/* roulang page: index */
:root{
  --bg-deep:#040a16;
  --bg-base:#071020;
  --bg-card:#0b1830;
  --glass:rgba(13,25,45,.5);
  --glass-strong:rgba(10,20,38,.82);
  --line:rgba(148,183,224,.15);
  --line-strong:rgba(148,183,224,.3);
  --text-main:#e9eef7;
  --text-soft:#aab9d0;
  --text-dim:#7f90aa;
  --brand:#3b83f6;
  --brand-deep:#1d4ed8;
  --cyan:#35c6f0;
  --gold:#ffc75a;
  --gold-deep:#e79b2a;
  --success:#31d4a0;
  --danger:#fb7185;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-sm:9px;
  --shadow-lg:0 26px 70px -24px rgba(0,10,35,.9);
  --shadow-soft:0 14px 36px -18px rgba(0,0,0,.7);
  --font-family:"Inter","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{background-color:var(--bg-deep);color:var(--text-main);font:400 16px/1.8 var(--font-family);-webkit-font-smoothing:antialiased;overflow-x:hidden;background-image:radial-gradient(1100px 560px at 85% -10%,rgba(28,80,160,.2),transparent 60%),radial-gradient(820px 540px at -18% 26%,rgba(35,54,120,.22),transparent 55%)}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(118,160,220,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(118,160,220,.045) 1px,transparent 1px);background-size:78px 78px;mask-image:linear-gradient(180deg,transparent,black 22%,black 70%,transparent)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font:inherit;border:0;background:none}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(59,131,246,.35);color:#fff}
.container{width:min(1200px,94%);margin-inline:auto;position:relative;z-index:2}
.section{padding:94px 0;position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px}
h1,h2,h3,h4{line-height:1.3;font-weight:650}
h2{font-size:clamp(26px,3.1vw,38px);letter-spacing:0;margin-bottom:14px}
h2,.h2,.section-title{color:#f0f4fb}
h3{font-size:19px;color:#edf2fa}
.section-desc{color:var(--text-soft);font-size:16px;line-height:1.9;margin-top:8px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:12px;line-height:1.5;border:1px solid transparent}
.badge-gold{color:#ffd88d;border-color:rgba(255,199,90,.34);background:rgba(255,199,90,.1)}
.badge-blue{color:#aad0ff;border-color:rgba(64,138,255,.35);background:rgba(64,138,255,.1)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:600;font-size:15px;transition:.25s}
.text-link:hover{color:#fff;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:999px;transition:.3s cubic-bezier(.2,.7,.3,1);position:relative;line-height:1.3;min-height:44px;padding:0 28px;font-size:15px;white-space:nowrap;border:1px solid transparent}
.btn-primary{color:#221700;background:linear-gradient(135deg,#ffe1a1,#f0a53b);box-shadow:0 10px 26px -10px rgba(246,181,62,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(255,190,64,.75);background:linear-gradient(135deg,#fff1cf,#f6b454)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#d7e2f4;border-color:rgba(148,183,224,.5);background:rgba(148,183,224,.06)}
.btn-ghost:hover{color:#fff;border-color:rgba(148,183,224,.9);background:rgba(148,183,224,.14);transform:translateY(-2px)}
.btn-lg{min-height:54px;padding:0 36px;font-size:16px}
.btn-sm{min-height:38px;padding:0 20px;font-size:14px}
.btn-nav{min-height:38px;padding:0 18px;font-size:13px}
.site-header{position:fixed;top:16px;left:0;right:0;z-index:100;transition:top .3s}
.dock-shell{max-width:min(1240px,97%);margin-inline:auto}
.dock{display:flex;align-items:center;gap:14px;background:var(--glass-strong);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:9px 10px 9px 18px;border:1px solid var(--line);border-radius:999px;box-shadow:0 16px 40px -14px rgba(0,0,0,.56);transition:background .35s,box-shadow .35s}
.site-header.scrolled{top:8px}
.site-header.scrolled .dock{background:rgba(6,13,27,.92);box-shadow:0 14px 34px -18px rgba(0,0,0,.74)}
.brand{display:flex;align-items:center;gap:11px;font-weight:750;font-size:20px;color:#fff;white-space:nowrap;letter-spacing:.4px}
.brand-icon{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#2f7bff,#2fb7ff);display:grid;place-items:center;font-size:18px;font-style:normal;box-shadow:0 8px 20px -8px rgba(43,130,255,.72)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav-link{padding:8px 13px;border-radius:999px;color:var(--text-soft);font-size:14px;border:1px solid transparent;transition:.25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.055)}
.nav-link.active{color:#fff;background:linear-gradient(180deg,rgba(56,112,255,.24),rgba(56,112,255,.08));border-color:rgba(91,158,255,.32);box-shadow:inset 0 0 12px rgba(70,140,255,.05)}
.nav-actions{margin-left:8px;display:flex;align-items:center;gap:6px}
.burger{display:none;flex-direction:column;width:44px;height:44px;align-items:center;justify-content:center;gap:5px;background:rgba(255,255,255,.055);border-radius:50%;border:1px solid rgba(255,255,255,.08)}
.burger span{display:block;width:18px;height:2px;background:#d8e3f8;border-radius:2px;transition:.3s}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:150px 0 110px;overflow:hidden;z-index:1;background:linear-gradient(180deg,rgba(5,10,20,.58),rgba(5,10,20,.93) 94%),url("/assets/images/backpic/back-1.png") center 18% / cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(720px 360px at 62% 24%,rgba(48,128,255,.2),transparent 60%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(180deg,transparent,var(--bg-deep))}
.hero-inner{position:relative;z-index:3;max-width:780px}
.hero-pill{display:inline-flex;align-items:center;gap:9px;background:rgba(6,14,28,.68);border:1px solid rgba(148,183,224,.22);border-radius:999px;padding:6px 16px;color:#d5e0f5;font-size:13px;box-shadow:0 8px 20px -12px rgba(0,0,0,.5)}
.hero-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 0 rgba(49,212,160,.6);animation:beat 2.6s ease-in-out infinite}
@keyframes beat{0%,100%{box-shadow:0 0 0 0 rgba(49,212,160,.5)}50%{box-shadow:0 0 0 6px rgba(49,212,160,0)}}
.hero-title{font-size:clamp(40px,5.7vw,66px);line-height:1.2;font-weight:750;margin:26px 0 24px;letter-spacing:0}
.title-mark{display:block;background:linear-gradient(105deg,#f4f7ff 10%,#73b5ff 48%,#37c6f4 85%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:6px}
.title-tagline{display:block;font-size:clamp(24px,2.8vw,38px);font-weight:650;color:#fff;margin-top:8px;letter-spacing:0}
.hero-lead{color:#bccae0;font-size:18px;max-width:640px;line-height:1.95;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin-top:22px;color:var(--text-dim);font-size:13px;display:flex;gap:8px}
.insight-strip{border-block:1px solid rgba(148,183,224,.1);background:rgba(10,18,36,.25);position:relative;z-index:2}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.strip-cell{padding:30px 32px;display:flex;align-items:flex-start;gap:18px}
.strip-cell+.strip-cell{border-left:1px solid rgba(148,183,224,.11)}
.strip-num{font-family:Inter,"PingFang SC",sans-serif;font-size:28px;font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(255,199,90,.52);line-height:1.4;min-width:56px}
.strip-cell h3{font-size:17px;margin-bottom:5px;color:#e9effa}
.strip-cell p{color:var(--text-soft);font-size:14px;line-height:1.8}
.section-head-note{color:var(--text-soft);font-size:15px}
.how-section{background:linear-gradient(180deg,transparent,rgba(12,23,45,.22),transparent)}
.steps-track{max-width:960px;margin:0 auto;display:grid;gap:22px}
.step{position:relative;padding:28px 30px 28px 96px;background:rgba(12,24,45,.62);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.3s}
.step::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--brand),var(--cyan));opacity:0;transition:.3s}
.step:hover{background:rgba(16,30,60,.75);border-color:rgba(148,183,224,.28)}
.step:hover::before{opacity:1}
.step::after{content:"";position:absolute;left:31px;top:0;bottom:0;width:1px;background:linear-gradient(180deg,rgba(82,140,255,.4),rgba(54,198,245,.1));transform:translateX(19px)}
.step:last-child::after{display:none}
.step-num{position:absolute;left:33px;top:27px;font-size:15px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(44,92,212,.22);border:1px solid rgba(88,160,255,.4);color:#c5dcff;font-weight:700;letter-spacing:0}
.step-body h3{margin-bottom:6px}
.step-body p{color:var(--text-soft);font-size:15px;line-height:1.8}
.preview-section{background:rgba(8,16,32,.2)}
.member-preview{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;align-items:stretch}
.preview-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:420px;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.preview-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.preview-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(3,8,20,.78))}
.preview-caption{position:absolute;left:24px;right:24px;bottom:22px;z-index:3;color:#f4f7fc}
.preview-caption .badge{margin-bottom:10px}
.preview-caption h3{font-size:22px;margin-bottom:5px}
.preview-caption p{font-size:14px;color:#c6d2e6}
.preview-info{background:rgba(12,24,45,.66);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 40px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow-soft)}
.preview-info h3{font-size:24px;margin:10px 0 20px}
.preview-desc{color:var(--text-soft);margin-bottom:24px}
.v-list{display:grid;gap:18px}
.v-item{display:flex;gap:15px;align-items:flex-start}
.v-icon{flex:none;width:44px;height:44px;border-radius:14px;background:rgba(59,131,246,.16);border:1px solid rgba(59,131,246,.36);color:#9dc8ff;font-size:20px;display:grid;place-items:center}
.v-item:nth-child(2) .v-icon{background:rgba(255,199,90,.14);border-color:rgba(255,199,90,.36);color:#ffd88d}
.v-item:nth-child(3) .v-icon{background:rgba(49,212,160,.14);border-color:rgba(49,212,160,.32);color:#7ff0c9}
.v-body strong{display:block;font-size:16px;color:#eaf0fa;margin-bottom:3px}
.v-body span{color:var(--text-soft);font-size:14px;line-height:1.75}
.progress-section{overflow:hidden}
.progress-panel{display:grid;grid-template-columns:1.3fr 1fr;gap:0;background:rgba(11,22,43,.72);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);overflow:hidden;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.progress-content{padding:44px 48px}
.task-list{display:grid;gap:14px;margin-top:28px}
.task{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius-md);border:1px solid transparent;background:rgba(255,255,255,.025)}
.task.done{background:rgba(49,212,160,.06);border-color:rgba(49,212,160,.2)}
.task.current{background:rgba(64,138,255,.07);border-color:rgba(64,138,255,.32)}
.task-icon{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.06);color:#8e9fba;font-size:13px;border:1px solid rgba(255,255,255,.08)}
.task.done .task-icon{background:rgba(49,212,160,.16);color:#7ff0c9;border-color:rgba(49,212,160,.34)}
.task.current .task-icon{background:rgba(255,199,90,.18);color:#ffd88d;border-color:rgba(255,199,90,.4);box-shadow:0 0 16px rgba(255,199,90,.18)}
.task strong{display:block;font-size:15px;color:#e9eef7;line-height:1.4}
.task small{color:var(--text-soft);font-size:13px}
.progress-visual{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:46px;background:radial-gradient(300px 300px at 50% 50%,rgba(59,131,246,.11),transparent 70%);border-left:1px solid var(--line)}
.ring-wrap{position:relative;width:200px;height:200px;margin-bottom:26px}
.ring-wrap svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(148,183,224,.15);stroke-width:11}
.ring-bar{fill:none;stroke:url("#ringGrad");stroke-width:11;stroke-linecap:round;stroke-dasharray:326;stroke-dashoffset:131;transition:stroke-dashoffset 1s ease}
.ring-value{position:absolute;inset:0;display:grid;place-items:center;font-size:38px;font-weight:750;color:#e7effb}
.ring-value small{font-size:14px;font-weight:400;color:var(--text-dim);margin-left:4px}
.ring-caption{color:var(--text-soft);font-size:14px;text-align:center;max-width:260px;line-height:1.8}
.news-section{background:linear-gradient(180deg,transparent,rgba(7,16,32,.4),transparent)}
.news-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.news-list-col{display:grid;gap:15px}
.news-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:14px;align-items:center;background:rgba(13,25,46,.55);border:1px solid rgba(148,183,224,.13);border-radius:var(--radius-md);padding:18px 20px;transition:.3s}
.news-row:hover{background:rgba(19,35,66,.72);border-color:rgba(98,168,255,.4);transform:translateY(-2px);box-shadow:0 12px 28px -16px rgba(0,0,0,.7)}
.news-cat{background:rgba(255,199,90,.11);color:#ffd88d;border:1px solid rgba(255,199,90,.25);border-radius:999px;padding:3px 12px;font-size:12px;white-space:nowrap}
.news-row-main{min-width:0}
.news-row-title{display:block;font-size:15px;font-weight:600;color:#e9eff8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px}
.news-row-excerpt{display:block;color:var(--text-soft);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-time{color:var(--text-dim);font-size:12px;white-space:nowrap}
.news-arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.04);color:#b5c6e2;font-size:15px;transition:.25s}
.news-row:hover .news-arrow{background:rgba(64,138,255,.2);color:#fff}
.news-feature{background:rgba(12,23,45,.7);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;position:relative}
.news-feature img{height:230px;width:100%;object-fit:cover}
.news-feature-body{padding:28px}
.news-feature-body h3{font-size:21px;margin:12px 0 10px}
.news-feature-body p{color:var(--text-soft);font-size:14px;line-height:1.85;margin-bottom:18px}
.empty-state{border:1px dashed rgba(148,183,224,.3);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;min-height:170px;padding:30px;background:rgba(255,255,255,.015);color:var(--text-dim);font-size:15px;text-align:center}
.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.directory-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(148,183,224,.15);background:rgba(12,24,45,.65);transition:.35s}
.directory-card:hover{transform:translateY(-6px);border-color:rgba(96,163,255,.5);box-shadow:0 26px 50px -28px rgba(0,80,255,.55)}
.card-media{height:190px;overflow:hidden;position:relative;background:#0c1a2f}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.directory-card:hover .card-media img{transform:scale(1.04)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(6,12,24,.8))}
.card-num{position:absolute;top:16px;left:16px;z-index:3;background:rgba(4,10,24,.68);border:1px solid rgba(255,255,255,.2);padding:3px 12px;border-radius:999px;font-size:12px;color:#e6eefa;backdrop-filter:blur(8px)}
.card-body{padding:26px}
.card-body h3{font-size:21px;margin-bottom:10px}
.card-body p{color:var(--text-soft);font-size:14px;margin-bottom:20px;line-height:1.85}
.faq-list{max-width:900px;margin-inline:auto;display:grid;gap:14px}
.faq-item{background:rgba(12,24,45,.62);border:1px solid rgba(148,183,224,.14);border-radius:var(--radius-md);overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(148,183,224,.28)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;text-align:left;color:#e8eef8;font-size:16px;font-weight:600;background:transparent;line-height:1.5}
.faq-question .faq-icon{width:28px;height:28px;flex:none;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.06);color:#9fc1ff;font-size:17px;border:1px solid rgba(255,255,255,.1);transition:.3s}
.faq-item.open .faq-icon{transform:rotate(45deg);color:#ffd88d;border-color:rgba(255,199,90,.4);background:rgba(255,199,90,.12)}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.faq-answer-inner{overflow:hidden}
.faq-answer-inner p{padding:0 24px 22px;color:var(--text-soft);font-size:15px;line-height:1.9;max-width:780px}
.cta-section{position:relative;overflow:hidden;background:linear-gradient(115deg,rgba(5,12,24,.76),rgba(7,18,36,.92)),url("/assets/images/backpic/back-3.webp") center 20% / cover no-repeat}
.cta-panel{position:relative;background:rgba(7,16,34,.5);border:1px solid rgba(128,170,255,.28);border-radius:var(--radius-lg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 0 0 1px rgba(0,0,0,.2),0 40px 100px -40px rgba(30,80,220,.55);padding:64px 72px;text-align:center}
.cta-panel h2{font-size:clamp(26px,3.6vw,44px);margin-bottom:14px}
.cta-panel .gold-line{width:52px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold-deep));margin:0 auto 22px}
.cta-panel p{color:#c7d4e8;font-size:16px;max-width:660px;margin:0 auto 34px;line-height:1.9}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-small{color:var(--text-dim);font-size:13px;margin-top:22px}
.site-footer{position:relative;background:#040a16;border-top:1px solid rgba(148,183,224,.1);z-index:1}
.site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 260px at 50% 0%,rgba(35,76,150,.18),transparent 70%);pointer-events:none}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:42px;padding:64px 0 44px;position:relative;z-index:2}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-dim);font-size:14px;line-height:1.9;max-width:300px}
.footer-col h4{font-size:14px;color:#e6edf7;margin-bottom:18px;font-weight:700;letter-spacing:.04em}
.footer-col a{display:block;color:var(--text-soft);font-size:14px;padding:5px 0;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:5px}
.footer-contact{color:var(--text-soft);font-size:14px;line-height:1.8}
