600}

/* ===== 板块通用 ===== */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--c-text);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-amber)}
.section-head .sh-desc{margin:6px 0 0 16px;font-size:14.5px;color:var(--c-text-2);line-height:1.7}

/* ===== 剧集网格 ===== */
.card-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.drama-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.drama-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.drama-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:#E8F0FB}
.drama-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.drama-card:hover .drama-cover img{transform:scale(1.03)}
.drama-badge{position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);background:var(--c-amber);color:#fff;letter-spacing:.02em}
.drama-badge.b-teal{background:var(--c-teal)}
.drama-badge.b-blue{background:var(--c-primary)}
.play-btn{
  position:absolute;right:12px;bottom:12px;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  display:grid;place-items:center;
  transition:transform .25s ease,background .25s ease;
}
.play-btn svg{width:14px;height:14px;fill:currentColor}
.play-btn:hover{background:#fff;transform:scale(1.08);text-decoration:none;color:var(--c-primary-dark)}
.drama-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1 1 auto}
.drama-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.drama-body h3 a{color:inherit}
.drama-body h3 a:hover{color:var(--c-primary);text-decoration:none}
.drama-meta{font-size:13px;color:var(--c-text-3);line-height:1.6}
.drama-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line)}
.add-btn{background:none;border:0;padding:0;font-size:13.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:color .2s ease}
.add-btn svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.add-btn:hover{color:var(--c-primary-dark)}
.add-btn.is-added{color:var(--c-teal)}
.rating{font-size:13px;font-weight:700;color:var(--c-amber-dark);font-variant-numeric:tabular-nums}
.rating small{font-weight:500;color:var(--c-text-3);font-size:12px;margin-left:2px}

/* ===== 评价轮播 ===== */
.review-wrap{position:relative}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stars{display:flex;gap:3px;color:var(--c-amber);font-size:14px;letter-spacing:1px}
.review-quote{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid var(--c-line)}
.avatar{width:36px;height:36px;border-radius:50%;flex:0 0 auto;background:var(--c-primary-light);color:var(--c-primary);display:grid;place-items:center;font-size:13px;font-weight:700}
.review-user .ru-name{font-size:13.5px;font-weight:600;color:var(--c-text);line-height:1.4}
.review-user .ru-date{font-size:12px;color:var(--c-text-3);line-height:1.4}
.rev-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
  display:grid;place-items:center;color:var(--c-primary);cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,color .2s ease;
}
.rev-nav:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:0 10px 22px rgba(31,90,166,.24)}
.rev-nav svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rev-prev{left:-18px}
.rev-next{right:-18px}
.rev-dots{display:flex;justify-content:center;gap:8px;margin-top:6px}
.rev-dot{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:var(--c-line);cursor:pointer;transition:background .2s ease,width .2s ease}
.rev-dot.is-active{background:var(--c-primary);width:22px;border-radius:var(--r-pill)}

/* ===== 保障条 ===== */
.assurance{
  background:var(--c-primary-light);border-radius:var(--r-md);
  padding:28px 24px;display:grid;grid-template-columns:repeat(4,1fr);
}
.assurance-item{display:flex;align-items:flex-start;gap:12px;padding:0 20px;border-left:1px solid #cfe0f7}
.assurance-item:first-child{border-left:0;padding-left:0}
.assurance-item svg{width:30px;height:30px;flex:0 0 auto;fill:none;stroke:var(--c-primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.assurance-item h3{font-size:14.5px;font-weight:600;color:var(--c-primary-dark);line-height:1.5;margin-bottom:2px}
.assurance-item p{font-size:12.5px;line-height:1.7;color:var(--c-text-2);margin:0}
.assurance-cta{display:flex;justify-content:center;margin-top:28px}

/* ===== 最新信息（CMS） ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-badge{align-self:flex-start;background:var(--c-primary-light);color:var(--c-primary-dark);font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill)}
.news-card h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a{color:inherit}
.news-card h3 a:hover{color:var(--c-primary);text-decoration:none}
.news-card p{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line)}
.news-foot time{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.news-arrow{width:30px;height:30px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);display:grid;place-items:center;font-size:14px;transition:background .2s ease,color .2s ease,transform .2s ease}
.news-arrow:hover{background:var(--c-primary);color:#fff;text-decoration:none;transform:translateX(2px)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--c-card);border:1px dashed #cfdff5;border-radius:var(--r-md);
}
.news-empty svg{width:44px;height:44px;margin:0 auto 14px;fill:none;stroke:var(--c-text-3);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.news-empty p{font-size:15px;color:var(--c-text-2);margin-bottom:10px}
.news-empty a{font-size:14px;font-weight:600;color:var(--c-primary)}

/* ===== FAQ ===== */
.faq-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--c-text);cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--c-primary);background:#fafcff}
.faq-icon{flex:0 0 auto;width:20px;height:20px;display:grid;place-items:center;color:var(--c-primary);transition:transform .25s ease}
.faq-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2);opacity:0;transition:opacity .25s ease}
.faq-item.is-open .faq-a-inner{opacity:1}

/* ===== 结尾 CTA ===== */
.cta-card{
  background:var(--c-primary-light);
  border:1px solid #d5e4f8;
  border-radius:var(--r-lg);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--c-primary-dark);margin-bottom:10px}
.cta-copy p{font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:36em;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-footer);color:#C7D2E0;padding:64px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-primary);width:38px;height:38px}
.footer-brand strong{display:block;font-size:17px;color:#fff;font-weight:700;line-height:1.2}
.footer-brand small{display:block;font-size:11.5px;color:#8FA5BE;letter-spacing:.06em;margin-top:2px}
.footer-about{font-size:13.5px;line-height:1.85;color:#9DB0C6;max-width:30em;margin-bottom:18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(199,210,224,.28);
  display:grid;place-items:center;color:#C7D2E0;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.footer-social a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;text-decoration:none}
.footer-social svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;line-height:1.7}
.footer-col a{color:#C7D2E0}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{color:#9DB0C6;font-size:13.5px;line-height:1.7}
.footer-contact span{display:block;color:#7F93AA;font-size:12px;letter-spacing:.04em}
.footer-bottom{border-top:1px solid rgba(199,210,224,.16);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:12.5px;color:#8399B0;line-height:1.7;margin:0}
.footer-bottom .fb-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom .fb-links a{font-size:12.5px;color:#8399B0}
.footer-bottom .fb-links a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-chip{min-width:64px;font-size:12px;padding:6px 6px}
  .nav-actions .btn-outline{display:none}
}
@media (max-width:1023px){
  .nav-links{
    display:none;order:3;flex-basis:100%;
    grid-template-columns:repeat(2,1fr);gap:10px;
    margin-top:12px;padding-top:12px;border-top:1px solid var(--c-line);
  }
  .nav-links.is-open{display:grid}
  .nav-chip{flex-direction:row;justify-content:flex-start;gap:10px;min-width:0;padding:11px 12px;font-size:13.5px;border-radius:12px}
  .nav-chip svg{width:20px;height:20px}
  .nav-toggle{display:grid}
  .nav-card{flex-wrap:wrap;gap:12px}
  .nav-actions{margin-left:auto}
  .hero{padding:32px 0 56px}
  .card-grid-4{grid-template-columns:repeat(2,1fr);gap:20px}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .assurance{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .assurance-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .rev-prev{left:-6px}
  .rev-next{right:-6px}
  .cta-card{padding:36px 30px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:52px 0}
  .hero h1{font-size:30px;letter-spacing:-.3px}
  .hero-sub{font-size:15.5px}
  .hero-grid{gap:24px}
  .card-grid-4{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 84vw;padding:20px}
  .rev-nav{display:none}
  .rev-dots{margin-top:0}
  .assurance{grid-template-columns:1fr;gap:20px;padding:24px 20px}
  .assurance-item{border-left:0;padding-left:0;border-top:1px solid #cfe0f7;padding-top:18px}
  .assurance-item:first-child{border-top:0;padding-top:0}
  .hero-meta li{padding:0 12px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .cta-card{padding:30px 24px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px;margin-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .notice-text{font-size:12.5px}
  .section-head{margin-bottom:22px}
  .hero-float{padding:8px 12px;gap:10px}
  .hero-float .hf-score{font-size:19px}
}
@media (max-width:479px){
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .nav-actions .btn-primary{display:none}
  .nav-links.is-open{grid-template-columns:1fr}
  .brand-text strong{font-size:16px}
  .notice-tag{display:none}
}

