/* roulang page: index */
:root{
  --brand:#b81d35;
  --brand-deep:#8e1428;
  --brand-light:#e63950;
  --brand-wash:#fdeef0;
  --paper:#faf8f5;
  --white:#ffffff;
  --ink:#17171a;
  --ink-2:#434348;
  --muted:#72727b;
  --line:#e4e0da;
  --dark:#141416;
  --dark-2:#1e1e22;
  --radius-card:18px;
  --radius-pill:999px;
  --shadow-card:0 6px 24px rgba(23,23,26,.06),0 2px 8px rgba(184,29,53,.04);
  --shadow-hover:0 14px 36px rgba(23,23,26,.12),0 6px 16px rgba(184,29,53,.08);
  --transition:.26s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol,li{list-style:none}
h1,h2,h3,h4{margin:0 0 .55em;font-weight:800;line-height:1.25}
p{margin:0 0 1em}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:3px solid rgba(184,29,53,.4);outline-offset:3px;border-radius:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 28px;border-radius:var(--radius-pill);font-weight:700;font-size:15px;border:0;cursor:pointer;transition:all var(--transition);letter-spacing:.2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(184,29,53,.28)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(142,20,40,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline-white:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#ffe9ec;color:var(--brand-deep)}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);text-transform:uppercase;background:var(--brand-wash);padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-title{font-size:clamp(1.9rem,3vw,2.8rem);font-weight:900;letter-spacing:-.5px;line-height:1.2;margin-bottom:14px}
.section-sub{font-size:1.05rem;color:var(--ink-2);line-height:1.8}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in-view{opacity:1;transform:none}

/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.site-logo{display:inline-flex;align-items:center;gap:10px;font-size:1.42rem;font-weight:900;color:var(--ink);letter-spacing:.2px}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-light));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;box-shadow:0 6px 14px rgba(184,29,53,.28)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:block;padding:10px 18px;border-radius:var(--radius-pill);font-weight:600;color:var(--ink-2);transition:all var(--transition);font-size:15px}
.nav-link:hover{color:var(--brand);background:var(--brand-wash)}
.nav-link.active{color:var(--brand);background:var(--brand-wash)}
.nav-link.active::after{content:'';position:absolute;left:50%;bottom:3px;width:5px;height:5px;border-radius:50%;background:var(--brand);transform:translateX(-50%)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:12px;background:var(--brand-wash)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:4px;transition:all .3s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.hero-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(1400px 600px at 80% 10%,rgba(184,29,53,.35),transparent 60%),linear-gradient(90deg,rgba(20,20,22,.97) 10%,rgba(20,20,22,.72) 100%)}
.hero-inner{position:relative;padding:110px 0 100px;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:#f7c6cd;letter-spacing:1.6px;background:rgba(184,29,53,.22);border:1px solid rgba(255,255,255,.14);padding:7px 16px;border-radius:var(--radius-pill);margin-bottom:22px}
.hero-title{font-size:clamp(2.4rem,4.8vw,4.2rem);font-weight:900;line-height:1.14;letter-spacing:-1px;margin-bottom:22px;max-width:820px}
.hero-title span{color:#ffb7c1}
.hero-lead{font-size:1.14rem;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:24px}
.hero-btn-play{display:inline-flex;align-items:center;gap:12px;padding:10px 22px 10px 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:600;font-size:15px;transition:all var(--transition);cursor:pointer}
.hero-btn-play:hover{background:rgba(184,29,53,.5);border-color:rgba(184,29,53,.7)}
.play-ico{width:34px;height:34px;border-radius:50%;background:#fff;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:13px;transition:all var(--transition)}
.hero-btn-play:hover .play-ico{transform:scale(1.1)}
.hero-meta-line{display:flex;flex-wrap:wrap;gap:20px;color:rgba(255,255,255,.62);font-size:13px}
.hero-meta-line i{margin-right:6px;color:#f2a4ae}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:14px;box-shadow:0 24px 70px rgba(0,0,0,.3);backdrop-filter:blur(8px)}
.hot-cover{position:relative;border-radius:16px;overflow:hidden}
.hot-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hot-cover-badge{position:absolute;top:12px;left:12px;padding:4px 12px;background:rgba(184,29,53,.92);color:#fff;border-radius:999px;font-size:13px;font-weight:600}
.hot-cover-time{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.68);color:#fff;font-size:12px;padding:3px 9px;border-radius:999px}
.hot-play{position:absolute;inset:0;margin:auto;width:54px;height:54px;background:rgba(184,29,53,.92);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;cursor:pointer;transition:all var(--transition)}
.hot-play:hover{transform:scale(1.12)}
.hero-card-info{padding:16px 6px 6px}
.hero-card-info h3{color:#fff;font-size:1.1rem;font-weight:700}
.hero-card-info p{color:rgba(255,255,255,.65);font-size:13px;margin:0}