.footer-contact span{color:var(--text-dim);font-size:13px}
.footer-bottom{position:relative;z-index:2;padding:20px 0;border-top:1px solid rgba(148,183,224,.09);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-dim)}
.footer-domain{letter-spacing:.04em}
@media(max-width:1080px){
  .nav-link{padding:8px 9px;font-size:13px}
  .strip-cell{padding:24px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:992px){
  .strip-grid{grid-template-columns:1fr}
  .strip-cell{border-left:0!important;padding:24px 16px;align-items:flex-start}
  .strip-cell+.strip-cell{border-left:0;border-top:1px solid rgba(148,183,224,.1)}
  .member-preview{grid-template-columns:1fr}
  .preview-media{min-height:320px}
  .news-wrap{grid-template-columns:1fr}
  .directory-grid{grid-template-columns:1fr 1fr;gap:16px}
  .progress-panel{grid-template-columns:1fr}
  .progress-visual{border-left:0;border-top:1px solid var(--line)}
  .cta-panel{padding:52px 40px}
  .card-media{height:170px}
}
@media(max-width:768px){
  .section{padding:68px 0}
  .site-header{top:10px}
  .dock{border-radius:24px;flex-wrap:wrap;padding:8px 12px;gap:8px}
  .brand{font-size:18px}
  .burger{display:flex}
  .main-nav{display:none;width:100%;flex-direction:column;order:4;background:rgba(6,13,27,.96);border:1px solid var(--line);border-radius:20px;padding:10px;gap:2px;box-shadow:0 16px 30px -14px rgba(0,0,0,.8);margin-top:4px}
  .main-nav.open{display:flex}
  .nav-link{width:100%;padding:10px 14px}
  .nav-actions{margin-left:auto}
  .hero{padding:130px 0 80px}
  .hero-lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .directory-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-contact{margin-top:6px}
  .footer-bottom{flex-direction:column}
  .preview-info{padding:28px 24px}
  .progress-content{padding:32px 24px}
  .cta-panel{padding:40px 24px}
  .cta-buttons{flex-direction:column}
  .cta-buttons .btn{width:100%}
  .step{padding:22px 22px 22px 76px}
  .step-num{left:18px}
  .step::after{left:37px}
  .news-row{grid-template-columns:1fr auto;gap:8px 10px}
  .news-cat{width:max-content}
  .news-row-title{white-space:normal}
  .news-row-excerpt{display:none}
}
@media(max-width:520px){
  .btn{padding-inline:20px}
  .section-head{margin-bottom:32px}
  .steps-track{display:grid;gap:16px}
  .step{padding:20px 18px}
  .step-num{position:static;margin-bottom:12px}
  .step::after{display:none}
  .step::before{left:0;top:auto;bottom:auto;right:0;height:3px;width:100%;opacity:.7}
  .footer-top{gap:30px;padding-top:48px}
  .card-body{padding:20px}
  .ring-wrap{width:160px;height:160px}
  .ring-bar,.ring-bg{stroke-width:10;stroke-dasharray:261}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-deep:#040b17;
  --bg-base:#071126;
  --bg-elev:#0c1a33;
  --card:rgba(255,255,255,.045);
  --card-strong:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.1);
  --border-light:rgba(255,255,255,.16);
  --brand:#4d8dff;
  --brand-2:#37c8df;
  --gold:#f2b544;
  --cyan:#49d8d2;
  --text:#e9f0fb;
  --text-weak:rgba(233,240,251,.68);
  --text-faint:rgba(233,240,251,.46);
  --danger:#ff6b6b;
  --success:#38d996;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-dock:0 12px 34px rgba(0,0,0,.34), 0 2px 8px rgba(0,0,0,.22);
  --glow-blue:0 12px 44px rgba(77,141,255,.28);
  --glow-gold:0 8px 30px rgba(242,181,68,.25);
  --space-section:100px;
  --max-w:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg-deep);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit;border:0;background:none}
ul,ol{padding-left:1.3em}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:rgba(77,141,255,.35);color:#fff}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.narrow{max-width:880px}
.section{position:relative;padding:var(--space-section) 0}
.section-head{max-width:760px;margin:0 auto 50px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--brand-2);
  text-transform:uppercase;font-weight:600;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(73,216,210,.08);border:1px solid rgba(73,216,210,.22);
  margin-bottom:14px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  line-height:1;white-space:nowrap;cursor:pointer;transition:.3s var(--ease);
  border:1px solid transparent;text-align:center;
}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn-primary{
  background:linear-gradient(135deg,#3e78f2,#2ab3dc);
  color:#fff;box-shadow:0 6px 24px rgba(66,130,255,.36), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(66,130,255,.5)}
.btn-primary:active{transform:translateY(0)}
.btn-soft{
  background:var(--card);border-color:var(--border);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-soft:hover{background:rgba(255,255,255,.1);border-color:var(--border-light);transform:translateY(-2px)}
.btn-ghost{
  background:transparent;border:1px solid var(--border);color:var(--text-weak);
}
.btn-ghost:hover{border-color:var(--brand);color:#fff;background:rgba(77,141,255,.08)}
.btn:active{transform:scale(.98)}
.tag{
  display:inline-flex;align-items:center;
  background:rgba(77,141,255,.12);border:1px solid rgba(77,141,255,.26);
  color:#b9d5ff;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--radius-pill);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(242,181,68,.1);border:1px solid rgba(242,181,68,.32);
  color:var(--gold);font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:var(--radius-pill);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding-top:14px;pointer-events:none;
}
.dock-shell{max-width:1280px;margin:0 auto;padding:0 20px}
.dock{
  pointer-events:all;
  display:flex;align-items:center;gap:10px;
  max-width:1180px;margin:0 auto;
  padding:10px 14px 10px 20px;
  background:rgba(7,16,32,.72);
  border:1px solid rgba(255,255,255,.11);
  border-radius:var(--radius-pill);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  box-shadow:var(--shadow-dock);
  transition:padding .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled .dock{
  background:rgba(5,12,25,.86);
  padding-top:8px;padding-bottom:8px;
  box-shadow:0 12px 36px rgba(0,0,0,.46),0 0 0 1px rgba(255,255,255,.05);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#2f75f2,#2ac3de);
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 6px 16px rgba(77,141,255,.36);
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1}
.main-nav .nav-link{
  position:relative;padding:9px 15px;font-size:14px;font-weight:500;color:var(--text-weak);
  border-radius:999px;transition:.25s var(--ease);white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(.5);
  width:50%;height:2px;border-radius:4px;opacity:0;
  background:linear-gradient(90deg,#3e86ff,#55c8e9);
  transition:.25s var(--ease);
}
.main-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.main-nav .nav-link.active{color:#fff}
.main-nav .nav-link.active::after{opacity:1;transform:translateX(-50%) scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-actions .btn-nav{height:40px;padding:0 20px;font-size:14px;box-shadow:none}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.06);
  border:1px solid var(--border);cursor:pointer;align-items:center;
  transition:.25s var(--ease);
}
.burger span{width:18px;height:2px;background:#fff;border-radius:2px;transition:.3s var(--ease)}
.burger:hover{background:rgba(255,255,255,.12)}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.article-hero{
  position:relative;
  padding:190px 0 130px;overflow:hidden;
  background-color:#071124;
  background-image:
    radial-gradient(900px 360px at 82% -10%,rgba(77,141,255,.24),transparent 65%),
    radial-gradient(700px 300px at 7% 0%,rgba(52,152,88,.1),transparent 60%),
    linear-gradient(180deg,rgba(3,9,20,.72) 0%,rgba(3,9,20,.55) 38%,rgba(3,9,20,.82) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,var(--bg-deep) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-faint);margin-bottom:22px;
}
.breadcrumb a{transition:.2s}
.breadcrumb a:hover{color:#8fb8ff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text-weak)}
.article-hero .entry-badge{margin-bottom:20px}
.article-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.26;
  font-weight:700;letter-spacing:.01em;color:#fff;
  max-width:920px;
  overflow-wrap:anywhere;
  margin-bottom:24px;
  text-shadow:0 4px 35px rgba(0,0,0,.36);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  font-size:14px;color:var(--text-weak);
}
.hero-meta .m-label{color:var(--text-faint);margin-right:6px}
.article-main{position:relative;z-index:4;padding-bottom:24px}
.article-card{
  max-width:900px;margin:-58px auto 0;
  background:linear-gradient(180deg,rgba(10,21,40,.95),rgba(6,14,28,.96));
  border:1px solid rgba(255,255,255,.1);
  border-radius:28px;
  padding:clamp(24px,5vw,60px);
  box-shadow:0 28px 90px rgba(0,0,0,.38),0 0 0 1px rgba(255,255,255,.04) inset;
  backdrop-filter:blur(20px);
}
.article-content{
  font-size:16.5px;line-height:2;color:rgba(233,240,251,.9);
  overflow-wrap:break-word;
}
.article-content>*+*{margin-top:1.4em}
.article-content h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.5;font-weight:700;color:#fff;
  margin-top:2em;padding-top:.4em;
}
.article-content h3{
  font-size:20px;line-height:1.6;font-weight:700;color:#fff;
  margin-top:1.7em;
}
.article-content h4{font-size:17px;font-weight:700;color:#dbe9ff;margin-top:1.6em}
.article-content p{margin:1.4em 0}
.article-content a{
  color:#7bb2ff;border-bottom:1px solid rgba(123,178,255,.35);
  transition:.2s;
}
.article-content a:hover{color:#b5d5ff;border-bottom-color:#7bb2ff}
.article-content blockquote{
  margin:2em 0;padding:18px 26px;
  border-left:3px solid var(--gold);
  background:rgba(242,181,68,.08);
  border-radius:4px 14px 14px 4px;
  color:rgba(233,240,251,.8);
}
.article-content ul,.article-content ol{margin:1.2em 0;padding-left:.8em}
.article-content li{margin:.55em 0}
.article-content img{
  max-width:100%;height:auto;border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  margin:1.8em auto;box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.article-content table{
  width:100%;border-collapse:collapse;margin:2em 0;font-size:15px;
  border-radius:10px;overflow:hidden;
}
.article-content th{
  background:rgba(77,141,255,.12);color:#fff;font-weight:700;
  padding:14px 16px;text-align:left;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.article-content td{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.article-content tr:last-child td{border-bottom:0}
.article-content tr:hover td{background:rgba(255,255,255,.025)}
.article-content hr{margin:2.6em auto;border:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}
.article-tools{
  margin-top:52px;padding-top:32px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.tool-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px}
.tool-meta b{color:var(--text-faint);font-weight:500;margin-right:5px}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px}
.not-found-section{padding:190px 0 100px}
.not-found-card{
  max-width:720px;margin:0 auto;text-align:center;
  padding:clamp(50px,7vw,90px) 32px;
  border:1px dashed rgba(255,255,255,.24);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
}
.not-found-card .nf-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.3);
  color:#ff8f8f;font-size:26px;font-weight:800;margin-bottom:24px;
}
.not-found-card h1{font-size:32px;color:#fff;margin-bottom:12px}
.not-found-card p{color:var(--text-weak);margin-bottom:28px}
.related-section{padding:80px 0 30px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);
  border-radius:22px;overflow:hidden;
  transition:transform .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.related-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.07);border-color:rgba(77,141,255,.4);box-shadow:var(--glow-blue)}
.rc-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0b1830}
.rc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.related-card:hover .rc-cover img{transform:scale(1.05)}
.rc-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,11,24,.45))}
.rc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rc-body h3{font-size:19px;line-height:1.45;color:#fff}
.rc-body p{font-size:14px;color:var(--text-weak);line-height:1.75;flex:1}
.rc-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#8db9ff;margin-top:10px;transition:.25s}
.rc-more svg{transition:transform .25s}
.related-card:hover .rc-more{color:#c2dbff}
.related-card:hover .rc-more svg{transform:translateX(4px)}
.faq-section{
  padding:80px 0 40px;
  background:
    radial-gradient(700px 320px at 15% 20%,rgba(40,120,220,.12),transparent 60%),
    transparent;
}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;
  overflow:hidden;transition:.3s var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-item[open]{background:rgba(255,255,255,.055)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-weight:600;color:#f5f8ff;
  list-style:none;font-size:16px;transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:300;font-size:18px;transition:.3s var(--ease);
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);border-color:var(--brand);color:#fff}
.faq-answer{padding:0 24px 22px;color:var(--text-weak);font-size:15px;line-height:1.9}
.faq-answer p{max-width:95%}
.cta-section{padding:70px 0 110px}
.cta-panel{
  position:relative;max-width:1040px;margin:0 auto;
  padding:clamp(40px,6vw,80px) clamp(26px,5vw,70px);
  text-align:center;border-radius:32px;
  background:
    radial-gradient(560px 250px at 70% -30%,rgba(242,181,68,.18),transparent 60%),
    radial-gradient(600px 300px at 10% 130%,rgba(77,141,255,.22),transparent 55%),
    rgba(8,19,38,.92);
  border:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  box-shadow:0 30px 90px rgba(0,0,0,.36), inset 0 1px 0 rgba(255,255,255,.1);
}
.cta-panel::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:44%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
}
.cta-panel h2{font-size:clamp(25px,3.4vw,38px);line-height:1.4;color:#fff;margin-bottom:16px}
.cta-panel p{max-width:620px;margin:0 auto 34px;color:var(--text-weak);font-size:16px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.site-footer{
  position:relative;padding:70px 0 28px;
  background:linear-gradient(180deg,rgba(4,10,20,.5),rgba(2,6,14,.9));
  border-top:1px solid rgba(255,255,255,.07);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;bottom:0;top:0;pointer-events:none;
  background:radial-gradient(700px 260px at 85% 100%,rgba(59,109,200,.14),transparent 60%);
}
.site-footer .container{position:relative;z-index:2}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px 36px;padding-bottom:52px;
}
.footer-brand .brand{font-size:20px;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-faint);max-width:330px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px}
.footer-col a{
  display:block;font-size:14px;color:var(--text-weak);
  padding:7px 0;transition:.2s;
}
.footer-col a:hover{color:#8db9ff;transform:translateX(3px)}
.footer-contact p{font-size:13px;color:var(--text-faint);line-height:1.9;margin-bottom:8px}
.footer-contact span{font-size:13px;color:rgba(233,240,251,.32)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--text-faint);
}
.footer-domain{font-family:ui-monospace,"SF Mono","Cascadia Mono",Menlo,monospace;opacity:.6}
.empty-state{
  border:1px dashed rgba(255,255,255,.2);border-radius:20px;
  padding:60px 30px;text-align:center;background:rgba(255,255,255,.025);
}
.empty-state .empty-icon{
  width:54px;height:54px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(77,141,255,.1);border:1px solid rgba(77,141,255,.26);
  color:#8cb6ff;font-size:24px;
}
.empty-state p{color:var(--text-faint);font-size:14px}
@media (max-width:992px){
  :root{--space-section:76px}
  .footer-top{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .dock{flex-wrap:wrap;border-radius:26px;padding:12px 14px}
  .brand{flex:1}
  .burger{display:inline-flex}
  .main-nav{
    display:none;flex-basis:100%;flex-direction:column;align-items:stretch;
    padding-top:10px;margin-top:10px;border-top:1px solid rgba(255,255,255,.08);
    gap:4px;
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{padding:13px 14px;border-radius:13px}
  .main-nav .nav-link::after{display:none}
  .nav-actions .btn-nav{display:none}
  .article-hero{padding:150px 0 110px}
  .article-main{padding-bottom:0}
  .article-card{margin-top:-28px;padding:24px 20px;border-radius:20px}
  .article-content{font-size:16px}
  .related-grid{grid-template-columns:1fr 1fr;gap:16px}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .cta-section{padding-bottom:80px}
  .article-tools{flex-direction:column;align-items:flex-start}
  .tool-actions{width:100%}
  .tool-actions .btn{flex:1}
}
@media (max-width:520px){
  .container{padding:0 16px}
  :root{--space-section:64px}
  .dock-shell{padding:0 10px}
  .dock{border-radius:20px}
  .related-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:28px}
  .article-card{padding:20px 16px}
  .footer-top{padding-bottom:36px}
  .cta-panel{padding:40px 22px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
  .section-head{margin-bottom:34px}
  .hero-meta{gap:8px 16px;font-size:13px}
}