/* roulang page: article */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-50:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --text-2:#5B6B80;
  --text-3:#8B98A8;
  --footer-bg:#12243A;
  --danger:#D64545;
  --radius-xl:24px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(24,35,51,.06);
  --shadow-md:0 14px 30px rgba(24,35,51,.10);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font);color:var(--text);margin:0;padding:0;letter-spacing:0;font-weight:600;}
p{margin:0 0 1em;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
img{max-width:100%;height:auto;display:block;}
button{font-family:var(--font);cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:var(--font);font-size:15px;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--bg);
  padding:14px 0 10px;
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{padding:8px 0 6px;}
.nav-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:10px 14px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:0 8px 24px rgba(24,35,51,.10);padding:8px 14px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-50);color:var(--primary);
  flex:0 0 auto;
}
.brand-mark svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.brand-mark svg path[fill="currentColor"]{fill:currentColor;stroke:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:-.2px;}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 11px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
  text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.nav-chip svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.nav-chip svg path[fill="currentColor"]{fill:currentColor;stroke:none;}
.nav-chip:hover{background:var(--primary-50);color:var(--primary);border-color:#CFE0F6;transform:translateY(-2px);text-decoration:none;}
.nav-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.nav-chip.is-active:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--primary);
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;}
.nav-toggle.is-open{background:var(--primary-50);border-color:#CFE0F6;}
.nav-mask{
  position:fixed;inset:0;background:rgba(18,36,58,.42);
  opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:110;
}
.nav-mask.is-on{opacity:1;pointer-events:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,166,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,90,166,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-50);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--radius-sm);}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);background:none;border:0;padding:0;}
.btn-text svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.btn-text:hover{color:var(--primary-dark);text-decoration:none;}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:6px 0 0;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:7px;
  font-size:13px;color:var(--text-3);line-height:1.7;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(560px,70vw);}

/* ---------- 文章头部 ---------- */
.article-hero{padding:22px 0 8px;}
.article-head{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:34px 38px 30px;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
}
.article-head::after{
  content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;
  background:radial-gradient(circle at center,rgba(227,160,44,.16),rgba(227,160,44,0) 68%);
  pointer-events:none;
}
.article-title{
  font-size:clamp(26px,3.2vw,38px);
  font-weight:700;line-height:1.25;letter-spacing:-.5px;
  margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;font-size:13px;color:var(--text-3);}
.meta-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-50);color:var(--primary);
  border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;
}
.meta-badge.is-amber{background:rgba(227,160,44,.14);color:var(--amber-dark);}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.meta-item svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- 正文布局 ---------- */
.article-main{padding:26px 0 10px;}
.article-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:36px 40px 42px;
  box-shadow:var(--shadow-sm);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:26px;font-weight:600;line-height:1.35;
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--amber);
}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px;}
.article-body p{margin:0 0 1.1em;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:var(--text);font-weight:700;}
.article-body img{border-radius:12px;margin:24px 0 10px;width:100%;object-fit:cover;background:#E8F0FB;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:center;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:var(--primary-50);
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
  font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.2em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.55em;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:600;}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;margin:22px 0;font-size:15px;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:var(--primary-50);color:var(--primary-dark);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}
.article-body code{background:var(--primary-50);color:var(--primary-dark);padding:2px 6px;border-radius:6px;font-size:14px;}

/* ---------- 侧栏 ---------- */
.side-stack{display:grid;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h2{font-size:16px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.side-card h2::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--amber);display:inline-block;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);line-height:1.7;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;
  background:var(--primary-50);color:var(--primary);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.side-cta{background:linear-gradient(180deg,#EEF4FC 0%,#FFFFFF 62%);}
.side-cta p{font-size:14px;color:var(--text-2);margin:0 0 16px;}
.form-field{margin-bottom:12px;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.form-field input{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,166,.12);}
.form-tip{font-size:12px;min-height:18px;margin:8px 0 0;color:var(--text-3);}
.form-tip.is-err{color:var(--danger);}
.form-tip.is-ok{color:var(--teal);}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:48px 20px 40px;}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:var(--primary-50);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text-2);max-width:460px;margin:0 auto 22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:44px 0 6px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:600;line-height:1.35;}
.section-head .sub{font-size:14px;color:var(--text-2);margin:6px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.rec-cover{position:relative;aspect-ratio:16/9;background:#E8F0FB;overflow:hidden;}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-cover img{transform:scale(1.04);}
.rec-tag{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);color:var(--primary);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
}
.rec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:0;}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{margin-top:auto;padding-top:8px;}

/* ---------- 结尾 CTA ---------- */
.end-cta{padding:46px 0 60px;}
.cta-card{
  background:var(--primary-50);
  border:1px solid #D5E3F7;
  border-radius:var(--radius-xl);
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;
}
.cta-card h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin-bottom:8px;}
.cta-card p{color:var(--text-2);font-size:15px;margin:0;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#C7D2E0;padding:60px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);color:#fff;}
.footer-brand strong{display:block;font-size:17px;color:#fff;font-weight:700;line-height:1.2;}
.footer-brand small{display:block;font-size:12px;color:#8FA3BC;letter-spacing:.06em;}
.footer-about{font-size:14px;line-height:1.85;color:#A9B8CC;margin:0 0 18px;max-width:340px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:#C7D2E0;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.footer-social a svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.footer-social a svg path[fill="currentColor"]{fill:currentColor;stroke:none;}
.footer-social a:hover{background:var(--primary);border-color:var(--primary);color:#fff;}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:#C7D2E0;line-height:1.6;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FA3BC;
}
.footer-bottom a{color:#C7D2E0;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023.98px){
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:14px;box-shadow:var(--shadow-md);z-index:130;
  }
  .nav-links.is-open{display:grid;}
  .nav-chip{justify-content:flex-start;padding:11px 12px;font-size:13px;}
  .nav-card{position:relative;gap:10px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-ghost{display:none;}
  .nav-actions .btn{padding:10px 16px;font-size:14px;}
  .brand-text strong{font-size:16px;}
  .article-head{padding:26px 24px 24px;}
  .article-body{padding:26px 24px 32px;font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:639.98px){
  .nav-links{grid-template-columns:1fr;}
  .nav-actions .btn{display:none;}
  .article-head{padding:22px 18px 20px;border-radius:18px;}
  .article-title{-webkit-line-clamp:3;font-size:24px;}
  .breadcrumb .current{max-width:62vw;}
  .article-body{padding:22px 18px 26px;font-size:16px;line-height:1.85;}
  .article-body h2{font-size:20px;margin-top:30px;}
  .article-body h3{font-size:17px;}
  .article-body blockquote{padding:14px 16px;font-size:15px;}
  .card-grid{grid-template-columns:1fr;}
  .related{padding:34px 0 4px;}
  .end-cta{padding:34px 0 46px;}
  .cta-card{padding:26px 20px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:44px 0 22px;}
}

/* roulang page: category1 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-light:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --text-2:#5B6B80;
  --text-3:#8B98A8;
  --danger:#D64545;
  --disabled:#C3CCD8;
  --footer-bg:#12243A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow-sm:0 6px 18px rgba(24,35,51,.06);
  --shadow-md:0 14px 30px rgba(24,35,51,.10);
  --ease:.25s ease;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}

.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1440px){
  .grid-container{max-width:1280px}
}

/* ====== 通用按钮 ====== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,90,166,.28)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary);text-decoration:none;transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  white-space:nowrap;
}
.link-arrow svg{width:16px;height:16px;flex:0 0 auto;transition:transform var(--ease)}
.link-arrow:hover{text-decoration:none;color:var(--primary-dark)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ====== 徽章 ====== */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-blue{background:var(--primary-light);color:var(--primary)}
.badge-amber{background:rgba(227,160,44,.16);color:var(--amber-dark)}
.badge-teal{background:rgba(44,140,126,.14);color:var(--teal)}

/* ====== 站点头部 ====== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  background:var(--bg);
}
.site-header .nav-card{
  display:flex;align-items:center;gap:14px;
  padding:12px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:padding var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck .nav-card{
  padding:8px 16px;
  box-shadow:0 8px 24px rgba(24,35,51,.10);
}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--primary)}
.brand:hover{text-decoration:none;color:var(--primary)}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:.02em}
.brand-text small{font-size:12px;font-weight:500;color:var(--text-2);letter-spacing:.06em}

