/* roulang page: index */
:root{
      --bg:#08111f;--bg-deep:#050b14;--panel:rgba(16,31,51,.72);--panel-strong:#10233a;
      --panel-soft:rgba(20,42,66,.56);--line:rgba(133,185,205,.18);--line-bright:rgba(75,224,208,.52);
      --text:#eaf1f7;--muted:#9bafc1;--muted-2:#71879b;--aqua:#4be0d0;--aqua-dark:#2db9af;
      --violet:#8f7cff;--coral:#e68a82;--success:#68cfad;--shadow:0 24px 70px rgba(0,0,0,.27);
      --shadow-glow:0 0 0 1px rgba(75,224,208,.14),0 10px 38px rgba(35,193,180,.17);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --radius-lg:24px;--radius-md:18px;--radius-sm:12px;--container:1240px;
      --ease:220ms cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.72;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:
      radial-gradient(circle at 76% 4%,rgba(55,182,188,.16),transparent 24rem),
      radial-gradient(circle at 14% 37%,rgba(97,77,182,.1),transparent 25rem),
      linear-gradient(180deg,#08111f 0%,#0b1627 48%,#07101c 100%)}
    body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.25;background-image:radial-gradient(rgba(128,190,210,.35) .6px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,black,transparent 78%)}
    a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
    button,input,select,textarea{font:inherit}
    button{border:0}
    img{max-width:100%;display:block}
    ::selection{background:rgba(75,224,208,.3);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .section{padding:102px 0;position:relative}
    .section-head{max-width:700px;margin-bottom:40px}
    .eyebrow,.chip,.meta-pill,.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;color:#b8cbd8;background:rgba(11,28,46,.62);font-size:12px;line-height:1;padding:8px 11px}
    .eyebrow{color:var(--aqua);border-color:rgba(75,224,208,.25);letter-spacing:.08em}
    .eyebrow i,.online-dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--text);line-height:1.18;font-weight:650;letter-spacing:-.035em}
    h1{font-size:clamp(2.5rem,5vw,5.1rem);max-width:880px;margin:22px 0}
    h2{font-size:clamp(1.85rem,3vw,3rem);margin-bottom:15px}
    h3{font-size:1.12rem;margin-bottom:8px}
    p{color:var(--muted)}
    .section-head p{max-width:650px;margin-bottom:0}
    .btn{min-height:46px;border-radius:12px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:650;font-size:14px;transition:all var(--ease)}
    .btn-primary{color:#042220;background:var(--aqua);box-shadow:0 7px 26px rgba(75,224,208,.23)}
    .btn-primary:hover{background:#76eee0;color:#021715;transform:translateY(-2px);box-shadow:0 12px 32px rgba(75,224,208,.32)}
    .btn-primary:active{transform:translateY(0);background:var(--aqua-dark)}
    .btn-ghost{color:var(--text);background:rgba(18,38,60,.55);border:1px solid var(--line)}
    .btn-ghost:hover{color:var(--aqua);border-color:var(--line-bright);background:rgba(28,60,78,.66);transform:translateY(-2px)}
    .btn-text{padding:0;color:var(--aqua);min-height:auto;background:transparent}
    .btn-text:hover{color:#9af7ed;transform:translateX(3px)}
    :focus-visible{outline:2px solid var(--aqua);outline-offset:3px}
    .glass{background:linear-gradient(145deg,rgba(22,44,68,.76),rgba(10,24,42,.68));border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(15px)}
    .site-header{height:75px;position:sticky;top:0;z-index:100;background:rgba(6,15,27,.74);backdrop-filter:blur(18px);border-bottom:1px solid rgba(143,183,204,.13)}
    .toolbar{height:75px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:16px;font-weight:700;letter-spacing:-.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px;position:relative;background:linear-gradient(135deg,var(--aqua),#3185a2);box-shadow:0 0 21px rgba(75,224,208,.3)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(3,29,36,.72);border-radius:3px}
    .brand-mark:before{inset:6px 11px 6px 6px}.brand-mark:after{inset:11px 6px 6px 11px}
    .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .main-nav a{height:40px;padding:0 11px;display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;border-radius:9px}
    .main-nav a svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}