/* roulang page: category1 */
:root {
  --bg-deep: #04070d;
  --bg-base: #07101f;
  --bg-soft: #0b1524;
  --bg-panel: rgba(255, 255, 255, .042);
  --bg-panel-strong: rgba(12, 23, 40, .82);
  --line: rgba(255, 255, 255, .082);
  --line-strong: rgba(255, 255, 255, .16);
  --text-hi: #f2f7ff;
  --text: #c7d3e4;
  --text-soft: #8ea0b6;
  --muted: #67788f;
  --brand: #2e84f7;
  --brand-light: #6bb0ff;
  --cyan: #49d6ff;
  --gold: #f7bc5a;
  --gold-deep: #e69e32;
  --green: #3fd5a0;
  --danger: #ff6b7d;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-deep: 0 20px 52px rgba(0, 0, 0, .38);
  --shadow-soft: 0 12px 36px rgba(0, 0, 0, .22);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -5;
  background:
    radial-gradient(720px 360px at 100% -5%, rgba(36, 108, 250, .16), transparent 58%),
    radial-gradient(560px 420px at -10% 28%, rgba(73, 214, 255, .06), transparent 60%),
    linear-gradient(180deg, #04070d, #081224 50%, #04070e);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  background-image: radial-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .36), transparent 72%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}