.nav-links{
  display:flex;align-items:center;justify-content:center;
  gap:8px;flex:1 1 auto;min-width:0;
}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  color:var(--text-2);
  font-size:13px;font-weight:500;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-chip svg{
  width:17px;height:17px;flex:0 0 auto;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-chip:hover{
  background:var(--primary-light);
  border-color:#CBDFF6;
  color:var(--primary);
  text-decoration:none;
  transform:translateY(-2px);
}
.nav-chip.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(31,90,166,.26);
}
.nav-chip.is-active:hover{background:var(--primary-dark);color:#fff}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:12px;
  background:var(--card);color:var(--primary);
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ====== Hero / 分类横幅 ====== */
.banner-wrap{padding-top:20px}

.page-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  aspect-ratio:21/9;
  background:var(--primary-light);
  box-shadow:var(--shadow-sm);
}
.page-banner img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(23,66,122,.55) 0%,rgba(23,66,122,.34) 46%,rgba(23,66,122,.04) 100%);
}
.banner-body{
  position:relative;z-index:2;
  height:100%;
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  padding:0 clamp(22px,4vw,52px);
  max-width:700px;
  color:#fff;
}
.banner-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:#fff;
}
.banner-eyebrow span{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:rgba(227,160,44,.92);color:#2B1B02;
}
.banner-body h1{
  font-size:clamp(25px,3.4vw,42px);
  font-weight:700;line-height:1.25;letter-spacing:-.5px;
  color:#fff;
  text-shadow:0 2px 14px rgba(10,25,45,.42);
}
.banner-body p{
  font-size:clamp(14px,1.3vw,17px);
  line-height:1.75;
  color:rgba(255,255,255,.95);
  max-width:560px;
  text-shadow:0 1px 10px rgba(10,25,45,.35);
}

/* ====== 区块 ====== */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-tight{padding:56px 0}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  margin-bottom:28px;
}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;line-height:1.35;
  color:var(--text);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:26px;border-radius:2px;
  background:var(--amber);
}
.section-sub{
  margin-top:8px;
  font-size:15px;line-height:1.8;color:var(--text-2);
  max-width:680px;
}

/* ====== 简介两栏 ====== */
.intro-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  margin-bottom:14px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.intro-copy h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;line-height:1.35;
  margin-bottom:18px;
}
.intro-copy p{
  font-size:16px;line-height:1.9;color:var(--text-2);
  margin-bottom:16px;
}
.intro-copy p strong{color:var(--text);font-weight:600}

.point-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:50%;
  background:var(--primary-light);
  box-shadow:inset 0 0 0 2px var(--primary);
}

.intro-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  background:var(--primary-light);
  aspect-ratio:4/3;
}
.intro-figure img{width:100%;height:100%;object-fit:cover}
.intro-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:36px 20px 16px;
  font-size:12.5px;line-height:1.6;color:#fff;
  background:linear-gradient(180deg,rgba(18,36,58,0),rgba(18,36,58,.78));
}
.intro-figure .fig-tag{
  position:absolute;left:16px;top:16px;
  padding:4px 12px;border-radius:999px;
  background:rgba(227,160,44,.95);
  color:#2B1B02;font-size:12px;font-weight:700;letter-spacing:.04em;
}

/* ====== 条目卡网格 ====== */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-grid > *{min-width:0}

.entry-card{
  display:flex;gap:18px;
  padding:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#D7E4F5;
}
.entry-thumb{
  position:relative;
  flex:0 0 220px;width:220px;
  align-self:stretch;min-height:150px;
  border-radius:12px;overflow:hidden;
  background:var(--primary-light);
}
.entry-thumb img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
  transition:transform .38s ease;
}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-thumb .badge{
  position:absolute;left:10px;top:10px;z-index:2;
  background:#fff;color:var(--primary);
  box-shadow:0 3px 10px rgba(24,35,51,.16);
}
.entry-thumb .badge.badge-amber{background:var(--amber);color:#2B1B02}

.entry-body{
  flex:1 1 auto;min-width:0;
  display:flex;flex-direction:column;gap:8px;
}
.entry-body h3{
  font-size:18px;font-weight:600;line-height:1.5;
  color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-body h3 a{color:inherit}
.entry-body h3 a:hover{color:var(--primary);text-decoration:none}
.entry-body p{
  font-size:14px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:auto;padding-top:6px;
  font-size:12.5px;color:var(--text-3);
}
.entry-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}

/* ====== 深色数据面板 ====== */
.stat-panel{
  position:relative;overflow:hidden;
  padding:clamp(28px,4vw,48px);
  border-radius:var(--r-lg);
  background:var(--primary-dark);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.stat-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(227,160,44,.14);
}
.stat-panel h2{
  font-size:clamp(21px,2.4vw,28px);
  font-weight:600;line-height:1.35;color:#fff;
  position:relative;z-index:1;
}
.stat-panel .stat-desc{
  position:relative;z-index:1;
  margin-top:10px;font-size:14.5px;line-height:1.8;
  color:rgba(255,255,255,.74);max-width:640px;
}
.stat-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;margin-top:32px;
}
.stat-item{
  border-left:2px solid rgba(227,160,44,.7);
  padding-left:16px;
}
.stat-item strong{
  display:block;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;line-height:1.15;color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat-item span{
  display:block;margin-top:6px;
  font-size:13px;line-height:1.6;color:rgba(255,255,255,.72);
}

/* ====== FAQ ====== */
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 24px;
  text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:background var(--ease);
}
.faq-q:hover{background:#FBFCFE}
.faq-icon{
  width:22px;height:22px;flex:0 0 auto;
  color:var(--primary);
  transition:transform var(--ease),color var(--ease);
}
.faq-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--amber-dark)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-item.is-open .faq-a{max-height:420px}

/* ====== CTA ====== */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  padding:clamp(28px,4vw,52px);
  background:var(--primary-light);
  border:1px solid #D5E3F5;
  border-radius:var(--r-lg);
}
.cta-card h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;line-height:1.35;color:var(--text);
}
.cta-card p{
  margin-top:10px;
  font-size:15px;line-height:1.85;color:var(--text-2);
  max-width:640px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ====== 页脚 ====== */
.site-footer{
  background:var(--footer-bg);
  color:#C7D2E0;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);color:var(--amber)}
.footer-brand strong{display:block;font-size:18px;color:#fff;line-height:1.3}
.footer-brand small{display:block;font-size:12px;color:#8FA6C2;letter-spacing:.06em}
.footer-about{
  font-size:13.5px;line-height:1.9;color:#9FB2C9;
  max-width:340px;
}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:#C7D2E0;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);text-decoration:none}
.footer-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{line-height:1.7}
.footer-col a{font-size:13.5px;color:#C7D2E0}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{font-size:13.5px;color:#9FB2C9;line-height:1.8}
.footer-contact a{color:#C7D2E0}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:12.5px;line-height:1.8;color:#8FA6C2;
}
.footer-bottom a{color:#8FA6C2}
.footer-bottom a:hover{color:#fff}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}

/* ====== 响应式 ====== */
@media (max-width:1023px){
  .nav-card{flex-wrap:wrap}
  .brand{margin-right:auto}
  .nav-toggle{display:inline-flex;order:3}
  .nav-actions{order:2;gap:8px}
  .nav-actions .btn-outline{display:none}
  .nav-actions .btn{padding:9px 14px;font-size:13.5px}
  .nav-links{
    display:none;order:5;width:100%;
    margin-top:14px;padding-top:14px;
    border-top:1px solid var(--line);
    gap:10px;
  }
  .nav-links.is-open{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .nav-chip{justify-content:center;padding:10px 8px}

  .intro-grid{grid-template-columns:1fr;gap:32px}
  .intro-figure{aspect-ratio:16/9}
  .entry-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}

@media (max-width:767px){
  .page-banner{aspect-ratio:16/11}
  .banner-body{max-width:100%;gap:10px;padding:0 22px}
  .banner-body p{font-size:14px;line-height:1.7}
  .section{padding:48px 0}
  .cta-card{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

@media (max-width:639px){
  .nav-links.is-open{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-chip{font-size:12.5px}
  .page-banner{aspect-ratio:4/3}
  .banner-body h1{font-size:25px}
  .entry-card{flex-direction:column;gap:14px}
  .entry-thumb{flex:none;width:100%;min-height:0;aspect-ratio:16/9}
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
  .section-head h2::before{height:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:44px 0}
}

/* roulang page: category2 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-soft:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --ink:#12243A;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --text-2:#5B6B80;
  --text-3:#8B98A8;
  --error:#D64545;
  --disabled:#C3CCD8;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --shadow-s:0 6px 18px rgba(24,35,51,.06);
  --shadow-m:0 14px 30px rgba(24,35,51,.10);
  --shadow-nav:0 8px 24px rgba(24,35,51,.12);
  --gap:24px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
::selection{background:rgba(227,160,44,.28)}
.grid-container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.grid-container{max-width:1280px}}