/* Metrics */
.metrics-section{background:var(--white);padding:64px 0 70px}
.metric-card{position:relative;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:28px 22px;height:100%;box-shadow:var(--shadow-card);transition:all var(--transition);overflow:hidden}
.metric-card::before{content:'';position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-light));opacity:0;transition:opacity .3s}
.metric-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.metric-card:hover::before{opacity:1}
.metric-icon{position:absolute;right:20px;top:22px;width:34px;height:34px;border-radius:12px;background:var(--brand-wash);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px}
.metric-label{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.6px;margin-bottom:6px}
.metric-value{font-size:2.8rem;font-weight:900;letter-spacing:-1px;line-height:1.1;color:var(--ink)}
.metric-value small{font-size:1.1rem;font-weight:700;color:var(--muted);margin-left:3px;letter-spacing:0}
.metric-desc{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.7}

/* Service Cards */
.services-section{background:var(--paper)}
.service-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:all var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#edc0c6}
.service-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.service-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--transition)}
.service-card:hover .service-cover img{transform:scale(1.05)}
.service-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(15,15,18,.5),transparent 60%)}
.service-tag{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.95);color:var(--brand);padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700}
.serve-play{position:absolute;right:14px;bottom:14px;z-index:2;width:32px;height:32px;border-radius:50%;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.35);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px}
.service-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.service-title{font-size:1.15rem;font-weight:800;margin-bottom:8px}
.service-desc{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:18px}
.card-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-size:14px;font-weight:700;transition:gap .3s}
.card-link:hover{gap:12px}

/* Insider / Update list */
.latest-section{background:var(--white)}
.latest-list-item{border-bottom:1px solid var(--line);padding:18px 0;transition:padding .3s}
.latest-list-item:hover{padding-left:8px}
.latest-list-item a{display:flex;justify-content:space-between;gap:20px;align-items:center}
.latest-text .lt-title{font-size:16px;font-weight:700;color:var(--ink)}
.latest-list-item a:hover .lt-title{color:var(--brand)}
.latest-text p{color:var(--muted);font-size:13px;margin:4px 0 0}
.latest-arrow{color:var(--brand);font-size:18px;flex-shrink:0}
.latest-feature{background:var(--paper);border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);height:100%}
.latest-feature img{width:100%;aspect-ratio:16/9;object-fit:cover}
.latest-feature-body{padding:20px 22px}
.latest-feature-body .badge-dot{display:inline-block;background:var(--brand);color:#fff;font-size:12px;border-radius:999px;padding:3px 11px;font-weight:600;margin-bottom:8px}
.latest-feature-body h3{font-size:1.15rem;font-weight:800}
.latest-feature-body p{color:var(--ink-2);font-size:14px;margin:6px 0 14px}