img {
  display: block;
  max-width: 100%;
}

ul,
ol,
li {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--brand-light);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(46, 132, 247, .30);
  color: #fff;
}

.container {
  width: min(1220px, 100% - 40px);
  margin-inline: auto;
}

.section {
  padding: clamp(70px, 9vw, 112px) 0;
  position: relative;
}

.section-head {
  max-width: 820px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.section-title {
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.3;
  color: var(--text-hi);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 16px;
  max-width: 720px;
}

.section-desc.lead {
  font-size: 17px;
  color: #b5c4d6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}

.btn:active {
  transform: translateY(1px) scale(.99);
}

.btn-primary {
  background: linear-gradient(135deg, #ffd07e, #f7b847 46%, #ec9f31);
  color: #14222e;
  box-shadow: 0 8px 26px rgba(247, 184, 71, .20), 0 0 0 1px rgba(255, 255, 255, .12) inset;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, #ffd98f, #fbc25c 46%, #f5ab3c);
  box-shadow: 0 12px 38px rgba(247, 184, 71, .34), 0 0 0 1px rgba(255, 255, 255, .2) inset;
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .18);
  color: var(--text-hi);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .36);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-soft);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: var(--text-hi);
  background: rgba(255, 255, 255, .06);
}

.btn-nav {
  height: 40px;
  padding: 0 22px;
  font-size: 14px;
}

/* Dock Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding-top: 16px;
  pointer-events: none;
}

.dock-shell {
  width: min(1220px, 100% - 36px);
  margin-inline: auto;
}

.dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(6, 11, 22, .66);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  padding: 10px 10px 10px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .36), 0 0 0 1px rgba(255, 255, 255, .03) inset;
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}

.site-header.scrolled .dock {
  background: rgba(4, 8, 17, .82);
  box-shadow: 0 16px 42px rgba(0, 0, 0, .48), 0 0 0 1px rgba(255, 255, 255, .06) inset;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-hi);
  letter-spacing: .02em;
  line-height: 1;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #2e84f7, #1467e0);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 8px 22px rgba(46, 132, 247, .3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 9px 17px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 14.5px;
  font-weight: 500;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, .07);
}

.nav-link.active {
  color: #fff;
  background: rgba(46, 132, 247, .15);
  box-shadow: 0 0 0 1px rgba(107, 176, 255, .22), 0 8px 20px rgba(46, 132, 247, .13) inset;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: width .2s var(--ease), transform .25s var(--ease), background .2s var(--ease);
}

.site-header.nav-open .burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .burger span:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.category-hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 164px 0 90px;
  background: var(--bg-base);
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: .28;
  filter: saturate(.8) contrast(1.06);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 75%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(3, 7, 15, .94) 0%, rgba(3, 8, 17, .75) 42%, rgba(6, 17, 34, .42) 100%),
    radial-gradient(500px 400px at 75% 80%, rgba(38, 102, 225, .18), transparent 60%);
}

.hero-box {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, .88fr);
  align-items: center;
  gap: 64px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 15px;
  border-radius: 999px;
  background: rgba(46, 132, 247, .12);
  border: 1px solid rgba(107, 176, 255, .26);
  color: var(--brand-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(63, 213, 160, .6);
  animation: pulseRing 2s infinite;
}

@keyframes pulseRing {
  0% {
    box-shadow: 0 0 0 0 rgba(63, 213, 160, .45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(63, 213, 160, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(63, 213, 160, 0);
  }
}

.category-hero h1 {
  margin-top: 28px;
  color: var(--text-hi);
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.category-hero h1 span {
  display: block;
  background: linear-gradient(100deg, #fff, #bfd9ff 42%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: 6px;
}

.hero-lead {
  margin-top: 24px;
  max-width: 620px;
  font-size: 18px;
  line-height: 1.9;
  color: #c5d3e5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-keyline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
}

.hero-keyline span {
  font-size: 13px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  padding: 8px 14px;
  border-radius: 999px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.hero-keyline i {
  font-style: normal;
  color: var(--gold);
  font-weight: 700;
}

.hero-visual {
  position: relative;
}

.art-card {
  position: relative;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow-deep), 0 0 0 1px rgba(255, 255, 255, .08) inset;
}

.art-card::before {
  content: "";
  display: block;
  position: absolute;
  top: 1px;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .45), transparent);
  z-index: 2;
}

.art-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.art-float {
  position: absolute;
  left: 22px;
  bottom: 22px;
  right: 22px;
  background: rgba(4, 9, 18, .78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .13);
  padding: 13px 16px;
  border-radius: var(--radius-md);
  color: #dbe7f7;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.art-float::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--gold), #ff9b2d);
  box-shadow: 0 0 16px rgba(255, 190, 90, .6);
}

/* First steps */
.first-steps {
  border-top: 1px solid rgba(255, 255, 255, .06);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  background: linear-gradient(180deg, rgba(4, 9, 18, .3), rgba(9, 19, 34, .6), rgba(4, 9, 18, .3));
}

.intro-pair {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 72px;
  align-items: start;
}

.pair-main {
  position: sticky;
  top: 130px;
}

.pair-main .lead-copy {
  margin-top: 20px;
  color: var(--text-soft);
  font-size: 16px;
}

.pair-note {
  margin-top: 34px;
  border-left: 2px solid var(--brand);
  padding-left: 18px;
  background: linear-gradient(90deg, rgba(46, 132, 247, .08), transparent);
  border-radius: 0 12px 12px 0;
  padding: 16px 18px;
  margin-left: -20px;
}

.pair-note p {
  color: var(--text);
  font-size: 15px;
  max-width: 530px;
}

.step-list {
  display: grid;
  gap: 16px;
}

.step-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .085);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: background .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease);
}

.step-item:hover {
  background: rgba(255, 255, 255, .065);
  border-color: rgba(255, 255, 255, .18);
  transform: translateX(4px);
}

.step-no {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  background: linear-gradient(145deg, rgba(46, 132, 247, .9), rgba(31, 90, 184, .85));
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 10px 24px rgba(46, 132, 247, .24);
}

.step-item:nth-child(2) .step-no {
  background: linear-gradient(145deg, #155eb0, #0e3a80);
}

.step-item:nth-child(3) .step-no {
  background: linear-gradient(145deg, #f1a93f, #c57618);
  box-shadow: 0 10px 24px rgba(247, 184, 71, .22);
}

.step-item strong {
  display: block;
  color: var(--text-hi);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--text-soft);
  font-size: 15px;
}

/* Spotlight latest note */
.latest-note {
  background: linear-gradient(180deg, rgba(4, 8, 15, 0), rgba(9, 19, 32, .65), rgba(4, 8, 15, 0));
  border-block: 1px solid rgba(255, 255, 255, .05);
}

.note-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(115deg, rgba(16, 28, 46, .75), rgba(7, 14, 27, .82));
  box-shadow: var(--shadow-deep);
}

.note-content {
  padding: clamp(30px, 5vw, 58px);
}

.note-content h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--text-hi);
  line-height: 1.3;
  font-weight: 700;
}

.note-content p {
  color: var(--text-soft);
  margin-top: 18px;
  max-width: 520px;
}

.note-content .btn {
  margin-top: 28px;
}

.note-visual {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  background: rgba(0, 0, 0, .15);
}

.note-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .72;
}

.note-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 18, 31, .94), rgba(9, 18, 31, .2));
}

/* Check grid */
.check-section {
  background:
    radial-gradient(600px 360px at 10% 0%, rgba(29, 111, 226, .1), transparent 55%),
    transparent;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.check-card {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  position: relative;
  overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}

.check-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 26px;
  right: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .4), transparent);
}

.check-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .065);
  border-color: rgba(255, 255, 255, .22);
  box-shadow: var(--shadow-soft), 0 4px 22px rgba(46, 132, 247, .08);
}

.check-no {
  font-size: 12px;
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: block;
}

.check-card h3 {
  font-size: 18px;
  color: var(--text-hi);
  margin-bottom: 12px;
  font-weight: 700;
}