/* ============ header / nav ============ */
.site-header{position:sticky;top:0;z-index:90;padding:14px 0;background:var(--bg)}
.site-header .grid-container{padding-left:16px;padding-right:16px}
.nav-card{
  position:relative;display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px 16px;box-shadow:var(--shadow-s);
  transition:box-shadow var(--ease),padding var(--ease);
}
.site-header.is-stuck .nav-card{box-shadow:var(--shadow-nav);padding:9px 16px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--primary)}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary)}
.brand-text small{font-size:11.5px;color:var(--text-2);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 10px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:12.5px;line-height:1.4;white-space:nowrap;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-chip svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.nav-chip:hover{background:var(--primary-soft);border-color:#cfe0f6;color:var(--primary);transform:translateY(-1px);text-decoration:none}
.nav-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(31,90,166,.25)}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--primary);flex:0 0 auto;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;text-align:center;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(31,90,166,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(31,90,166,.28)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#bcd3ee}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.btn-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.btn-link:hover{text-decoration:none;color:var(--primary-dark)}
.btn-link:hover svg{transform:translateX(2px)}

/* ============ breadcrumb ============ */
.breadcrumb{font-size:13px;color:var(--text-3);padding:18px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);margin:0 4px}
.breadcrumb .current{color:var(--text);font-weight:600}

/* ============ banner ============ */
.page-banner{
  position:relative;margin-top:14px;border-radius:var(--r-lg);overflow:hidden;
  background:#E8F0FB;display:flex;align-items:flex-end;
  aspect-ratio:21/9;min-height:340px;border:1px solid var(--line);
}
.page-banner .banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,66,122,.45) 0%,rgba(23,66,122,.10) 62%,rgba(23,66,122,0) 100%)}
.banner-inner{position:relative;z-index:2;padding:44px 48px;max-width:800px;color:#fff}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;margin-bottom:14px;
}
.banner-inner h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:700;line-height:1.25;letter-spacing:-.5px;
  color:#fff;margin:0 0 12px;text-shadow:0 2px 10px rgba(10,25,45,.28);
}
.banner-lead{font-size:16px;line-height:1.7;color:#F2F6FC;margin:0;max-width:620px;text-shadow:0 1px 6px rgba(10,25,45,.24)}

/* ============ section ============ */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35}
.kicker{display:block;font-size:13px;font-weight:600;color:var(--amber-dark);letter-spacing:.04em;margin-bottom:6px}
.sec-sub{font-size:15px;color:var(--text-2);margin:8px 0 0;max-width:640px}

/* ============ timeline ============ */
.timeline{display:flex;flex-direction:column;gap:10px}
.ep-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:start;
  padding:22px 24px;border-radius:var(--r-card);border:1px solid transparent;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.ep-item:nth-child(odd){background:var(--card);border-color:var(--line);box-shadow:var(--shadow-s)}
.ep-item:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.ep-num{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.ep-item:nth-child(odd) .ep-num{background:var(--primary);color:#fff}
.ep-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:0 0 6px}
.ep-body p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.ep-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;line-height:1.6}
.tag-amber{background:#FCF2DF;color:var(--amber-dark)}
.tag-teal{background:#E6F4F1;color:var(--teal)}
.ep-len{font-size:12.5px;color:var(--text-3);white-space:nowrap;padding-top:6px}

/* ============ figure ============ */
.feature-figure{margin:28px 0 0;border-radius:var(--r-card);overflow:hidden;background:#E8F0FB;border:1px solid var(--line)}
.feature-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-figure figcaption{font-size:13px;color:var(--text-3);padding:12px 18px;background:#fff;border-top:1px solid var(--line)}

/* ============ dimension cards ============ */
.dim-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--shadow-s);
  transition:box-shadow var(--ease),transform var(--ease);
}
.dim-card:hover{box-shadow:var(--shadow-m);transform:translateY(-4px)}
.dim-icon{
  width:44px;height:44px;border-radius:13px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;margin-bottom:16px;
}
.dim-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.dim-card h3{font-size:18px;font-weight:600;margin:0 0 8px}
.dim-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.num-badge{font-size:12.5px;font-weight:700;color:var(--amber-dark);letter-spacing:.08em;display:block;margin-bottom:6px}

/* ============ dark panel ============ */
.dark-panel{
  position:relative;overflow:hidden;background:var(--ink);color:#E7EEF8;
  border-radius:var(--r-lg);padding:48px;
}
.dark-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(227,160,44,.16);pointer-events:none;
}
.dark-panel h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;margin:0 0 10px}
.dark-panel .kicker{color:var(--amber)}
.dark-sub{font-size:15px;color:#A9BACF;max-width:640px;margin:0 0 28px}
.dark-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dark-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:14px;padding:20px;transition:background var(--ease),transform var(--ease);
}
.dark-item:hover{background:rgba(255,255,255,.10);transform:translateY(-3px)}
.dark-item h3{font-size:16px;font-weight:600;color:#fff;margin:0 0 8px}
.dark-item p{font-size:14px;line-height:1.8;color:#B9C8DA;margin:0}
.dark-time{display:inline-block;font-size:12.5px;color:var(--amber);font-weight:600;margin-bottom:8px;letter-spacing:.02em}
.dark-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}

/* ============ faq ============ */
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-s)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);text-align:left;
  transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--primary);background:#FBFCFE}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--ease),background var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--amber-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 24px 22px;margin:0;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ cta ============ */
.cta-card{
  background:var(--primary-soft);border:1px solid #D7E5F8;border-radius:var(--r-lg);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;line-height:1.35;margin:0 0 10px}
.cta-card p{font-size:15px;color:var(--text-2);margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#C7D2E0;padding:64px 0 0;margin-top:84px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);color:#fff}
.footer-brand strong{display:block;font-size:17px;font-weight:700;color:#fff;line-height:1.2}
.footer-brand small{display:block;font-size:11.5px;color:#9FB0C6;letter-spacing:.04em}
.footer-about{font-size:13.5px;line-height:1.85;color:#9FB0C6;margin:16px 0 18px;max-width:330px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:#C7D2E0;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);text-decoration:none}
.footer-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;line-height:1.7;color:#9FB0C6}
.footer-col a{color:#C7D2E0;font-size:13.5px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8B9BB2;
}
.footer-bottom a{color:#8B9BB2;margin-right:16px}
.footer-bottom a:hover{color:#fff}
.footer-bottom .copy{line-height:1.7}

/* ============ responsive ============ */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;display:none;
    grid-template-columns:1fr 1fr;gap:10px;padding:14px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-nav);
  }
  .nav-links.is-open{display:grid}
  .nav-chip{justify-content:flex-start;padding:10px 12px;font-size:13px}
  .section{padding:60px 0}
  .dark-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .page-banner{min-height:300px;aspect-ratio:auto}
  .banner-inner{padding:32px}
}
@media (max-width:767px){
  .ep-item{grid-template-columns:44px 1fr;padding:18px}
  .ep-len{grid-column:2;padding-top:0;justify-self:start}
  .ep-num{width:38px;height:38px;border-radius:12px;font-size:13px}
  .dark-panel,.cta-card{padding:28px}
  .cta-card{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}
@media (max-width:639px){
  .section{padding:44px 0}
  .brand-text strong{font-size:16px}
  .brand-text small{display:none}
  .nav-actions .btn span.long{display:none}
  .banner-inner{padding:24px 20px}
  .banner-inner h1{font-size:26px}
  .banner-lead{font-size:14.5px}
  .sec-head{margin-bottom:20px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px;margin-top:60px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-light:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --muted:#5B6B80;
  --weak:#8B98A8;
  --error:#D64545;
  --disabled:#C3CCD8;
  --footer-bg:#12243A;
  --r-card:16px;
  --r-big:24px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 6px 18px rgba(24,35,51,.06);
  --shadow-hover:0 14px 30px rgba(24,35,51,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-light);color:var(--primary-dark)}

/* 覆盖 Foundation 默认味道 */
.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.grid-container{max-width:1280px}}
body,button,input,select,textarea{font-family:var(--font)}
h1,h2,h3,h4{font-family:var(--font);color:var(--text);letter-spacing:0}