/* Compare */
.compare-section{background:var(--dark);color:#fff}
.compare-section .section-sub{color:rgba(255,255,255,.7)}
.compare-title-small{color:#f3a3ae}
.compare-card{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:28px;height:100%;backdrop-filter:blur(6px)}
.compare-card h3{font-size:1.2rem;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.compare-card h3 i{color:var(--brand-light)}
.compare-card.right h3 i{color:#f6c91a}
.compare-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.85)}
.compare-item:last-child{border-bottom:0}
.compare-item .dot{flex-shrink:0;width:7px;height:7px;border-radius:50%;background:var(--brand-light);margin-top:9px}
.compare-card.right .dot{background:rgba(246,201,26,.85)}
.vs-wrap{display:flex;align-items:center;justify-content:center}
.vs-badge{width:72px;height:72px;background:var(--brand);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;color:#fff;box-shadow:0 0 0 6px rgba(184,29,53,.3),0 12px 24px rgba(0,0,0,.24);letter-spacing:1px;margin:16px}

/* FAQ */
.faq-section{background:var(--paper)}
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:22px 6px;cursor:pointer;background:transparent;border:0;color:var(--ink)}
.faq-q:hover .faq-qtext{color:var(--brand)}
.faq-qnum{flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--brand-wash);color:var(--brand);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.faq-qtext{flex:1;font-size:1.05rem;font-weight:700}
.faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:#f0ede9;display:flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:14px;transition:all .3s}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s ease}
.faq-a-inner{overflow:hidden;padding-left:52px;padding-right:20px}
.faq-a-inner p{padding-bottom:22px;color:var(--ink-2);font-size:15.5px;line-height:1.9;margin:0}

/* CTA Form */
.cta-final-section{position:relative;background:linear-gradient(120deg,#a4112a,#c82b43);color:#fff;overflow:hidden}
.cta-final-section::before{content:'';position:absolute;right:-10%;bottom:-20%;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none}
.cta-final-section::after{content:'';position:absolute;left:12%;top:-30%;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.06);pointer-events:none}
.cta-inner-title{font-size:clamp(1.8rem,3vw,2.7rem);font-weight:900;line-height:1.25;margin-bottom:14px}
.cta-inner-lead{font-size:1.05rem;color:rgba(255,255,255,.88);max-width:470px;margin-bottom:24px}
.cta-check-list{display:flex;flex-direction:column;gap:12px}
.cta-check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.92)}
.cta-check-list i{color:#ffdba5;margin-top:4px}
.form-card{position:relative;background:#fff;color:var(--ink);border-radius:24px;padding:34px;box-shadow:0 30px 60px rgba(0,0,0,.24)}
.form-title{font-size:1.35rem;font-weight:900;margin-bottom:6px}
.form-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.form-label{font-size:13px;font-weight:700;margin-bottom:6px;display:block;color:var(--ink-2)}
.form-field{width:100%;min-height:48px;border:1.5px solid #e2ded9;background:#fbfaf8;border-radius:12px;padding:11px 15px;color:var(--ink);transition:all var(--transition)}
.form-field:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(184,29,53,.1)}
textarea.form-field{min-height:100px;resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);margin-top:16px;display:flex;align-items:flex-start;gap:7px}
.form-note i{margin-top:2px}
.btn-submit{width:100%;margin-top:8px;background:var(--brand);color:#fff;border:0;border-radius:14px;min-height:52px;font-weight:800;font-size:16px;cursor:pointer;transition:all var(--transition);box-shadow:0 10px 24px rgba(184,29,53,.18)}
.btn-submit:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(142,20,40,.24)}

/* Footer */
.site-footer{background:#0f0f12;color:rgba(255,255,255,.68);padding:56px 0 0;margin-top:-2px}
.footer-top{display:grid;grid-template-columns:1.7fr .6fr;gap:48px;padding-bottom:36px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.45rem;font-weight:900;color:#fff;margin-bottom:14px}
.footer-logo .logo-mark{width:34px;height:34px;font-size:12px}
.footer-about{font-size:14px;max-width:420px;line-height:1.8}
.footer-head{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;transition:color .3s,padding-left .3s}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.46)}