    .main-nav a:hover{color:var(--text);background:rgba(75,224,208,.07)}
    .main-nav a.active{color:var(--aqua);background:rgba(75,224,208,.1);box-shadow:inset 0 -1px 0 var(--aqua)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .online{display:flex;align-items:center;gap:7px;color:#aac1cf;font-size:12px;white-space:nowrap}
    .bell{height:38px;width:38px;display:grid;place-items:center;color:var(--muted);background:transparent;border-radius:10px}
    .bell:hover{color:var(--aqua);background:rgba(75,224,208,.09)}
    .bell svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}
    .mobile-toggle{display:none;color:var(--text);background:transparent;width:42px;height:42px}
    .notice-bar{border-bottom:1px solid rgba(143,183,204,.1);background:rgba(8,18,32,.55)}
    .notice-inner{min-height:32px;display:flex;align-items:center;justify-content:center;gap:8px;color:#859caf;font-size:12px;text-align:center}
    .notice-inner span{color:var(--aqua)}
    .hero{padding:67px 0 76px;min-height:670px;display:flex;align-items:center}
    .hero-wrap{position:relative;overflow:hidden;padding:clamp(28px,5vw,60px);border-radius:30px;background:
      linear-gradient(110deg,rgba(16,37,58,.9),rgba(9,21,38,.68) 63%,rgba(26,53,70,.62));
      border:1px solid rgba(127,195,207,.22);box-shadow:var(--shadow)}
    .hero-wrap:after{content:"";position:absolute;width:470px;height:470px;right:-110px;top:-190px;border:1px solid rgba(75,224,208,.22);border-radius:50%;box-shadow:0 0 0 42px rgba(75,224,208,.025),0 0 0 84px rgba(143,124,255,.025);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;position:relative;z-index:1}
    .hero-copy p{font-size:17px;max-width:630px;margin-bottom:25px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 30px}
    .quick-points{display:flex;flex-wrap:wrap;gap:9px}
    .quick-points span{font-size:12px;color:#bbccd8;padding:7px 10px;border-left:1px solid rgba(75,224,208,.4);background:rgba(4,13,24,.24)}
    .support-stage{padding:22px;border-radius:22px;position:relative;overflow:hidden}
    .support-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(75,224,208,.07),transparent 38%,rgba(143,124,255,.09));pointer-events:none}
    .stage-top,.stage-title,.tier-row,.stage-footer{position:relative;z-index:1}
    .stage-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .stage-top small{color:var(--muted)}
    .ring-row{display:flex;align-items:center;gap:20px;margin-bottom:21px}
    .progress-ring{width:110px;height:110px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--aqua) 0deg 252deg,rgba(116,151,172,.15) 252deg);position:relative;box-shadow:0 0 28px rgba(75,224,208,.14)}
    .progress-ring:before{content:"";width:86px;height:86px;border-radius:50%;background:#102137;position:absolute}
    .progress-ring strong,.progress-ring small{position:relative;z-index:1;display:block;text-align:center;line-height:1.15}
    .progress-ring strong{font-size:20px}.progress-ring small{font-size:10px;color:var(--muted)}
    .stage-title strong{font-size:17px;display:block;margin-bottom:4px}.stage-title span{font-size:13px;color:var(--muted)}
    .tier-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
    .tier{border:1px solid var(--line);background:rgba(5,16,29,.35);border-radius:12px;padding:12px 10px;min-height:89px}
    .tier.active{border-color:rgba(75,224,208,.55);box-shadow:inset 0 0 0 1px rgba(75,224,208,.1)}
    .tier b{display:block;font-size:12px;color:var(--text);margin-bottom:5px}.tier span{font-size:11px;color:var(--muted)}
    .stage-footer{margin-top:17px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px}
    .stage-footer small{color:var(--muted)}.stage-footer b{font-size:12px;color:var(--success)}
    .anchor-strip{display:flex;flex-wrap:wrap;gap:10px;padding-top:21px;position:relative;z-index:1}
    .anchor-strip a{font-size:12px;color:#a9c0cd;padding:7px 0;border-bottom:1px solid transparent}
    .anchor-strip a:hover{color:var(--aqua);border-color:var(--aqua)}
    .series-nav{padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .series-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:10px}
    .series-lead{padding:9px 14px;color:var(--muted);font-size:13px;display:flex;align-items:center}