/* 通用 */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-tint{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--text)}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--amber)}
.section-head p{font-size:16px;color:var(--muted);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary);white-space:nowrap}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s ease}
.link-more:hover{text-decoration:none;color:var(--primary-dark)}
.link-more:hover svg{transform:translateX(3px)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;background:transparent;color:var(--primary);cursor:pointer;transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .2s ease,border-color .25s ease;text-decoration:none}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,166,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(31,90,166,.28)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BFD3EC}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.02em;background:var(--primary-light);color:var(--primary-dark);white-space:nowrap}
.badge-amber{background:#FBF0DA;color:var(--amber-dark)}
.badge-teal{background:#E2F1EE;color:var(--teal)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* 页头导航 */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0 0;background:linear-gradient(180deg,rgba(247,249,252,.96) 0%,rgba(247,249,252,.86) 70%,rgba(247,249,252,0) 100%)}
.nav-card{position:relative;display:flex;align-items:center;gap:18px;padding:12px 18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);transition:box-shadow .25s ease,padding .25s ease}
.site-header.is-stuck .nav-card{box-shadow:0 8px 24px rgba(24,35,51,.12);padding:9px 18px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:.02em}
.brand-text small{font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;font-weight:500;line-height:1.4;transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.nav-chip svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.nav-chip:hover{background:var(--primary-light);color:var(--primary-dark);border-color:#C6D9F0;transform:translateY(-2px);text-decoration:none;box-shadow:0 6px 14px rgba(31,90,166,.12)}
.nav-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(31,90,166,.28)}
.nav-chip.is-active:hover{background:var(--primary-dark);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(18,36,58,.42);z-index:70}
.nav-scrim[hidden]{display:none}

/* 面包屑 */
.crumb{padding:22px 0 0;font-size:13px;color:var(--weak)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:var(--weak);font-size:13px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--text);font-weight:700}

/* 顶部横幅 */
.page-hero{padding:18px 0 0}
.page-banner{position:relative;overflow:hidden;border-radius:var(--r-big);min-height:clamp(280px,34vw,400px);background:var(--primary-dark);display:flex;align-items:flex-end;box-shadow:var(--shadow)}
.page-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(23,66,122,.88) 0%,rgba(23,66,122,.55) 52%,rgba(23,66,122,.12) 100%)}
.banner-inner{position:relative;z-index:2;width:100%;padding:clamp(24px,4vw,52px);color:#fff}
.banner-inner .badge{background:rgba(227,160,44,.94);color:#3B2606;margin-bottom:16px}
.banner-inner h1{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.25;letter-spacing:-.5px;color:#fff;max-width:820px}
.banner-inner p{margin-top:14px;font-size:clamp(15px,1.6vw,18px);line-height:1.7;color:rgba(255,255,255,.88);max-width:680px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-meta span+span::before{content:"";width:1px;height:12px;background:rgba(255,255,255,.35);margin-right:14px}

/* 人物卡 */
.person-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.person-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.person-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFDDF0}
.person-photo{position:relative;aspect-ratio:1/1;background:var(--primary-light);overflow:hidden}
.person-photo img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.person-card:hover .person-photo img{transform:scale(1.03)}
.person-photo .badge{position:absolute;left:12px;top:12px;box-shadow:0 4px 12px rgba(24,35,51,.14)}
.person-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.person-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--text)}
.person-tag{font-size:13px;font-weight:600;color:var(--amber-dark);letter-spacing:.02em}
.person-body p{font-size:14px;line-height:1.8;color:var(--muted)}
.person-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--weak);display:flex;justify-content:space-between;gap:10px}

/* 图文交错块 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.duo+.duo{margin-top:56px}
.duo-media{position:relative;border-radius:var(--r-big);overflow:hidden;aspect-ratio:4/3;background:var(--primary-light);box-shadow:var(--shadow)}
.duo-media img{width:100%;height:100%;object-fit:cover}
.duo-text h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;line-height:1.45;margin-bottom:14px;color:var(--text)}
.duo-text p{font-size:16px;line-height:1.85;color:var(--muted);margin-bottom:14px}
.duo-list{display:grid;gap:10px;margin-top:6px}
.duo-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--text)}
.duo-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:.62em;border-radius:50%;background:var(--amber)}

/* 关系速查 */
.rel-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden}
.rel-row{display:grid;grid-template-columns:230px minmax(0,1fr) auto;gap:20px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.rel-row:last-child{border-bottom:0}
.rel-row:nth-child(odd){background:#FBFCFE}
.rel-pair{font-size:15px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}
.rel-pair svg{width:16px;height:16px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.rel-desc{font-size:14px;line-height:1.75;color:var(--muted)}

/* 数据条 */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:32px}
.stat-item{background:var(--primary-light);border-radius:var(--r-card);padding:22px 20px;text-align:center}
.stat-item strong{display:block;font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.2;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* CTA */
.cta-card{background:linear-gradient(120deg,var(--primary-light) 0%,#F4F8FE 60%,#FDF6E8 100%);border:1px solid #D7E4F5;border-radius:var(--r-big);padding:clamp(28px,4vw,52px);display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--primary-dark);max-width:640px}
.cta-card p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--muted);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--footer-bg);color:#C7D2E0;padding:64px 0 28px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand strong{display:block;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-brand small{display:block;font-size:12px;color:#9FB2C7;letter-spacing:.04em}
.footer-about{font-size:14px;line-height:1.85;color:#9FB2C7;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);color:#C7D2E0;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.footer-social a svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);text-decoration:none}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#C7D2E0}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;line-height:1.8;color:#9FB2C7}
.footer-contact li+li{margin-top:10px}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#8FA3BA}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-bottom a{color:#8FA3BA}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1023px){
  .site-header{padding-top:12px}
  .nav-card{flex-wrap:wrap;gap:12px}
  .nav-links{display:none}
  .nav-links.is-open{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:absolute;left:0;right:0;top:calc(100% + 10px);padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 18px 40px rgba(24,35,51,.16);z-index:75}
  .nav-links.is-open .nav-chip{padding:10px 12px;font-size:13px;justify-content:flex-start}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-ghost{display:none}
  .person-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .duo{grid-template-columns:1fr;gap:26px}
  .duo+.duo{margin-top:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .rel-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .rel-row .badge{justify-self:start}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .banner-meta span+span::before{display:none}
  .banner-meta{gap:6px 18px}
}
@media (max-width:639px){
  .section{padding:44px 0}
  .person-grid{grid-template-columns:1fr}
  .nav-actions .btn-sm{padding:8px 14px;font-size:13px}
  .brand-text strong{font-size:16px}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .banner-inner h1{font-size:30px}
  .banner-inner p{font-size:15px}
  .cta-card{padding:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .page-banner{min-height:0}
  .banner-inner{padding:22px 18px 26px}
  .nav-links.is-open{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-soft:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --ink:#182333;
  --ink-2:#5B6B80;
  --ink-3:#8B98A8;
  --danger:#D64545;
  --disabled:#C3CCD8;
  --radius:16px;
  --radius-lg:24px;
  --btn-radius:10px;
  --shadow:0 6px 18px rgba(24,35,51,.06);
  --shadow-hover:0 14px 30px rgba(24,35,51,.10);
  --container:1200px;
  --section-y:80px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
p{margin:0 0 1.1em;font-size:16px;line-height:1.85;color:var(--ink-2);}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.4em;color:var(--ink-2);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:0;}
h1{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;}
strong{font-weight:600;}
svg{vertical-align:middle;}

button{
  font-family:inherit;
  border:0;
  background:none;
  cursor:pointer;
}

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
  border-radius:6px;
}

.grid-container{
  max-width:var(--container);
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0;
  background:rgba(247,249,252,.94);
  backdrop-filter:blur(6px);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{padding:8px 0;}
.nav-card{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px 16px;
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-stuck .nav-card{
  box-shadow:0 8px 24px rgba(24,35,51,.10);
  padding:9px 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--primary);
  font-weight:700;
  flex-shrink:0;
}
.brand:hover{text-decoration:none;color:var(--primary-dark);}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--primary-soft);
  color:var(--primary);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary);}
.brand-text small{font-size:12px;color:var(--ink-3);font-weight:400;letter-spacing:.04em;}

.nav-toggle{
  margin-left:auto;
  width:42px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:4px;
  background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{background:var(--primary-soft);border-color:#CFDDF1;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-links{
  display:none;
  width:100%;
  order:4;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
  padding-top:6px;
  border-top:1px solid var(--line);
  margin-top:6px;
}
.nav-card.nav-open .nav-links{display:grid;}
.nav-chip{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:13px;
  line-height:1.3;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-chip svg{
  width:18px;height:18px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
  flex-shrink:0;
}
.nav-chip:hover{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:#CFDDF1;
  text-decoration:none;
  transform:translateY(-2px);
}
.nav-chip.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 6px 14px rgba(31,90,166,.24);
}
.nav-chip.active:hover{background:var(--primary-dark);color:#fff;}