@media(max-width:1024px){
  .metrics-section{padding:50px 0}
  .section{padding:70px 0}
  .vs-badge{margin:12px}
}
@media(max-width:767px){
  .nav-links{position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 18px;flex-direction:column;display:none;box-shadow:0 24px 40px rgba(0,0,0,.08)}
  .nav-links.open{display:flex}
  .nav-link{width:100%;padding:14px 14px}
  .nav-toggle{display:inline-flex}
  .hero-inner{padding:70px 0 70px}
  .hero-card{margin-top:34px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .compare-section .cell{margin-bottom:20px}
  .compare-section .cell:last-child{margin-bottom:0}
  .vs-wrap{min-height:60px}
  .footer-top{grid-template-columns:1fr;gap:28px}
}
@media(max-width:520px){
  .hero-title{font-size:2.2rem}
  .hero-actions .btn{padding:12px 20px;font-size:14px}
  .form-grid{grid-template-columns:1fr}
  .metric-value{font-size:2.3rem}
  .service-body{padding:18px}
  .cta-final-section .form-card{padding:24px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* roulang page: category1 */
/* ===== 设计系统（与首页统一） ===== */
:root{
  --brand:#b81d35;
  --brand-deep:#8e1428;
  --brand-light:#e63950;
  --brand-wash:#fdeef0;
  --paper:#faf8f5;
  --white:#ffffff;
  --ink:#17171a;
  --ink-2:#434348;
  --muted:#72727b;
  --line:#e4e0da;
  --dark:#141416;
  --dark-2:#1e1e22;
  --radius-card:18px;
  --radius-pill:999px;
  --shadow-card:0 6px 24px rgba(23,23,26,.06),0 2px 8px rgba(184,29,53,.04);
  --shadow-hover:0 14px 36px rgba(23,23,26,.12),0 6px 16px rgba(184,29,53,.08);
  --transition:.26s ease;
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;margin:0;padding:0;}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol,li{margin:0;padding:0;list-style:none}
*,*::before,*::after{box-sizing:border-box}

/* ===== 容器与栅格 ===== */
.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ===== Header（与首页统一） ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:box-shadow .3s;width:100%;}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px;width:100%;}
.site-logo{display:inline-flex;align-items:center;gap:10px;font-size:1.42rem;font-weight:900;color:var(--ink);letter-spacing:.2px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-light));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;box-shadow:0 6px 14px rgba(184,29,53,.28)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:block;padding:10px 18px;border-radius:var(--radius-pill);font-weight:600;color:var(--ink-2);transition:all var(--transition);font-size:15px}
.nav-link:hover{color:var(--brand);background:var(--brand-wash)}
.nav-link.active{color:var(--brand);background:var(--brand-wash)}
.nav-link.active::after{content:'';position:absolute;left:50%;bottom:3px;width:5px;height:5px;border-radius:50%;background:var(--brand);transform:translateX(-50%)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:12px;background:var(--brand-wash);border:0;cursor:pointer;transition:all .3s ease;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:4px;transition:all .3s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;top:78px;left:0;right:0;background:#fff;z-index:79;padding:12px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px 12px;font-size:1.05rem;font-weight:600;border-radius:12px;color:var(--ink-2)}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--brand-wash);color:var(--brand)}

/* ===== 页头区 ===== */
.page-banner{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:72px 0 56px;}
.page-banner-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;opacity:.22;}
.page-banner-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(1000px 500px at 75% 15%,rgba(184,29,53,.3),transparent 60%),linear-gradient(90deg,rgba(20,20,22,.92) 20%,rgba(20,20,22,.68) 100%);}
.page-banner-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.75);transition:all var(--transition);}
.breadcrumb a:hover{color:#ffb7c1;}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.breadcrumb .current{color:#ffb7c1;font-weight:600;}
.page-title-wrap h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:900;line-height:1.2;letter-spacing:-.5px;margin:0 0 12px;}
.page-title-wrap h1 span{color:#ffb7c1;}
.page-desc{max-width:680px;font-size:1.05rem;color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:24px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;}
.banner-meta .meta-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.78);}
.banner-meta .meta-pill i{color:#ffb7c1;}
/* 封面小卡 */
.banner-cover-card{position:relative;z-index:2;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:22px;padding:12px;backdrop-filter:blur(8px);box-shadow:0 24px 70px rgba(0,0,0,.3);}
.banner-cover-card .cover-img{position:relative;border-radius:14px;overflow:hidden;}
.banner-cover-card .cover-img img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.banner-cover-card .cover-tag{position:absolute;top:10px;left:10px;background:rgba(184,29,53,.92);color:#fff;padding:4px 14px;border-radius:999px;font-size:12px;font-weight:600;}
.banner-cover-card .cover-info{padding:14px 6px 4px;}
.banner-cover-card .cover-info h3{margin:0;font-size:1.05rem;font-weight:700;color:#fff;}
.banner-cover-card .cover-info p{margin:6px 0 0;font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;}