.check-card p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}

/* Audience section */
.audience-section {
  background: linear-gradient(180deg, rgba(5, 11, 20, .95), rgba(8, 15, 27, .5), rgba(5, 11, 20, .95));
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.audience-item {
  background: rgba(255, 255, 255, .04);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 28px 26px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .04) inset;
  transition: background .25s var(--ease), transform .25s var(--ease);
}

.audience-item:hover {
  background: rgba(255, 255, 255, .065);
}

.audience-item span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: rgba(247, 188, 90, .14);
  color: var(--gold);
  font-weight: 800;
  margin-bottom: 20px;
}

.audience-item h3 {
  color: var(--text-hi);
  font-size: 17px;
  margin-bottom: 12px;
  font-weight: 700;
}

.audience-item p {
  color: var(--text-soft);
  font-size: 14.5px;
}

/* Channel cards */
.channels-section {
  background: rgba(2, 5, 11, .5);
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.channel-card {
  position: relative;
  display: flex;
  min-height: 260px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  align-items: flex-end;
  padding: 30px;
  isolation: isolate;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.channel-card:hover,
.channel-card:focus-visible {
  border-color: rgba(255, 255, 255, .24);
  transform: translateY(-6px);
  box-shadow: var(--shadow-deep);
}

.channel-card img.channel-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: .34;
  transition: opacity .3s var(--ease), transform .5s var(--ease);
}

.channel-card:hover img.channel-bg {
  opacity: .5;
  transform: scale(1.03);
}

.channel-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent, rgba(4, 8, 15, .22), rgba(4, 8, 15, .94));
}

.channel-card h3 {
  color: var(--text-hi);
  font-size: 23px;
  font-weight: 700;
  margin-bottom: 8px;
}

.channel-card p {
  color: #b8c7da;
  max-width: 420px;
  font-size: 14.5px;
  line-height: 1.8;
}

.channel-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--cyan);
  background: rgba(73, 214, 255, .1);
  border: 1px solid rgba(73, 214, 255, .2);
  padding: 5px 13px;
  border-radius: 999px;
  margin-bottom: 20px;
}

/* FAQ */
.faq-section {
  background: linear-gradient(180deg, rgba(5, 10, 19, .95), rgba(10, 20, 36, .5), rgba(5, 10, 19, .95));
}

.faq-head {
  max-width: 760px;
}

.faq-list {
  max-width: 820px;
  margin-top: 52px;
}

.faq-item {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}

.faq-item.open,
.faq-item:hover {
  border-color: rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .06);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .2);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  text-align: left;
  color: var(--text-hi);
  font-size: 16.5px;
  font-weight: 600;
  background: transparent;
  transition: color .2s var(--ease);
}

.faq-q:hover,
.faq-q:focus-visible {
  color: #fff;
}

.faq-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  font-size: 16px;
  font-weight: 500;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(46, 132, 247, .16);
  color: #fff;
  border-color: rgba(46, 132, 247, .35);
}

.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s var(--ease);
}

.faq-item.open .faq-a {
  grid-template-rows: 1fr;
}

.faq-a-inner {
  overflow: hidden;
}

.faq-a p {
  padding: 0 26px 24px;
  color: #b8c7da;
  font-size: 15px;
  line-height: 1.9;
}

/* Final CTA */
.cta-section {
  padding: 40px 0 110px;
  background: linear-gradient(180deg, rgba(6, 11, 21, .5), transparent);
}

.cta-panel {
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
  border-radius: var(--radius-xl);
  padding: clamp(38px, 7vw, 72px) clamp(24px, 6vw, 68px);
  position: relative;
  border: 1px solid rgba(255, 255, 255, .14);
  background:
    radial-gradient(360px 180px at 50% 0%, rgba(46, 132, 247, .2), transparent 70%),
    radial-gradient(480px 260px at 100% 100%, rgba(247, 188, 90, .11), transparent 60%),
    rgba(10, 18, 32, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .28);
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(107, 176, 255, .55), transparent 30%, rgba(255, 255, 255, .12) 65%, rgba(247, 188, 90, .36));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cta-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gold);
  font-weight: 700;
  padding: 6px 15px;
  border-radius: 999px;
  background: rgba(247, 188, 90, .1);
  border: 1px solid rgba(247, 188, 90, .22);
  letter-spacing: .1em;
}

.cta-panel h2 {
  margin-top: 22px;
  color: var(--text-hi);
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1.35;
  font-weight: 700;
}

.cta-panel p {
  margin: 18px auto 0;
  max-width: 600px;
  color: var(--text-soft);
  font-size: 15.5px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* Footer */
.site-footer {
  background: rgba(2, 5, 11, .86);
  border-top: 1px solid var(--line);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(107, 176, 255, .35), rgba(247, 188, 90, .3), transparent);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 80px 0 50px;
}

.footer-brand .brand {
  font-size: 19px;
}

.footer-brand p {
  margin-top: 20px;
  color: var(--text-soft);
  font-size: 14.5px;
  max-width: 310px;
}

.footer-col h4 {
  color: var(--text-hi);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  width: fit-content;
  color: var(--text-soft);
  font-size: 14.5px;
  padding: 5px 0;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: #fff;
  transform: translateX(3px);
}

.footer-contact p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 8px;
}

.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.footer-contact span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 22px 0 30px;
  color: var(--text-soft);
  font-size: 13px;
}

.footer-domain {
  color: var(--muted);
  letter-spacing: .04em;
}

/* Media queries */
@media (max-width: 1120px) {
  .main-nav {
    gap: 4px;
  }

  .nav-link {
    padding: 9px 13px;
    font-size: 13.5px;
  }

  .intro-pair {
    grid-template-columns: 1fr;
  }

  .pair-main {
    position: static;
  }

  .check-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .category-hero {
    min-height: auto;
    padding: 150px 0 70px;
  }

  .hero-box {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-lead {
    max-width: 620px;
  }

  .hero-visual {
    max-width: 560px;
    width: 100%;
  }

  .note-panel {
    grid-template-columns: 1fr;
  }

  .note-visual {
    min-height: 220px;
    order: -1;
  }

  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding-top: 12px;
  }

  .dock {
    padding: 8px 8px 8px 14px;
  }

  .burger {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    background: rgba(5, 10, 20, .96);
    border: 1px solid var(--line);
    border-radius: 22px;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 6px;
    box-shadow: 0 24px 54px rgba(0, 0, 0, .45);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .site-header.nav-open .main-nav {
    display: flex;
  }

  .main-nav .nav-link {
    border-radius: 14px;
    padding: 13px 16px;
    font-size: 15px;
  }

  .nav-actions .btn-nav {
    display: none;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-keyline {
    flex-direction: column;
  }

  .hero-keyline span {
    width: fit-content;
  }

  .intro-pair {
    gap: 44px;
  }

  .step-item {
    padding: 18px 18px;
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }

  .step-no {
    width: 44px;
    height: 44px;
  }

  .check-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .channel-grid {
    grid-template-columns: 1fr;
  }

  .faq-q {
    padding: 18px 20px;
  }

  .faq-a p {
    padding: 0 20px 20px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 60px 0 32px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(1220px, 100% - 26px);
  }

  .brand {
    font-size: 16px;
  }

  .brand-icon {
    width: 31px;
    height: 31px;
  }

  .category-hero h1 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .section-title {
    font-size: 25px;
  }

  .section-desc {
    font-size: 15px;
  }

  .btn {
    height: 46px;
    padding: 0 22px;
  }

  .step-list {
    gap: 12px;
  }

  .step-item strong {
    font-size: 16px;
  }

  .step-item p {
    font-size: 14px;
  }

  .audience-item {
    padding: 22px 18px;
  }

  .channel-card {
    padding: 24px 20px;
    min-height: 230px;
  }

  .channel-card h3 {
    font-size: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category2 */
:root {
    --bg-deep: #050b18;
    --bg-base: #0a1428;
    --bg-elev: #111e38;
    --card-bg: rgba(255, 255, 255, 0.045);
    --card-strong: rgba(255, 255, 255, 0.07);
    --brand: #2f7bff;
    --brand-2: #4cc9f0;
    --gold: #f5b544;
    --gold-light: #ffe1a1;
    --mint: #35d4ba;
    --text: #eaf2ff;
    --muted: #9db1d0;
    --border: rgba(151, 185, 255, 0.15);
    --border-light: rgba(151, 185, 255, 0.27);
    --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
    --font-num: "Inter", "Manrope", "DIN Alternate", "PingFang SC", sans-serif;
    --r-lg: 22px;
    --r-md: 16px;
    --r-sm: 10px;
    --shadow: 0 22px 55px rgba(0, 0, 0, 0.32);
    --shadow-glow: 0 12px 40px rgba(47, 123, 255, 0.22);
    --shadow-gold: 0 8px 32px rgba(245, 181, 68, 0.22);
    --space-section: 110px;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

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

  body {
    font-family: var(--font-main);
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  body.no-scroll {
    overflow: hidden;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease, border-color .25s ease, background .25s ease, opacity .25s ease;
  }

  a:hover {
    color: #cfe0ff;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--brand-2);
    outline-offset: 3px;
    border-radius: 6px;
  }

  img {
    display: block;
    max-width: 100%;
  }

  h1,
  h2,
  h3,
  h4 {
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
  }

  ul,
  ol {
    list-style: none;
  }

  .container {
    width: min(1280px, 92%);
    margin-right: auto;
    margin-left: auto;
  }

  .section {
    padding: var(--space-section) 0;
    position: relative;
  }

  .section-head {
    max-width: 820px;
    margin-bottom: 48px;
  }

  .section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(76, 201, 240, 0.1);
    border: 1px solid rgba(76, 201, 240, 0.22);
    color: var(--brand-2);
    border-radius: 999px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .08em;
    margin-bottom: 18px;
  }

  .section-title {
    font-size: clamp(28px, 3.4vw, 42px);
    color: var(--text);
  }

  .section-sub {
    color: var(--muted);
    font-size: 17px;
    margin-top: 16px;
  }

  .text-gold {
    color: var(--gold);
  }

  .text-gradient {
    background: linear-gradient(106deg, #85c6ff, #4cc9f0 45%, #ffd58a);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    padding: 15px 30px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: box-shadow .25s ease, transform .2s ease, background .25s ease, border-color .25s ease, color .25s ease;
    white-space: nowrap;
    min-height: 46px;
  }

  .btn-primary {
    background: linear-gradient(120deg, #f3b13e, #f8c465);
    color: #0a1428;
    box-shadow: var(--shadow-gold);
  }

  .btn-primary:hover {
    color: #0a1428;
    box-shadow: 0 12px 44px rgba(248, 196, 101, .36);
    transform: translateY(-2px);
  }

  .btn-secondary {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(201, 220, 255, 0.25);
    color: #d7e5ff;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    transform: translateY(-2px);
  }