    .series-link{min-height:62px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(14,31,50,.45);display:flex;flex-direction:column;justify-content:center}
    .series-link b{font-size:14px;color:var(--text)}.series-link small{font-size:11px;color:var(--muted)}
    .series-link:hover{transform:translateY(-3px);border-color:var(--line-bright);background:rgba(24,51,65,.65)}
    .feature-matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
    .feature-card{border-radius:var(--radius-md);padding:23px;position:relative;overflow:hidden;min-height:185px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(75,224,208,.5);box-shadow:var(--shadow-glow)}
    .feature-card:hover .line-icon{transform:translate(3px,-2px);color:var(--aqua)}
    .feature-main{grid-column:span 7;min-height:230px;background:linear-gradient(120deg,rgba(21,52,71,.88),rgba(13,30,49,.75))}
    .feature-main:after{content:"";position:absolute;right:-15px;bottom:-45px;width:240px;height:150px;border:1px solid rgba(75,224,208,.22);border-radius:50% 50% 0 0;transform:rotate(-16deg)}
    .feature-small{grid-column:span 5}.feature-third{grid-column:span 4}.feature-wide{grid-column:span 8}
    .card-num{color:var(--violet);font-size:12px;letter-spacing:.12em}
    .line-icon{width:30px;height:30px;display:grid;place-items:center;color:#b8d5df;margin:16px 0 13px;transition:transform var(--ease),color var(--ease)}
    .line-icon svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.45}
    .feature-card p{font-size:13px;margin:0;max-width:430px}
    .micro-status{position:absolute;right:18px;bottom:17px;color:#a8c0cb;font-size:11px;display:flex;gap:6px;align-items:center}.micro-status:before{content:"";height:5px;width:5px;background:var(--aqua);border-radius:50%}
    .spotlight{padding-top:0}
    .spotlight-track{display:flex;gap:15px;overflow-x:auto;padding:4px 2px 16px;scroll-snap-type:x proximity;scrollbar-color:rgba(75,224,208,.35) transparent}
    .spot-card{flex:0 0 272px;min-height:264px;padding:18px;position:relative;border-radius:18px;overflow:hidden;scroll-snap-align:start;background:#12263d;border:1px solid var(--line)}
    .spot-card:nth-child(2){background:#162640}.spot-card:nth-child(3){background:#1b2945}.spot-card:nth-child(4){background:#102d3d}
    .cover-grid{height:118px;margin:-18px -18px 17px;opacity:.9;background:
      linear-gradient(135deg,transparent 44%,rgba(75,224,208,.36) 45%,transparent 46%),
      repeating-linear-gradient(90deg,rgba(171,220,230,.12) 0 1px,transparent 1px 25px),
      linear-gradient(135deg,#1d4561,#13253d)}
    .spot-card:nth-child(2) .cover-grid{background:radial-gradient(circle at 70% 20%,rgba(143,124,255,.45),transparent 30%),linear-gradient(135deg,#273257,#142541)}
    .spot-card:nth-child(3) .cover-grid{background:repeating-linear-gradient(0deg,rgba(75,224,208,.12) 0 1px,transparent 1px 18px),linear-gradient(135deg,#1a4050,#16253b)}
    .spot-card:nth-child(4) .cover-grid{background:radial-gradient(circle at 30% 50%,rgba(75,224,208,.36),transparent 15%),linear-gradient(135deg,#1f334e,#15243c)}
    .spot-card h3{font-size:16px}.spot-card p{font-size:13px;line-height:1.6;margin-bottom:12px}
    .spot-card:hover{border-color:var(--line-bright);transform:translateY(-4px)}
    .spot-meta{font-size:11px;color:#9bb2c0;display:flex;justify-content:space-between}
    .scenario-stack{display:grid;gap:76px}
    .scenario{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(30px,6vw,85px);align-items:center}
    .scenario.reverse{grid-template-columns:.92fr 1.08fr}.scenario.reverse .scenario-copy{order:-1}
    .scenario-no{font-size:13px;letter-spacing:.14em;color:var(--aqua);margin-bottom:13px}
    .scenario-copy p{font-size:15px;max-width:490px}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:19px}.tag-list span{font-size:12px;color:#b8cbd8;padding:6px 10px;border:1px solid var(--line);border-radius:999px}
    .path-board{padding:25px;min-height:275px;border-radius:22px;position:relative;overflow:hidden}
    .path-board:before{content:"";position:absolute;left:51px;top:64px;bottom:53px;border-left:1px dashed rgba(75,224,208,.52)}