/* ===== 分类筛选行 ===== */
.category-filter{background:#fff;border-bottom:1px solid var(--line);padding:18px 0;}
.filter-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 2px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
.filter-scroll::-webkit-scrollbar{display:none;}
.filter-chip{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;padding:9px 22px;border-radius:var(--radius-pill);background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:all var(--transition);}
.filter-chip i{font-size:13px;color:var(--muted);transition:all var(--transition);}
.filter-chip:hover{background:var(--brand-wash);color:var(--brand);border-color:#f0c0c8;}
.filter-chip.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 18px rgba(184,29,53,.25);}
.filter-chip.active i{color:#fff;}
.filter-info{display:flex;align-items:center;justify-content:space-between;margin-top:6px;}
.filter-info .result-count{font-size:13px;color:var(--muted);}

/* ===== 内容主体区 ===== */
.list-section{padding:72px 0 80px;}
.section-title-sm{font-size:1.5rem;font-weight:800;color:var(--ink);letter-spacing:-.3px;margin:0 0 6px;}
.section-sub-sm{font-size:14px;color:var(--muted);margin:0 0 30px;}
.media-card{display:flex;gap:24px;background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:16px;transition:all var(--transition);border:1px solid rgba(255,255,255,.4);align-items:stretch;margin-bottom:24px;}
.media-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(184,29,53,.14);}
.media-thumb{position:relative;flex-shrink:0;width:220px;border-radius:13px;overflow:hidden;}
.media-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .45s ease;}
.media-card:hover .media-thumb img{transform:scale(1.04);}
.play-btn-mini{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(184,29,53,.9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;transition:all var(--transition);box-shadow:0 8px 22px rgba(0,0,0,.25);opacity:0;border:2px solid rgba(255,255,255,.4);}
.media-card:hover .play-btn-mini{opacity:1;transform:translate(-50%,-50%) scale(1.06);}
.duration-badge{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;padding:2px 10px;border-radius:999px;font-weight:500;}
.topic-badge{position:absolute;top:10px;left:10px;background:rgba(20,20,22,.72);color:#fff;font-size:12px;padding:3px 12px;border-radius:999px;backdrop-filter:blur(4px);font-weight:600;}
.media-body{flex:1;display:flex;flex-direction:column;padding:8px 4px;}
.media-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;}
.media-tags span{display:inline-flex;align-items:center;padding:4px 14px;font-size:12px;font-weight:600;background:var(--brand-wash);color:var(--brand);border-radius:var(--radius-pill);}
.media-tags span.alt{background:#f2f1ee;color:var(--muted);}
.media-title{font-size:1.24rem;font-weight:800;line-height:1.45;color:var(--ink);margin:0 0 8px;transition:color var(--transition);}
a.media-title:hover{color:var(--brand);}
.media-desc{color:var(--muted);font-size:14px;line-height:1.75;margin:0 0 14px;flex:1;}
.media-stats{display:flex;align-items:center;gap:18px;padding-top:12px;border-top:1px solid #f2efea;font-size:13px;color:var(--muted);}
.media-stats span{display:inline-flex;align-items:center;gap:5px;}
.media-stats i{color:#e0a0a8;}
.media-stats .stat-hot i{color:var(--brand);}