.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-actions .btn-ghost{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--btn-radius);
  font-size:15px;
  font-weight:600;
  line-height:1.3;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(31,90,166,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(23,66,122,.26);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#C9D9EF;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#9FBEE6;}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  background:none;
  padding:0;
}
.btn-link .arrow{transition:transform .2s ease;display:inline-block;}
.btn-link:hover{color:var(--primary-dark);text-decoration:none;}
.btn-link:hover .arrow{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--ink-3);
  padding:18px 0 14px;
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#C3CCD8;}
.crumbs .now{color:var(--ink);font-weight:600;}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--primary-soft);
  aspect-ratio:21/9;
  min-height:230px;
  box-shadow:var(--shadow);
}
.page-banner img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.page-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(23,66,122,.82) 0%,rgba(23,66,122,.45) 52%,rgba(23,66,122,0) 100%);
}
.banner-inner{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:12px;
  padding:34px 36px;
  max-width:620px;
}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  background:var(--amber);
  color:#3A2A05;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  padding:5px 12px;
  border-radius:999px;
}
.banner-inner h1{color:#fff;text-shadow:0 2px 12px rgba(9,26,48,.35);}
.banner-sub{
  color:rgba(255,255,255,.92);
  font-size:16px;
  line-height:1.7;
  margin:0;
  text-shadow:0 1px 8px rgba(9,26,48,.3);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-y) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:28px;
  border-bottom:1px solid var(--line);
  padding-bottom:16px;
}
.section-head h2{
  position:relative;
  padding-left:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:24px;
  border-radius:2px;
  background:var(--amber);
}
.section-lead{font-size:15px;color:var(--ink-2);margin:0;max-width:640px;}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  margin-top:24px;
}
.stat-item{
  background:var(--card);
  padding:20px 18px;
  text-align:center;
}
.stat-num{
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-num em{font-style:normal;font-size:14px;color:var(--ink-3);margin-left:3px;font-weight:600;}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 图文交错 ---------- */
.feature{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  margin-bottom:32px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease;
}
.feature:hover{box-shadow:var(--shadow-hover);}
.feature-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--primary-soft);
  aspect-ratio:16/10;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.feature:hover .feature-media img{transform:scale(1.03);}
.feature-media .media-badge{
  position:absolute;
  left:12px;top:12px;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:700;
  padding:4px 10px;
  border-radius:999px;
  letter-spacing:.02em;
}
.feature-body{padding:4px 4px 8px;}
.feature-body h3{
  font-size:22px;
  line-height:1.4;
  margin-bottom:10px;
}
.feature-body p{font-size:15.5px;color:var(--ink-2);}
.feature-body p:last-of-type{margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12.5px;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
  padding:4px 11px;
  line-height:1.5;
}
.tag.teal{color:var(--teal);background:rgba(44,140,126,.10);}
.tag.amber{color:var(--amber-dark);background:rgba(227,160,44,.14);}
.caption{
  font-size:13px;
  color:var(--ink-3);
  margin:0;
  padding-top:2px;
}

/* ---------- 拍摄流程 ---------- */
.flow-panel{
  background:var(--primary-dark);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  color:#fff;
}
.flow-head{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.flow-head h2{
  color:#fff;
  font-size:clamp(20px,2.4vw,26px);
}
.flow-head .pill{
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(227,160,44,.18);
  color:#F3C973;
  font-weight:700;
  letter-spacing:.04em;
}
.flow-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.flow-step{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:18px 18px 16px;
  transition:background .2s ease,transform .2s ease;
}
.flow-step:hover{background:rgba(255,255,255,.10);transform:translateY(-3px);}
.flow-step .step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:50%;
  background:var(--amber);
  color:#2A1D02;
  font-weight:700;
  font-size:14px;
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{color:#fff;font-size:17px;margin-bottom:6px;}
.flow-step p{color:rgba(255,255,255,.76);font-size:14px;margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--primary-soft);color:var(--primary-dark);}
.faq-plus{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
  transition:transform .2s ease;
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-plus::before{left:50%;top:2px;width:2px;height:14px;transform:translateX(-50%);}
.faq-plus::after{top:50%;left:2px;height:2px;width:14px;transform:translateY(-50%);}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-item[open] summary{background:var(--primary-soft);color:var(--primary-dark);}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
  animation:fadeIn .2s ease;
}
.faq-answer p{margin:0;font-size:15px;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--primary-soft);
  border:1px solid #D5E3F6;
  border-radius:var(--radius-lg);
  padding:36px 28px;
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  align-items:center;
  margin-top:var(--section-y);
}
.cta-card h2{font-size:clamp(21px,2.4vw,27px);margin-bottom:8px;}
.cta-card p{margin:0;font-size:15.5px;color:var(--ink-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-y);
  background:#12243A;
  color:#C7D2E0;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);color:#fff;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:700;line-height:1.3;}
.footer-brand small{display:block;color:#8FA4BD;font-size:12px;letter-spacing:.04em;}
.footer-about{color:#9FB1C7;font-size:14px;line-height:1.8;margin:0 0 16px;max-width:340px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  color:#C7D2E0;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.footer-social svg{
  width:17px;height:17px;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.footer-col h3{
  font-size:14px;
  color:#fff;
  font-weight:600;
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:#C7D2E0;font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-col p{color:#9FB1C7;font-size:14px;margin:0 0 8px;line-height:1.75;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#8FA4BD;
}
.footer-bottom a{color:#C7D2E0;}
.footer-bottom a:hover{color:#fff;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .stats-bar{grid-template-columns:repeat(4,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature{grid-template-columns:1fr 1fr;gap:28px;padding:24px;}
  .cta-card{grid-template-columns:1.4fr 1fr;}
  .banner-inner{padding:40px 44px;}
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;}
}
@media (min-width:1024px){
  .site-header{padding:18px 0;}
  .nav-toggle{display:none;}
  .nav-links{display:flex;flex-wrap:nowrap;gap:8px;flex:1;justify-content:center;order:0;width:auto;border-top:0;padding-top:0;margin-top:0;}
  .nav-chip{padding:8px 11px;font-size:12.5px;}
  .nav-actions .btn-ghost{display:inline-flex;}
  .flow-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
  .section{padding:var(--section-y) 0 0;}
  .feature{padding:28px;}
  .feature.reverse .feature-media{order:2;}
  .feature.reverse .feature-body{order:1;}
  .feature-body h3{font-size:24px;}
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}
@media (max-width:639px){
  :root{--section-y:44px;}
  h1{font-size:30px;}
  .banner-inner{padding:22px 20px;max-width:none;}
  .page-banner{aspect-ratio:16/10;}
  .banner-sub{font-size:14.5px;}
  .nav-actions .btn{padding:8px 12px;font-size:13px;}
  .brand-text strong{font-size:16px;}
  .cta-actions .btn{width:100%;}
  .stat-num{font-size:24px;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-answer{padding:0 16px 16px;}
  .flow-panel{padding:24px 18px;}
  .cta-card{padding:26px 20px;}
}

/* roulang page: category5 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-light:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --teal:#2C8C7E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --muted:#5B6B80;
  --faint:#8B98A8;
  --dark:#12243A;
  --danger:#D64545;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 6px 18px rgba(24,35,51,.06);
  --shadow-md:0 14px 30px rgba(24,35,51,.10);
  --shadow-lg:0 20px 44px rgba(24,35,51,.14);
  --space-section:80px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.15em}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
::selection{background:rgba(227,160,44,.28)}

/* 容器 */
.grid-container{max-width:1200px;width:100%;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
@media (min-width:1440px){.grid-container{max-width:1280px}}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,166,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,90,166,.28)}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(31,90,166,.38)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-outline-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:#fff;color:var(--primary-dark)}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  background:none;border:none;padding:0;cursor:pointer;
}
.btn-link svg{width:15px;height:15px;transition:transform .25s ease}
.btn-link:hover{text-decoration:none;color:var(--primary-dark)}
.btn-link:hover svg{transform:translateX(2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--primary-light);color:var(--primary-dark);
}
.badge-amber{background:rgba(227,160,44,.16);color:var(--amber-dark)}
.badge-teal{background:rgba(44,140,126,.14);color:#1F6C60}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}