  .btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.18);
    color: #cbd8ef;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
  }

  /* Header dock */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 80;
    pointer-events: none;
  }

  .dock-shell {
    max-width: 1260px;
    margin: 0 auto;
    padding: 16px 20px 0;
  }

  .dock {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 22px;
    background: rgba(8, 16, 33, 0.78);
    border: 1px solid rgba(147, 184, 255, 0.18);
    box-shadow: 0 10px 30px rgba(2, 8, 20, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    padding: 10px 14px 10px 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  }

  .site-header.scrolled .dock {
    background: rgba(6, 13, 27, 0.92);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 21px;
    letter-spacing: -0.02em;
    color: #fff;
    flex-shrink: 0;
  }

  .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(145deg, #2f7bff, #42b3ff);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(47, 123, 255, 0.38);
    flex: none;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 10px;
  }

  .nav-link {
    padding: 8px 14px;
    border-radius: 999px;
    color: #c1d1ea;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
    transition: background .25s ease, color .25s ease;
  }

  .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-link.active {
    color: #071124;
    background: linear-gradient(120deg, #d7e6ff, #cfdfff);
    font-weight: 600;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-left: auto;
  }

  .btn-nav {
    min-height: 44px;
    padding: 12px 22px;
    font-size: 15px;
  }

  .burger {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    transition: background .25s ease;
    padding: 0;
  }

  .burger span {
    width: 18px;
    height: 2px;
    border-radius: 9px;
    background: #dbe6fa;
    transition: transform .25s ease, opacity .2s ease;
  }

  .burger.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .burger.open span:nth-child(2) {
    opacity: 0;
  }

  .burger.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  /* Category hero */
  .page-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 72vh;
    padding: 150px 0 105px;
    overflow: hidden;
    isolation: isolate;
  }

  .hero-media {
    position: absolute;
    inset: 0;
    z-index: -3;
    background-size: cover;
    background-position: center;
    filter: saturate(0.9);
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
      radial-gradient(700px 380px at 18% 25%, rgba(47, 123, 255, 0.2), transparent 70%),
      radial-gradient(720px 420px at 82% 30%, rgba(245, 181, 68, 0.12), transparent 70%),
      linear-gradient(105deg, rgba(4, 9, 20, 0.92) 0%, rgba(5, 13, 28, 0.76) 55%, rgba(9, 20, 42, 0.85) 100%);
  }

  .page-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 150px;
    z-index: -1;
    background: linear-gradient(180deg, transparent, rgba(5, 11, 24, 0.7) 40%, var(--bg-deep));
  }

  .hero-inner {
    max-width: 930px;
  }

  .hero-inner .eyebrow {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    color: #fae2ba;
  }

  .hero-title {
    font-size: clamp(35px, 5vw, 58px);
    margin: 8px 0 22px;
  }

  .hero-copy {
    color: #c3d4ee;
    font-size: 17px;
    max-width: 720px;
    margin-top: 10px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 36px;
  }

  .hero-meta-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 52px;
    padding-top: 24px;
    border-top: 1px solid rgba(151, 185, 255, 0.14);
    color: var(--muted);
  }

  .meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
  }

  .meta-chip::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 12px rgba(53, 212, 186, 0.8);
  }

  /* Intro angle */
  .intro-wrap {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 70px;
    align-items: center;
  }

  .intro-heading {
    font-size: clamp(27px, 3.3vw, 40px);
    margin: 0 0 24px;
  }

  .intro-paragraph {
    color: var(--muted);
    font-size: 16px;
    margin-top: 20px;
    max-width: 620px;
  }

  .intro-points {
    display: grid;
    gap: 15px;
    margin-top: 36px;
  }

  .intro-point {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 18px 20px;
  }

  .intro-point i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 12px;
    background: rgba(47, 123, 255, 0.14);
    color: var(--brand-2);
    font-style: normal;
    font-weight: 700;
  }

  .intro-point strong {
    display: block;
    color: #e7eefb;
    font-weight: 600;
    font-size: 16px;
  }

  .intro-point span {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
  }

  .introduce-panel {
    display: grid;
    gap: 18px;
  }

  .reason-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
  }

  .reason-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  }

  .reason-number {
    font-family: var(--font-num);
    font-size: 44px;
    font-weight: 700;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(98, 167, 255, 0.55);
    margin-bottom: 16px;
  }

  .reason-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .reason-card p {
    color: var(--muted);
    font-size: 15px;
  }

  /* Two step explanatory blocks */
  .guiding-section {
    background:
      radial-gradient(500px 340px at 82% 8%, rgba(47, 123, 255, 0.1), transparent 65%),
      linear-gradient(180deg, #081122, #060d1e);
    border-top: 1px solid rgba(151, 185, 255, 0.08);
    border-bottom: 1px solid rgba(151, 185, 255, 0.08);
  }

  .step-layout {
    display: grid;
    gap: 26px;
    grid-template-columns: 1fr 1fr;
    margin-top: 20px;
  }

  .step-block {
    border-radius: var(--r-lg);
    border: 1px solid rgba(151, 185, 255, 0.16);
    background: rgba(255, 255, 255, 0.05);
    padding: 36px 34px;
    position: relative;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .step-block::after {
    content: "";
    position: absolute;
    width: 56px;
    height: 56px;
    right: 28px;
    top: 28px;
    border-radius: 18px;
    background: rgba(47, 123, 255, 0.1);
    filter: blur(20px);
    z-index: 0;
  }

  .step-num {
    font-family: var(--font-num);
    font-size: 15px;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 26px;
  }

  .step-block h3 {
    font-size: 22px;
    margin-bottom: 14px;
  }

  .step-block p {
    color: var(--muted);
    margin-bottom: 18px;
    max-width: 470px;
  }

  .step-list {
    display: grid;
    gap: 12px;
    color: #cfddf2;
    font-size: 15px;
  }

  .step-list li {
    position: relative;
    padding-left: 26px;
  }

  .step-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 12px;
    height: 12px;
    border: 2px solid var(--brand-2);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(76, 201, 240, 0.25);
  }

  /* Speed check table */
  .table-wrap {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, 0.035);
    margin-top: 20px;
  }

  .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
    font-size: 15px;
  }

  thead {
    background: rgba(76, 201, 240, 0.13);
  }

  th {
    text-align: left;
    padding: 16px 22px;
    color: #d3eaff;
    font-weight: 600;
    letter-spacing: .02em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
  }

  td {
    padding: 18px 22px;
    border-bottom: 1px solid rgba(151, 185, 255, 0.1);
    color: #c3d2e8;
    vertical-align: top;
  }

  tbody tr:last-child td {
    border-bottom: 0;
  }

  tbody tr {
    transition: background .2s ease;
  }

  tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
  }

  td strong {
    color: var(--text);
  }

  .tag {
    display: inline-block;
    padding: 3px 11px;
    border-radius: 999px;
    background: rgba(245, 181, 68, 0.13);
    border: 1px solid rgba(245, 181, 68, 0.25);
    color: #ffd995;
    font-size: 13px;
    line-height: 1.7;
    white-space: nowrap;
  }

  /* Scene tile cards */
  .scene-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-top: 36px;
  }

  .scene-card {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-elev);
    display: flex;
    flex-direction: column;
    transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
  }

  .scene-card:hover {
    transform: translateY(-6px);
    border-color: rgba(120, 184, 255, 0.45);
    box-shadow: var(--shadow-glow);
  }

  .scene-thumb {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #0a1322;
  }

  .scene-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .scene-card:hover .scene-thumb img {
    transform: scale(1.04);
  }

  .scene-body {
    padding: 24px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .scene-body h3 {
    font-size: 19px;
    margin-bottom: 10px;
  }

  .scene-body p {
    color: var(--muted);
    font-size: 14px;
    flex: 1;
  }

  .scene-more {
    margin-top: 20px;
    color: var(--brand-2);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .scene-more:hover {
    color: #8ddcff;
  }

  /* Status flow */
  .status-area {
    background: radial-gradient(500px 260px at 12% 20%, rgba(47, 123, 255, 0.12), transparent 55%), var(--bg-base);
    border-top: 1px solid rgba(151, 185, 255, 0.09);
    border-bottom: 1px solid rgba(151, 185, 255, 0.09);
  }

  .status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .status-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(151, 185, 255, 0.14);
    border-radius: var(--r-md);
    padding: 28px 26px;
    position: relative;
    overflow: hidden;
  }

  .status-card::after {
    content: "";
    position: absolute;
    right: -30px;
    top: -30px;
    width: 110px;
    height: 110px;
    background: rgba(47, 123, 255, 0.1);
    filter: blur(32px);
    border-radius: 50%;
  }

  .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    vertical-align: 1px;
  }

  .status-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .status-card p {
    color: var(--muted);
    font-size: 15px;
  }

  .dot-wait {
    background: #ffcf6b;
    box-shadow: 0 0 12px rgba(255, 207, 107, 0.45);
  }

  .dot-run {
    background: var(--brand-2);
    box-shadow: 0 0 12px rgba(76, 201, 240, 0.5);
  }

  .dot-done {
    background: var(--mint);
    box-shadow: 0 0 12px rgba(53, 212, 186, 0.45);
  }

  /* Bicolor note */
  .notice-panel {
    max-width: 930px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
    border: 1px solid rgba(245, 181, 68, 0.26);
    border-radius: var(--r-lg);
    padding: 34px 36px;
    text-align: center;
    position: relative;
  }

  .notice-panel::before {
    content: "";
    position: absolute;
    left: 30px;
    right: 30px;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 213, 151, 0.9), transparent);
  }

  .notice-panel h3 {
    font-size: 21px;
    margin-bottom: 12px;
    color: #f4dfbd;
  }

  .notice-panel p {
    color: var(--muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }

  /* FAQ */
  .faq-section {
    background: var(--bg-base);
  }

  .faq-container {
    max-width: 880px;
    margin: 20px auto 0;
    display: grid;
    gap: 16px;
  }

  .faq-item {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(151, 185, 255, 0.14);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: background .22s ease, border-color .22s ease;
  }

  .faq-item.open {
    background: rgba(255, 255, 255, 0.075);
    border-color: rgba(117, 180, 255, 0.35);
  }

  .faq-q {
    width: 100%;
    background: transparent;
    border: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 22px;
    cursor: pointer;
    color: #e0e9fa;
    font-size: 16px;
    font-weight: 500;
    text-align: left;
  }

  .faq-q:hover {
    color: #fff;
  }

  .faq-icon {
    display: inline-block;
    position: relative;
    width: 22px;
    height: 22px;
    flex: none;
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    background: #a8bddd;
    border-radius: 9px;
    transition: background .2s, transform .25s;
  }