/* 大推荐卡片 */
.feature-media{display:flex;flex-direction:row;background:var(--dark);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:24px;color:#fff;}
.feature-media .feature-body{flex:1;padding:38px 34px;display:flex;flex-direction:column;justify-content:center;}
.feature-media .feature-tag{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;width:fit-content;margin-bottom:16px;}
.feature-media h3{margin:0 0 12px;font-size:1.6rem;font-weight:800;line-height:1.4;}
.feature-media p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin:0 0 20px;}
.feature-media .feature-stats{display:flex;gap:24px;margin-top:auto;font-size:13px;color:rgba(255,255,255,.5);}
.feature-media .feature-stats span{display:inline-flex;align-items:center;gap:6px;}
.feature-media .feature-btn{align-self:flex-start;}
.feature-media .feature-img{position:relative;flex-shrink:0;width:38%;min-height:330px;}
.feature-media .feature-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-media .feature-img::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,20,22,.6),transparent 80%);pointer-events:none;}
.feature-media .feature-img .play-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(184,29,53,.95);border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:2;font-size:20px;color:#fff;border:2px solid rgba(255,255,255,.35);box-shadow:0 0 0 12px rgba(184,29,53,.22);}

/* ===== 推荐板块 ===== */
.suggest-section{background:var(--white);padding:76px 0 70px;border-top:1px solid var(--line);}
.suggest-card{border-radius:var(--radius-card);overflow:hidden;background:var(--paper);box-shadow:var(--shadow-card);transition:all var(--transition);height:100%;border:1px solid rgba(255,255,255,.4);}
.suggest-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(184,29,53,.14);}
.suggest-card .suggest-img{position:relative;overflow:hidden;}
.suggest-card .suggest-img img{aspect-ratio:3/2;object-fit:cover;transition:all .45s ease;}
.suggest-card:hover .suggest-img img{transform:scale(1.05);}
.suggest-card .suggest-tag{position:absolute;top:10px;left:10px;background:rgba(184,29,53,.92);color:#fff;padding:3px 13px;font-size:12px;border-radius:999px;font-weight:600;}
.suggest-card .suggest-info{padding:20px 20px 24px;}
.suggest-card .suggest-info h4{margin:0 0 8px;font-size:1.05rem;font-weight:700;line-height:1.5;}
.suggest-card .suggest-info p{font-size:13px;color:var(--muted);margin:0 0 14px;line-height:1.7;}

/* ===== 推荐路径 ===== */
.path-section{background:var(--dark);color:#fff;padding:80px 0;position:relative;border:0;}
.path-section .section-title{color:#fff;}
.path-section .section-sub{color:rgba(255,255,255,.7);}
.path-card{height:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-card);padding:30px 26px;transition:all var(--transition);}
.path-card:hover{background:rgba(255,255,255,.09);border-color:var(--brand);transform:translateY(-5px);}
.path-num{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;font-weight:800;margin-bottom:20px;box-shadow:0 8px 18px rgba(184,29,53,.3);}
.path-card h4{margin:0 0 10px;font-size:1.15rem;font-weight:700;color:#fff;}
.path-card h4 span{color:#ffb7c1;}
.path-card p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.path-num.success{background:#fff;color:var(--brand);}
.path-num.line-light{background:transparent;border:1.5px solid var(--brand);color:#ffb7c1;}