/* ============ 页头 ============ */
.site-header{position:sticky;top:0;z-index:90;padding:14px 0 0;background:linear-gradient(180deg,rgba(247,249,252,.96),rgba(247,249,252,.72))}
.nav-card{
  position:relative;display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:10px 14px;
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-stuck .nav-card{box-shadow:0 8px 24px rgba(24,35,51,.14);padding:8px 14px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{text-decoration:none;color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--primary-dark);letter-spacing:-.2px}
.brand-text small{font-size:12px;color:var(--faint);font-weight:500;margin-top:2px}

.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.nav-chip svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-chip:hover{background:var(--primary-light);border-color:rgba(31,90,166,.22);color:var(--primary-dark);transform:translateY(-1px);text-decoration:none}
.nav-chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(31,90,166,.24)}
.nav-chip.active:hover{background:var(--primary-dark);color:#fff}

.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-actions .btn{padding:10px 16px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--primary-light);border:1px solid rgba(31,90,166,.2);
  color:var(--primary-dark);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--faint);padding:18px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C3CCD8}
.crumb .current{color:var(--text);font-weight:600}

/* ============ 横幅 ============ */
.page-banner{
  position:relative;margin-top:16px;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:21/9;min-height:260px;background:var(--primary-light);
  display:flex;align-items:flex-end;
}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%}
.banner-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(23,66,122,.82) 0%,rgba(23,66,122,.55) 46%,rgba(23,66,122,.18) 100%)}
.banner-inner{position:relative;z-index:2;padding:32px;max-width:720px;color:#fff}
.banner-inner h1{
  font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.25;letter-spacing:-.5px;
  color:#fff;margin-bottom:12px;
}
.banner-inner p{font-size:17px;line-height:1.75;color:rgba(255,255,255,.9);max-width:600px}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.banner-tags span{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:12.5px;color:#fff;font-weight:600;letter-spacing:.02em;
}
.banner-tags span em{color:var(--amber);font-style:normal;font-variant-numeric:tabular-nums}

/* ============ 板块通用 ============ */
.section{padding-top:var(--space-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--text);
  position:relative;padding-left:16px;letter-spacing:-.2px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:2px;background:var(--amber);
}
.section-head .lead{font-size:15px;color:var(--muted);margin-top:8px;padding-left:16px;max-width:640px}

/* ============ 口碑数据条（深色面板） ============ */
.score-panel{
  background:var(--dark);border-radius:var(--radius-lg);padding:32px;
  display:grid;grid-template-columns:1.15fr 2.85fr;gap:32px;color:#fff;
  position:relative;overflow:hidden;
}
.score-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,160,44,.22),rgba(227,160,44,0) 68%);
}
.score-main{position:relative;z-index:2;border-right:1px solid rgba(255,255,255,.14);padding-right:28px}
.score-main .num{font-size:56px;font-weight:700;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.score-main .num small{font-size:18px;color:rgba(255,255,255,.55);font-weight:500;margin-left:4px}
.score-main .label{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px}
.score-main .stars{margin-top:12px;display:flex;gap:4px;color:var(--amber);font-size:16px;letter-spacing:2px}
.score-main .stars .off{color:rgba(255,255,255,.22)}
.score-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:center}
.score-item .k{font-size:24px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.score-item .k small{font-size:13px;font-weight:500;color:rgba(255,255,255,.6);margin-left:2px}
.score-item .d{font-size:13px;color:rgba(255,255,255,.66);margin-top:6px}
.score-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.16);margin-top:10px;overflow:hidden}
.score-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--amber),#F0BE63)}

/* ============ 评价墙 ============ */
.wall-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:24px}
.wall-head .badge{font-size:12.5px}
.review-wall{columns:2;column-gap:24px}
@media (max-width:767px){.review-wall{columns:1}}
.review-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  display:inline-block;width:100%;margin:0 0 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:22px 22px 20px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.review-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(31,90,166,.24)}
.review-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.review-stars{display:flex;gap:3px;font-size:14px;color:var(--amber);letter-spacing:1px}
.review-stars .off{color:#DCE3EC}
.review-quote{font-size:15.5px;line-height:1.85;color:var(--text);position:relative;padding-left:16px}
.review-quote::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:var(--primary-light);
}
.review-foot{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:14px;font-weight:700;
}
.avatar.amber{background:rgba(227,160,44,.18);color:var(--amber-dark)}
.avatar.teal{background:rgba(44,140,126,.16);color:#1F6C60}
.review-meta{display:flex;flex-direction:column;line-height:1.4}
.review-meta .name{font-size:14px;font-weight:600;color:var(--text)}
.review-meta .date{font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums}
.review-foot .tail{margin-left:auto;font-size:12px;color:var(--faint);white-space:nowrap}

/* ============ 高频讨论点 ============ */
.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.focus-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease;
}
.focus-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.focus-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);margin-bottom:14px;
}
.focus-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.focus-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
.focus-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.focus-card .rate{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--teal);font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary-dark)}
.faq-q .plus{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .25s ease}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:background-color .25s ease;
}
.faq-q .plus::before{left:0;top:8px;width:18px;height:2px}
.faq-q .plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA ============ */
.cta-card{
  background:var(--primary-light);border:1px solid rgba(31,90,166,.16);
  border-radius:var(--radius-lg);padding:40px;
  display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
}
.cta-card h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;line-height:1.4;color:var(--primary-dark);margin-bottom:10px}
.cta-card p{font-size:15px;color:var(--muted);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--space-section);background:var(--dark);color:#C7D2E0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:700;line-height:1.2}
.footer-brand small{display:block;color:rgba(199,210,224,.7);font-size:12px;margin-top:2px}
.footer-about{font-size:14px;line-height:1.85;color:#A9B8CC;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#C7D2E0;
  transition:background-color .25s ease,color .25s ease,transform .25s ease;
}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);text-decoration:none}
.footer-social svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#C7D2E0;font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;color:#A9B8CC;line-height:1.7}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(199,210,224,.72);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:rgba(199,210,224,.8)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--space-section:60px}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    box-shadow:var(--shadow-md);padding:12px;gap:10px;
    grid-template-columns:1fr 1fr;
  }
  .nav-links.is-open{display:grid}
  .nav-chip{justify-content:flex-start;padding:10px 12px;font-size:13px}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .banner-inner{padding:24px}
  .score-panel{grid-template-columns:1fr;gap:24px;padding:26px}
  .score-main{border-right:none;border-bottom:1px solid rgba(255,255,255,.14);padding-right:0;padding-bottom:20px}
  .score-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .focus-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--space-section:44px}
  body{font-size:15.5px}
  .site-header{padding-top:10px}
  .nav-card{padding:8px 10px;gap:10px}
  .brand-text strong{font-size:16px}
  .brand-text small{font-size:11px}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .nav-actions .btn-primary{padding:9px 14px;font-size:13px}
  .page-banner{aspect-ratio:auto;min-height:280px;border-radius:var(--radius-md)}
  .banner-inner{padding:20px}
  .banner-inner h1{font-size:30px}
  .banner-inner p{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px}
  .section-head h2{font-size:22px}
  .focus-grid{grid-template-columns:1fr}
  .review-wall{columns:1}
  .review-card{padding:18px}
  .score-grid{grid-template-columns:1fr 1fr;gap:16px}
  .score-main .num{font-size:46px}
  .cta-card{padding:26px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .review-foot .tail{display:none}
}
@media (max-width:519px){
  .score-grid{grid-template-columns:1fr}
  .score-item{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .score-item .score-bar{flex:1 1 auto;margin-top:0;max-width:140px}
  .banner-tags span{font-size:11.5px;padding:4px 10px}
  .btn{padding:11px 18px;font-size:14px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}