  .faq-icon::before {
    width: 12px;
    height: 2px;
    left: 5px;
    top: 10px;
  }

  .faq-icon::after {
    width: 2px;
    height: 12px;
    left: 10px;
    top: 5px;
  }

  .faq-item.open .faq-icon::after {
    transform: scaleY(0);
    background: #89bfe0;
  }

  .faq-item.open .faq-icon::before {
    background: #89bfe0;
  }

  .faq-answer {
    padding: 0 22px;
    max-height: 0;
    overflow: hidden;
    color: var(--muted);
    font-size: 15px;
    transition: max-height .25s ease, padding .25s ease;
  }

  .faq-answer p {
    padding-bottom: 22px;
  }

  /* CTA */
  .cta-panel {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 28px;
    overflow: hidden;
    padding: 68px 42px;
    border: 1px solid rgba(120, 174, 255, 0.25);
    background:
      radial-gradient(540px 240px at 80% 0%, rgba(47, 123, 255, 0.22), transparent 68%),
      radial-gradient(420px 220px at 10% 90%, rgba(245, 181, 68, 0.15), transparent 65%),
      linear-gradient(145deg, #0e1b36, #091223);
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    inset: 16px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
  }

  .cta-panel h2 {
    font-size: clamp(26px, 3vw, 34px);
    color: #fff;
    margin-bottom: 16px;
  }

  .cta-panel p {
    color: var(--muted);
    max-width: 620px;
    margin: 0 auto 30px;
  }

  /* Footer */
  .site-footer {
    border-top: 1px solid rgba(151, 185, 255, 0.12);
    background: #040a16;
    padding-top: 74px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 0.8fr 1fr;
    gap: 42px;
    padding-bottom: 54px;
  }

  .footer-brand .brand {
    color: #f0f5ff;
  }

  .footer-brand p {
    color: var(--muted);
    font-size: 14px;
    max-width: 270px;
    margin-top: 18px;
  }

  .footer-col h4 {
    font-size: 16px;
    color: #deeaff;
    margin-bottom: 14px;
  }

  .footer-col a {
    display: block;
    color: #93a8c9;
    font-size: 14px;
    padding: 5px 0;
    width: fit-content;
  }

  .footer-col a:hover {
    color: #d7e8ff;
  }

  .footer-contact p {
    color: #93a8c9;
    font-size: 14px;
    margin-bottom: 10px;
  }

  .footer-contact span {
    color: #6e86a8;
    font-size: 13px;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(151, 185, 255, 0.11);
    padding: 24px 0;
    color: #6e86a8;
    font-size: 13px;
  }

  .footer-domain {
    font-family: var(--font-num);
    letter-spacing: .04em;
  }

  /* Mobile nav drawer */
  @media (max-width: 960px) {
    .main-nav {
      position: fixed;
      top: 92px;
      right: 18px;
      left: 18px;
      background: rgba(8, 15, 32, 0.97);
      border: 1px solid rgba(151, 185, 255, 0.2);
      border-radius: 20px;
      margin: 0;
      padding: 16px;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
      display: none;
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      max-height: calc(100vh - 120px);
      overflow-y: auto;
    }

    .main-nav.open {
      display: flex;
    }

    .nav-link {
      padding: 12px 16px;
      border-radius: 14px;
      font-size: 16px;
    }

    .nav-link.active {
      background: rgba(76, 201, 240, 0.18);
      color: #b4eaff;
    }

    .burger {
      display: inline-flex;
    }
  }

  @media (max-width: 1024px) {
    .dock-shell {
      padding-left: 14px;
      padding-right: 14px;
    }

    .page-hero {
      min-height: 62vh;
    }

    .intro-wrap {
      grid-template-columns: 1fr;
      gap: 45px;
    }

    .scene-cards {
      grid-template-columns: repeat(2, 1fr);
    }

    .status-grid {
      grid-template-columns: 1fr 1fr;
    }

    .footer-top {
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
    }

    .footer-col:last-child {
      grid-column: 1 / 4;
    }
  }

  @media (max-width: 768px) {
    :root {
      --space-section: 78px;
    }

    .dock {
      border-radius: 24px;
      padding-left: 16px;
    }

    .brand {
      font-size: 18px;
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      border-radius: 10px;
      font-size: 16px;
    }

    .btn-nav {
      min-width: 0;
      padding: 10px 16px;
      font-size: 14px;
    }

    .hero-title {
      font-size: 34px;
    }

    .page-hero {
      min-height: 65vh;
      padding: 120px 0 80px;
    }

    .step-layout {
      grid-template-columns: 1fr;
    }

    .scene-cards {
      grid-template-columns: 1fr;
    }

    .status-grid {
      grid-template-columns: 1fr;
    }

    .footer-top {
      grid-template-columns: 1fr;
      gap: 34px;
    }

    .footer-col:last-child {
      grid-column: auto;
    }
  }

  @media (max-width: 520px) {
    :root {
      --space-section: 66px;
    }

    .section-title {
      font-size: 26px;
    }

    .dock {
      gap: 10px;
      padding-right: 8px;
      padding-left: 12px;
      border-radius: 22px;
    }

    .dock-shell {
      padding-left: 10px;
      padding-right: 10px;
      padding-top: 10px;
    }

    .site-header .brand {
      gap: 7px;
      font-size: 16px;
    }

    .site-header .brand-icon {
      width: 28px;
      height: 28px;
      font-size: 14px;
      border-radius: 8px;
    }

    .btn-nav {
      font-size: 13px;
      padding: 9px 13px;
      min-height: 40px;
    }

    .hero-title {
      font-size: 30px;
    }

    .hero-copy {
      font-size: 15px;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .btn {
      width: 100%;
    }

    .intro-point {
      padding: 16px;
    }

    .step-block {
      padding: 26px 20px;
    }

    .section-head {
      margin-bottom: 34px;
    }

    .notice-panel {
      padding: 28px 20px;
    }

    .cta-panel {
      padding: 48px 20px;
    }

    .cta-panel .btn {
      width: auto;
    }
  }

/* roulang page: category3 */
:root{
  --bg-deep:#050b18;
  --bg-base:#091224;
  --bg-elev:#101e35;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.1);
  --stroke-hover:rgba(47,129,255,.4);
  --brand:#2f81ff;
  --brand-2:#4ec8f5;
  --gold:#f4bc50;
  --green:#33d6a5;
  --red:#ff7283;
  --text:#edf2fe;
  --muted:#8fa2c0;
  --title-weight:700;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC","Inter",sans-serif;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-dock:0 8px 24px rgba(0,0,0,.28);
  --shadow-card:0 14px 40px rgba(2,6,18,.28);
  --space-section:104px;
  --container:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(circle at 20% -10%,rgba(47,129,255,.1),transparent 32%),
    radial-gradient(circle at 80% 20%,rgba(78,200,245,.08),transparent 26%),
    var(--bg-deep);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,border-color .2s}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;width:100%}
section{position:relative}

/* Dock Header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  padding:16px 24px 0;
  transition:padding .3s ease;
}
.site-header.scrolled{padding-top:8px}
.dock-shell{max-width:1240px;margin:0 auto}
.dock{
  display:flex;
  align-items:center;
  gap:12px;
  background:rgba(8,16,32,.68);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-pill);
  padding:8px 12px 8px 20px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-dock);
  transition:background .3s,padding .3s,box-shadow .3s;
}
.site-header.scrolled .dock{
  background:rgba(6,12,24,.82);
  padding-top:6px;padding-bottom:6px;
  box-shadow:0 12px 32px rgba(0,0,0,.36);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:var(--title-weight);
  font-size:20px;
  letter-spacing:.5px;
  white-space:nowrap;
  color:#fff;
}
.brand-icon{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,#2f81ff,#4ec8f5);
  color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 0 18px rgba(47,129,255,.45);
}
.main-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-link{
  display:inline-block;
  padding:8px 16px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:rgba(237,242,254,.76);
  font-weight:500;
  transition:all .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(47,129,255,.22),rgba(78,200,245,.14));
  box-shadow:inset 0 0 0 1px rgba(78,200,245,.24),0 0 14px rgba(47,129,255,.12);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;cursor:pointer;font-family:var(--font);
  font-weight:600;line-height:1;transition:all .24s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#f5bd4f,#e79a2f);
  color:#10141f;
  padding:12px 24px;
  border-radius:var(--radius-pill);
  box-shadow:0 0 0 1px rgba(255,215,140,.28),0 6px 22px rgba(231,154,47,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(255,220,150,.45),0 10px 30px rgba(231,154,47,.4);
}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-outline:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(47,129,255,.5);
}
.btn-nav{padding:9px 18px;font-size:14px}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  color:var(--text);
  padding:12px 24px;
  border-radius:var(--radius-pill);
}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.28)}
.btn-outline{
  background:transparent;border:1px solid rgba(47,129,255,.5);
  color:#cfe1ff;padding:11px 22px;border-radius:var(--radius-pill);
}
.btn-outline:hover{background:rgba(47,129,255,.08);box-shadow:0 0 18px rgba(47,129,255,.25)}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger span{width:18px;height:2px;background:#fff;border-radius:4px;transition:all .3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.page-hero{
  position:relative;
  padding:172px 0 88px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(circle at 12% 18%,rgba(47,129,255,.36),transparent 40%),
    radial-gradient(circle at 85% 32%,rgba(78,200,245,.18),transparent 44%),
    radial-gradient(circle at 50% 92%,rgba(244,188,80,.14),transparent 42%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,rgba(5,11,24,.96) 0%,rgba(5,11,24,.82) 45%,rgba(5,11,24,.45) 100%),
    linear-gradient(180deg,rgba(5,11,24,.08),rgba(5,11,24,.72));
}
.page-hero .container{max-width:1180px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:rgba(47,129,255,.12);
  border:1px solid rgba(47,129,255,.32);
  color:#92bdff;
  font-size:14px;
  font-weight:500;
  margin-bottom:20px;
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 0 rgba(51,214,165,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(51,214,165,.6)}
  70%{box-shadow:0 0 0 9px rgba(51,214,165,0)}
  100%{box-shadow:0 0 0 0 rgba(51,214,165,0)}
}
.page-hero h1{
  font-size:clamp(38px,6vw,64px);
  font-weight:var(--title-weight);
  line-height:1.12;
  letter-spacing:-.5px;
  max-width:960px;
  margin-bottom:18px;
}
.page-hero h1 .grad{background:linear-gradient(120deg,#8ab9ff,#4ec8f5 55%,#f4bc50);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{
  max-width:850px;
  font-size:17px;
  line-height:1.85;
  color:rgba(237,242,254,.82);
  margin-bottom:36px;
}
.hero-desc strong{color:#fff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  width:34px;height:54px;border:1px solid rgba(255,255,255,.18);
  border-radius:20px;opacity:.7;display:flex;justify-content:center;
}
.hero-scroll:after{content:"";width:4px;height:10px;border-radius:3px;background:rgba(255,255,255,.55);margin-top:9px;animation:wander 1.6s infinite}
@keyframes wander{0%{transform:translateY(0);opacity:.5}50%{transform:translateY(12px);opacity:1}100%{transform:translateY(0);opacity:.5}}