/* ===== FAQ ===== */
.faq-section{background:var(--paper);padding:84px 0 80px;}
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s;}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:26px 8px;cursor:pointer;gap:30px;transition:background .25s ease;border:none;background:transparent;width:100%;text-align:left;}
.faq-q:hover{background:rgba(184,29,53,.03);}
.faq-q-title{display:flex;gap:18px;align-items:center;}
.faq-q-title .q-num{width:34px;height:34px;border-radius:50%;background:var(--brand-wash);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;transition:background .25s;}
.faq-q-title .q-text{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.faq-icon{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);flex-shrink:0;}
.faq-icon i{transition:all .3s ease;}
.faq-item.open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-item.open .faq-icon i{transform:rotate(180deg)}
.faq-a{display:none;padding-bottom:26px;margin-left:52px;}
.faq-a p{margin:0;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);padding:78px 0;color:#fff;position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;top:-20px;right:-20px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.05);}
.cta-section::after{content:'';position:absolute;bottom:-60px;left:-40px;width:300px;height:300px;border-radius:50%;background:rgba(0,0,0,.04);}
.cta-title{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:900;line-height:1.3;color:#fff;letter-spacing:-.4px;margin:0 0 12px;position:relative;z-index:2;}
.cta-title span{background:rgba(255,255,255,.2);padding:0 8px;border-radius:8px;}
.cta-desc{font-size:1.05rem;color:rgba(255,255,255,.85);max-width:640px;margin-bottom:26px;position:relative;z-index:2;}
.cta-section .cta-btn-wrap{position:relative;z-index:2;display:flex;align-items:center;}
.btn-soft-light{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.4);display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 30px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;cursor:pointer;transition:all var(--transition);}
a.btn-soft-light:hover,a.btn-soft-light:focus{background:rgba(255,255,255,.24);border-color:#fff;transform:translateY(-2px);outline:none;color:#fff;}
.btn-soft-light:focus-visible{outline:3px solid rgba(255,255,255,.4);outline-offset:3px;}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 32px;border:0;}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:50px;padding-bottom:38px;}
.footer-top>div:first-child{max-width:380px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:900;color:#fff;color:var(--brand);margin-bottom:14px;}
.footer-logo .logo-mark{box-shadow:0 6px 14px rgba(184,29,53,.3);background:#fff;color:var(--brand);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);margin:0;}
.footer-head{color:#fff;font-size:15px;font-weight:600;margin-bottom:12px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.55);font-size:14px;transition:all .2s;}
.footer-links a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.4);}
.footer-bottom span:nth-child(1){color:rgba(255,255,255,.48);}

/* ===== 按钮整理 ===== */
.btn-focus,.btn:focus-visible,a:focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:var(--radius-pill);}
.btn-brand{background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 30px;border-radius:var(--radius-pill);font-weight:700;font-size:15px;border:0;cursor:pointer;transition:all var(--transition);}
.btn-brand i{font-size:14px;transition:transform .25s ease;}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(142,20,40,.3);outline:none;color:#fff;}
.btn-brand:hover i{transform:translateX(4px);color:#fff;}
.btn-brand-sm{min-height:46px;padding:10px 26px;font-size:13px;font-weight:600;}

/* 排名榜 */
.rank-box{background:#fff;border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card);padding:22px;height:100%;}
.rank-title{display:flex;align-items:center;gap:12px;font-size:1.05rem;font-weight:700;margin-bottom:18px;}
.rank-title i{color:var(--brand);}
.rank-items{border-top:1px solid #f1efe9;}
.rank-item{display:flex;justify-content:flex-start;align-items:center;padding:12px 4px;border-bottom:1px solid #f3f0ea;transition:background .2s ease;gap:14px;}
.rank-item:hover{background:var(--brand-wash);border-radius:10px;padding-left:2px;}
.rank-item:hover .rank-name{color:var(--brand);}
.rank-num{font-size:16px;font-weight:900;font-style:italic;color:#c8c5be;margin-right:4px;}
.rank-item:nth-child(-n+3) .rank-num{color:var(--brand);}
.rank-name{flex:1;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .2s ease;}
.rank-info{font-size:13px;color:var(--muted);white-space:nowrap;}

/* 热门标签 */
.hot-tags{background:#fff;border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-card);padding:22px;height:100%;margin-bottom:30px;}
.hot-tags h4{display:flex;align-items:center;gap:12px;font-size:1.05rem;font-weight:700;margin-bottom:18px;}
.hot-tags h4 i{color:var(--brand);}
.tags-cloud{display:flex;flex-wrap:wrap;gap:6px;}
.tag-cloud{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--paper);border-radius:10px;font-size:13px;font-weight:500;color:var(--ink-2);transition:all .2s ease;border:1px solid transparent;}
.tag-cloud:hover{background:var(--brand-wash);color:var(--brand);border-color:rgba(184,29,53,.2);}