/* roulang page: category6 */
:root{
  --primary:#1F5AA6;
  --primary-dark:#17427A;
  --primary-light:#E8F0FB;
  --amber:#E3A02C;
  --amber-dark:#C4871C;
  --amber-light:#FBF1DC;
  --teal:#2C8C7E;
  --teal-light:#E4F3EF;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --text:#182333;
  --text-2:#5B6B80;
  --text-3:#8B98A8;
  --ink:#12243A;
  --ink-soft:#1B3350;
  --error:#D64545;
  --disabled:#C3CCD8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(24,35,51,.06);
  --sh-2:0 14px 30px rgba(24,35,51,.10);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,h5,h6,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1440px){
  .grid-container{max-width:1280px}
}
h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.5px;
}
h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;
  line-height:1.35;
}
h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
}
p{line-height:1.85}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;background:#fff;color:var(--primary);
  transition:background-color .25s ease,color .25s ease,transform .2s ease,box-shadow .25s ease,border-color .25s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,90,166,.24)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:#33240A;border-color:var(--amber)}
.btn-amber:hover{background:#F0B44A;border-color:#F0B44A;color:#33240A;transform:translateY(-1px);box-shadow:0 10px 22px rgba(227,160,44,.3)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;cursor:not-allowed}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--primary-light);color:var(--primary-dark);
  white-space:nowrap;
}
.badge-amber{background:var(--amber-light);color:var(--amber-dark)}
.badge-teal{background:var(--teal-light);color:var(--teal)}
.badge-onimg{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.45);font-weight:500}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  padding:14px 0 10px;
}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:10px 16px;
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-stuck .nav-card{
  box-shadow:0 8px 24px rgba(24,35,51,.12);
  padding:8px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
}
.brand-text strong{
  display:block;font-size:18px;font-weight:700;line-height:1.2;
  color:var(--primary);letter-spacing:-.2px;
}
.brand-text small{
  display:block;font-size:12px;line-height:1.5;color:var(--text-2);
}
.nav-links{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  min-width:0;
}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 11px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  font-size:13px;font-weight:500;color:var(--text-2);
  white-space:nowrap;text-decoration:none;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-chip svg{
  width:16px;height:16px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.nav-chip:hover{
  background:var(--primary-light);color:var(--primary-dark);
  border-color:transparent;transform:translateY(-2px);
  text-decoration:none;box-shadow:0 6px 14px rgba(31,90,166,.12);
}
.nav-chip.is-active{
  background:var(--primary);color:#fff;border-color:var(--primary);
  box-shadow:0 6px 16px rgba(31,90,166,.22);
}
.nav-chip.is-active:hover{background:var(--primary-dark);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--primary);
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--primary-light);border-color:transparent}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.nav-mobile{
  display:none;
  margin-top:10px;padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  grid-template-columns:1fr 1fr;gap:10px;
}
.nav-mobile.is-open{display:grid}
.nav-mobile .nav-chip{justify-content:flex-start;padding:12px;font-size:13px;width:100%}
.nav-mobile .nav-chip svg{width:18px;height:18px}

@media (max-width:1279px){
  .nav-chip{padding:7px 9px;font-size:12px}
  .nav-links{gap:6px}
  .nav-actions .btn-ghost{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- banner ---------- */
.banner-section{padding:16px 0 0}
.page-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  aspect-ratio:21/9;
  background:var(--primary-light);
  display:flex;align-items:flex-end;
  isolation:isolate;
}
.page-banner img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.banner-mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(23,66,122,.62) 0%,rgba(23,66,122,.42) 48%,rgba(23,66,122,0) 100%);
}
.banner-inner{
  position:relative;z-index:2;
  padding:clamp(20px,3.6vw,44px);
  max-width:780px;color:#fff;
}
.banner-inner h1{color:#fff;text-shadow:0 2px 14px rgba(10,26,48,.35);margin:14px 0 10px}
.banner-sub{
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.7;color:rgba(255,255,255,.94);
  max-width:640px;
}
.banner-badges{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- sections ---------- */
.section{padding:80px 0 0}
.section:last-of-type{padding-bottom:80px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{
  position:relative;padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:.86em;border-radius:2px;background:var(--amber);
}
.section-lead{margin-top:8px;color:var(--text-2);font-size:15px;line-height:1.75;max-width:640px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;
}
.text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.text-link:hover{text-decoration:none;color:var(--primary-dark)}
.text-link:hover svg{transform:translateX(2px)}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D7E2F1}
.step-num{
  display:grid;place-items:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--amber-light);color:var(--amber-dark);
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- view cards ---------- */
.view-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.view-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.view-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.view-media{
  position:relative;overflow:hidden;background:var(--primary-light);
  aspect-ratio:16/10;
}
.view-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.view-card:hover .view-media img{transform:scale(1.04)}
.view-media .badge{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--primary-dark);
  box-shadow:0 4px 12px rgba(24,35,51,.14);
}
.view-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.view-body h3{font-size:18px}
.view-body p{font-size:14px;line-height:1.8;color:var(--text-2);flex:1}
.view-meta{
  display:flex;flex-wrap:wrap;gap:8px 14px;
  font-size:12.5px;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:12px;
}
.view-meta span{display:inline-flex;align-items:center;gap:5px}
.view-meta i{
  width:5px;height:5px;border-radius:50%;background:var(--amber);display:inline-block;
}

/* ---------- dark panel ---------- */
.dark-panel{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:clamp(24px,4vw,48px);
  color:#D9E3EF;
}
.dark-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,160,44,.16),rgba(227,160,44,0) 68%);
  pointer-events:none;
}
.dark-panel h2{color:#fff;position:relative;z-index:1}
.dark-panel .panel-lead{
  position:relative;z-index:1;
  margin-top:10px;color:#9FB2C8;font-size:15px;line-height:1.8;max-width:620px;
}
.metric-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:28px;
}
.metric{
  background:var(--ink-soft);
  border:1px solid #24405F;
  border-radius:14px;
  padding:20px;
}
.metric strong{
  display:block;font-size:clamp(24px,3vw,32px);
  font-weight:700;color:#F0B44A;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.metric span{display:block;margin-top:6px;font-size:13px;color:#9FB2C8;line-height:1.7}
.panel-foot{
  position:relative;z-index:1;
  margin-top:28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.panel-foot p{font-size:14px;color:#9FB2C8;line-height:1.8;flex:1 1 280px}

/* ---------- trouble ---------- */
.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.trouble-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.trouble-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.trouble-icon{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);
  margin-bottom:14px;
}
.trouble-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.trouble-item h3{font-size:17px;margin-bottom:8px}
.trouble-item p{font-size:14px;line-height:1.8;color:var(--text-2)}
.trouble-item p b{color:var(--primary-dark);font-weight:600}

/* ---------- faq ---------- */
.faq{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:background-color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#FAFCFF}
.faq summary::after{
  content:"+";font-size:22px;line-height:1;font-weight:400;
  color:var(--text-3);transition:transform .22s ease,color .22s ease;
}
.faq details[open] summary{color:var(--primary-dark)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--amber-dark)}
.faq-body{
  padding:0 24px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
  animation:fadeIn .2s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- cta ---------- */
.cta-card{
  background:var(--primary-light);
  border-radius:var(--r-lg);
  padding:clamp(26px,4vw,52px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);
  align-items:center;
}
.cta-card h2{margin-bottom:12px}
.cta-card p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:460px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.form-field{flex:1 1 240px;display:flex;flex-direction:column;gap:7px}
.form-field label{font-size:13px;font-weight:600;color:var(--text-2)}
.form-field input{
  width:100%;padding:12px 14px;
  border:1px solid #CFDBEA;border-radius:var(--r-sm);
  background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field input::placeholder{color:var(--text-3)}
.form-field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,90,166,.14);
}
.form-field input.is-error{border-color:var(--error);box-shadow:0 0 0 3px rgba(214,69,69,.12)}
.form-note{margin-top:10px;font-size:13px;line-height:1.7;color:var(--text-2)}
.form-note.is-success{color:var(--teal);font-weight:600}
.form-note.is-error{color:var(--error)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:80px;
  background:var(--ink);
  color:#C7D2E0;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.08);color:#F0B44A;
}
.footer-brand strong{display:block;font-size:18px;color:#fff;line-height:1.2;font-weight:700}
.footer-brand small{display:block;font-size:12px;color:#8FA1B8;line-height:1.5}
.footer-about{font-size:14px;line-height:1.9;color:#A9B8CB;max-width:330px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.07);
  color:#C7D2E0;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{background:var(--amber);color:#33240A;transform:translateY(-2px);text-decoration:none}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{margin:0}
.footer-col li{margin-bottom:10px}
.footer-col li:last-child{margin-bottom:0}
.footer-col a{font-size:14px;color:#C7D2E0;line-height:1.7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;color:#A9B8CB;line-height:1.75}
.footer-contact li b{display:block;font-size:12.5px;color:#7F93AC;font-weight:500}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA1B8;
}
.footer-bottom a{color:#8FA1B8}
.footer-bottom a:hover{color:#fff}
.footer-bottom-links{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .view-grid{grid-template-columns:1fr}
  .trouble-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:60px 0 0}
  .site-footer{margin-top:60px;padding-top:52px}
}
@media (max-width:639px){
  body{font-size:15.5px}
  .page-banner{aspect-ratio:16/10}
  .section{padding:44px 0 0}
  .section-head{margin-bottom:22px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{margin-top:44px;padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-form{flex-direction:column;align-items:stretch}
  .cta-form .btn{width:100%}
  .faq summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .brand-text small{display:none}
}