/* Metric */
.metric-band{
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
  background:rgba(255,255,255,.02);
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  padding:28px 0;
}
.metric-item{
  display:flex;
  align-items:center;
  gap:14px;
}
.metric-num{
  font-size:clamp(26px,3vw,40px);
  font-weight:700;
  letter-spacing:-.5px;
  background:linear-gradient(135deg,#fff,#a7c7ff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1.15;
}
.metric-num.gold{background:linear-gradient(135deg,#ffe6a4,#f4bc50);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.metric-label{font-size:14px;color:var(--muted);line-height:1.5}

/* Section head */
.section{padding:var(--space-section) 0}
.section-head{max-width:900px;margin-bottom:56px}
.section-head .eyebrow{
  display:inline-block;
  color:#85b7ff;
  letter-spacing:.08em;
  font-size:13px;
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3.6vw,34px);line-height:1.3;margin-bottom:14px;font-weight:700}
.section-head p{color:var(--muted);font-size:16px;max-width:720px}

/* Levels */
.levels-wrap{
  background:
    radial-gradient(circle at 80% 35%,rgba(47,129,255,.13),transparent 31%),
    linear-gradient(180deg,rgba(8,15,30,.8),var(--bg-deep));
  border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.levels-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.level-card{
  padding:34px 28px 32px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.11);
  position:relative;
  overflow:hidden;
  transition:all .3s ease;
}
.level-card:hover{
  transform:translateY(-6px);
  border-color:rgba(78,200,245,.35);
  box-shadow:0 18px 42px rgba(3,8,24,.45),0 0 30px rgba(47,129,255,.12);
}
.level-card .lv-icon{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:700;
  background:linear-gradient(135deg,#2f81ff,#4ec8f5);
  box-shadow:0 8px 22px rgba(47,129,255,.3);
  margin-bottom:24px;
  color:#fff;
}
.level-card .lv-icon.gold{background:linear-gradient(135deg,#f6bd4e,#d98a2c);box-shadow:0 8px 22px rgba(244,188,80,.28)}
.level-card .lv-icon.green{background:linear-gradient(135deg,#39b995,#2bb88a);box-shadow:0 8px 22px rgba(51,214,165,.22)}
.level-card h3{font-size:22px;margin-bottom:8px}
.level-card .sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.level-card .lv-point{
  font-size:14px;
  padding:9px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px dashed rgba(255,255,255,.16);
  display:inline-block;
  margin-bottom:20px;
  color:#d5e3fa;
}
.level-card ul{display:grid;gap:12px}
.level-card li{color:rgba(237,242,254,.82);font-size:15px;padding-left:26px;position:relative;line-height:1.65}
.level-card li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:700}
.level-card li.dim-opacity{opacity:.46}

/* Detail Alternate */
.benefits-detail{padding:var(--space-section) 0}
.benefit-item{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:70px;
  align-items:center;
  margin-bottom:76px;
}
.benefit-item.reverse .benefit-media{order:2}
.benefit-copy h3{font-size:22px;margin-bottom:14px;line-height:1.45}
.benefit-copy h3 em{font-style:normal;color:var(--gold)}
.benefit-copy p{color:rgba(237,242,254,.76);font-size:16px}
.benefit-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-card);
  background:#0a1424;
  position:relative;
}
.benefit-media:before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(5,11,24,.66));
  z-index:1;
  pointer-events:none;
}
.benefit-media img{width:100%;height:340px;object-fit:cover}
.benefit-note{
  position:absolute;left:18px;bottom:18px;z-index:2;
  font-size:14px;
  background:rgba(5,11,24,.4);
  border:1px solid rgba(255,255,255,.15);
  padding:8px 14px;
  border-radius:var(--radius-pill);
  backdrop-filter:blur(10px);
  color:#dce8fb;
}

/* Scenes */
.scenes-area{
  background:
    radial-gradient(circle at 12% 30%,rgba(47,129,255,.16),transparent 35%),
    linear-gradient(0deg,rgba(5,11,24,.4),var(--bg-base));
  border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
  padding:var(--space-section) 0;
}
.scenes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.scene-card{
  display:flex;
  gap:20px;
  padding:26px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--stroke);
  transition:all .25s ease;
}
.scene-card:hover{background:rgba(255,255,255,.06);border-color:rgba(47,129,255,.35)}
.scene-icon{
  width:52px;height:52px;
  flex:none;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,129,255,.15);
  border:1px solid rgba(47,129,255,.3);
  color:#7db2ff;
  font-size:22px;
  font-weight:700;
}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:15px}

/* Latest note */
.latest-note{
  padding:60px 0 0;
}
.latest-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 30px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  border:1px dashed rgba(47,129,255,.36);
}
.latest-inner .lf{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--muted);
  font-size:15px;
}
.latest-inner .lf i{display:flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:10px;background:rgba(47,129,255,.12);border:1px solid rgba(47,129,255,.35);color:#79b2ff;font-style:normal;font-weight:700}
.latest-inner strong{color:var(--text)}

/* FAQ */
.faq-wrap{padding:var(--space-section) 0 40px}
.faq-container{max-width:960px;margin:0 auto}
.faq-item{
  border:1px solid var(--stroke);
  border-radius:var(--radius-md);
  background:var(--panel);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .2s,background .2s;
}
.faq-item.open{background:rgba(255,255,255,.07);border-color:rgba(78,200,245,.3)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:17px;
  font-weight:550;
  font-family:var(--font);
  cursor:pointer;
  text-align:left;
  transition:color .2s;
}
.faq-q:hover{color:#9cc3ff}
.faq-icon{
  flex:none;
  width:30px;height:30px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#a2c4ff;
  font-size:20px;
  font-weight:300;
  transition:transform .3s,background .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(47,129,255,.22);border-color:rgba(47,129,255,.5)}
.faq-a{max-height:0;padding:0 26px;overflow:hidden;transition:max-height .3s ease,padding .3s ease;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:420px;padding:0 26px 24px}

/* CTA panel */
.cta-zone{padding:0 0 var(--space-section)}
.cta-panel{
  border-radius:28px;
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
  background:linear-gradient(140deg,rgba(47,129,255,.2),rgba(78,200,245,.06) 44%,rgba(244,188,80,.13));
  border:1px solid rgba(119,182,255,.32);
  box-shadow:0 0 0 1px rgba(5,11,24,.3),0 24px 64px rgba(0,8,24,.4),inset 0 1px 0 rgba(255,255,255,.12);
}
.cta-panel:before{
  content:"";
  position:absolute;
  width:360px;height:360px;
  background:radial-gradient(circle,rgba(47,129,255,.32),transparent 68%);
  top:-100px;left:-80px;pointer-events:none;
}
.cta-panel:after{
  content:"";
  position:absolute;
  width:280px;height:280px;
  background:radial-gradient(circle,rgba(244,188,80,.3),transparent 65%);
  right:-60px;bottom:-120px;pointer-events:none;
}
.cta-panel .container{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(24px,3.6vw,38px);margin-bottom:16px;line-height:1.4}
.cta-panel p{color:rgba(237,242,254,.8);margin-bottom:34px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-links{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
}
.cta-links a{
  color:#a8c4ea;
  font-size:14px;
}
.cta-links a:hover{color:#fff}
.sep-dot{color:rgba(255,255,255,.22);font-size:14px}

/* Footer */
.site-footer{
  border-top:1px solid rgba(255,255,255,.07);
  background:linear-gradient(180deg,rgba(7,13,25,.97),var(--bg-deep));
  padding:68px 0 30px;
}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr 1fr 1.2fr;gap:54px;padding-bottom:46px}
.footer-brand .brand{font-size:23px;margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;max-width:300px}
.footer-col h4{font-size:16px;margin-bottom:18px;color:#fff;font-weight:600}
.footer-col a{display:block;color:var(--muted);font-size:14px;line-height:2.15;transition:color .2s}
.footer-col a:hover{color:#8db9ff}
.footer-contact p,.footer-contact span{color:var(--muted);font-size:14px;display:block;line-height:1.8}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.08);
  color:rgba(237,242,254,.45);
  font-size:14px;
}
.footer-domain{color:rgba(237,242,254,.3);font-family:"SFMono-Regular","Inter",Consolas,monospace}

@media(max-width:1100px){
  .levels-row{gap:18px}
  .level-card{padding:28px 20px}
  .metric-grid{gap:18px}
  .footer-top{gap:32px}
}
@media(max-width:992px){
  :root{--space-section:76px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .levels-row{grid-template-columns:repeat(2,1fr)}
  .benefit-item,.benefit-item.reverse{grid-template-columns:1fr;gap:36px}
  .benefit-media img{height:280px}
  .scenes-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  body{font-size:15px}
  .container{padding:0 20px}
  .site-header{padding:12px 12px 0}
  .dock{padding:8px 10px 8px 16px;background:rgba(6,14,28,.9);border-radius:22px}
  .nav-actions .btn-nav{display:none}
  .main-nav{
    display:none;
    position:fixed;
    top:68px;
    left:16px;
    right:16px;
    background:rgba(8,16,30,.96);
    border:1px solid rgba(255,255,255,.12);
    border-radius:20px;
    padding:16px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    backdrop-filter:blur(18px);
    box-shadow:0 20px 50px rgba(0,0,0,.5);
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{display:block;padding:13px 18px;text-align:center}
  .burger{display:flex}
  .page-hero{padding:148px 0 70px}
  .page-hero::after{background:rgba(5,11,24,.55)}
  .hero-desc{font-size:16px}
  .page-hero h1{font-size:clamp(30px,9vw,44px)}
  .benefit-item,.benefit-item.reverse{margin-bottom:60px}
  .levels-row,.scenes-grid{grid-template-columns:1fr}
  .cta-panel{padding:46px 22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .latest-inner{align-items:flex-start;flex-direction:column}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  :root{--space-section:56px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:16px;padding:22px 0}
  .brand .brand-name{font-size:18px}
  .page-hero{padding:132px 0 52px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .benefit-note{font-size:12px;left:12px;bottom:12px}
  .benefit-media img{height:220px}
  .level-card{padding:26px 18px}
  .metric-item{display:block}
  .metric-label{margin-top:5px}
  .latest-inner{flex-direction:column;align-items:flex-start;padding:20px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a,.faq-item.open .faq-a{padding-left:18px;padding-right:18px}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
}