/* 小工具 */
.btn-suggestion{display:inline-flex;align-items:center;gap:8px;background:var(--brand-wash);color:var(--brand);border:none;border-radius:14px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .3s ease;}
.btn-suggestion i{transition:transform .3s ease;}
.btn-suggestion:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-suggestion:hover i{transform:translateX(4px);}

/* ===== Responsive 响应式 ===== */
@media only screen and (max-width: 740px){
  .content-main{order:1;width:100%!important;flex:0 0 100%!important;max-width:100%;}
  .sub-area{order:2;width:100%!important;flex:0 0 100%!important;max-width:100%;}
  .feature-media-img{display:none;}
  .feature-media-title{font-size:1.1rem;}
  .media-thumb{width:110px;}
  .media-card{padding:10px;gap:14px;}
  .media-body{padding-top:0;}
  .media-table3{width:100%!important;display:block!important;flex:0 0 100%;}
  .topic-table4{max-width:100%;}
}
@media only screen and (min-width: 741px) and (max-width: 1023px){
  .features-tile{width:48%;}
}
@media only screen and (max-width: 640px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;padding:0;border:0;background:var(--brand-wash);}
  .nav-link:focus{outline:none;}
  .site-logo{font-size:1.2rem;}
  .nav-inner{height:68px;}
  .section-main{padding:34px 0;}
  .banner-inner{padding:46px 0 42px;}
  .breadcrumb{flex-wrap:nowrap;overflow-x:single;white-space:nowrap;padding-bottom:2px;font-size:12px;}
  .banner-title h1{font-size:clamp(2.2rem,3rem,3.4rem);}
  .section-media{padding:36px 0 32px;}
  .media-column-main .media-card{flex-direction:row;align-items:center;}
  .media-thumb{width:100px;flex-shrink:0;aspect-ratio:1/1;}
  .media-card{position:relative;align-items:center;}
  .media-stats{	font-size:12px;gap:8px;}
  .d-none{display:none;}
}
@media only screen and (max-width:640px){
  .grid-container{padding:0 22px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .page-banner{padding:50px 0; }
  .page-desc { font-size:.98rem; }
  .banner-display { display:none; }
  .feature-card-img { position:relative; width:100%; }
  .feature-card-img img{width:100%;}
  .filter-centered{display:none;}
  .suggest-card, .tab-card{padding:20px 18px;}
  .list-inline-suggestion{overflow-x:auto;width:100%;white-space:nowrap;padding-bottom:20px;}
  .recc-item{width:220px!important;display:inline-block !important;flex:none !important;}
  .feature-card{display:flex;flex-direction:column;}
  .faq-arrow{left:0;}
  .faq-q{padding-left:0;}
  .btn-brand, .btn-soft-light{width:100%;}
  .cta-buttons{flex-direction:column; width:100%; display:flex; align-items:flex-start; gap:10px; flex-wrap:wrap;}
}
@media only screen and (max-width: 500px){
  .feature-card-title{font-size:15px;}
  .feature-desc{display:none;}
  .topic-down{display:block;}
}
/* 通用响应辅助*/
.x-container{display:flex;align-items:baseline;gap:15px;}
.text-brand{color:var(--brand);}
.sub-header2{border-bottom:1px solid #f0eee9;}
.mb-0{margin-bottom:0;}
.font13{font-size:13px;}
.muted{color:var(--muted);}
.d-flex{display:flex;align-items:center;}
.flex-wrap{flex-wrap:wrap;}
.align-centerm{text-align:center;}
.mt-6{margin-top:40px;}
.mb-4{margin-bottom:24px;}
.mb-3{margin-bottom:16px;}
.mb-2{margin-bottom:10px;}
.mb-6{margin-bottom:44px;}