    .path-step{display:flex;align-items:center;gap:14px;position:relative;margin-bottom:17px}.path-step:last-child{margin:0}
    .path-dot{width:18px;height:18px;flex:0 0 18px;border-radius:50%;border:4px solid #153348;background:var(--aqua);box-shadow:0 0 14px rgba(75,224,208,.42)}
    .path-step:nth-child(3) .path-dot{background:var(--violet)}.path-step:nth-child(4) .path-dot{background:#76afc1}
    .path-step b{font-size:13px;display:block}.path-step small{font-size:12px;color:var(--muted)}
    .drawer-board{min-height:275px;padding:20px;border-radius:22px;display:grid;grid-template-columns:1fr 1.25fr;gap:15px}
    .drawer{border-right:1px solid var(--line);padding-right:14px}.drawer b{font-size:12px;color:var(--muted);display:block;margin-bottom:11px}
    .drawer span{display:block;font-size:12px;padding:8px;margin-bottom:5px;border-radius:7px;color:#abc0cc}.drawer span.active{background:rgba(75,224,208,.12);color:var(--aqua)}
    .queue-item{border:1px solid var(--line);border-radius:10px;padding:11px;margin-bottom:9px}.queue-item b{display:block;font-size:12px}.queue-item small{font-size:11px;color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:1.45fr .75fr;gap:16px}
    .case-main{padding:29px;min-height:340px;border-radius:22px;position:relative;overflow:hidden}
    .case-main:after{content:"";position:absolute;right:-40px;bottom:-80px;width:300px;height:300px;border-radius:50%;border:1px solid rgba(143,124,255,.25);box-shadow:0 0 0 35px rgba(75,224,208,.035)}
    .case-main>div{position:relative;z-index:1}.case-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.case-label span{font-size:12px;color:var(--violet)}
    .case-main p{font-size:14px;max-width:550px}.case-timeline{margin-top:24px;display:flex;gap:0}.case-timeline div{position:relative;flex:1;padding-top:20px;font-size:12px;color:#b2c7d2}.case-timeline div:before{content:"";position:absolute;top:0;left:0;width:9px;height:9px;border-radius:50%;background:var(--aqua);box-shadow:0 0 10px rgba(75,224,208,.5)}.case-timeline div:not(:last-child):after{content:"";position:absolute;top:4px;left:10px;width:calc(100% - 10px);border-top:1px solid rgba(75,224,208,.36)}
    .case-side{display:grid;gap:16px}.case-mini{padding:20px;border-radius:19px;min-height:162px}.case-mini h3{font-size:15px}.case-mini p{font-size:13px;margin-bottom:10px}.case-mini small{font-size:11px;color:var(--aqua)}
    .plans{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:16px;align-items:stretch}
    .plan{padding:26px 23px;border-radius:20px;position:relative}.plan.recommended{border-color:rgba(75,224,208,.64);box-shadow:var(--shadow-glow);transform:translateY(-9px)}
    .plan-badge{position:absolute;top:-12px;left:22px;background:var(--aqua);color:#06201f;padding:5px 10px;border-radius:999px;font-size:11px;font-weight:700}
    .plan h3{font-size:18px;margin-top:6px}.plan .plan-intro{font-size:13px;min-height:43px}.price{font-size:29px;font-weight:700;line-height:1.2;margin:18px 0 16px}.price small{font-size:12px;color:var(--muted);font-weight:400}
    .permission{list-style:none;padding:0;margin:0 0 22px}.permission li{font-size:13px;color:#bed0da;padding:8px 0;border-bottom:1px solid rgba(151,191,207,.11)}.permission li:before{content:"✓";color:var(--aqua);margin-right:8px}
    .compare-drawer{margin-top:25px;padding:17px 21px;border-radius:15px;display:flex;justify-content:space-between;gap:20px;align-items:center}.compare-drawer p{font-size:13px;margin:0}.compare-drawer strong{font-size:14px}
    .faq-wrap{max-width:900px;margin:auto}.accordion-item{background:rgba(14,30,49,.64);border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;color:var(--text)}
    .accordion-button{background:transparent;color:var(--text);box-shadow:none!important;font-weight:600;padding:19px 21px;font-size:15px}.accordion-button:not(.collapsed){background:rgba(75,224,208,.07);color:var(--aqua)}.accordion-button:after{filter:invert(90%) sepia(15%) saturate(1000%) hue-rotate(120deg);background-size:15px}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 21px 19px}.accordion-body p{margin:0}
    .cta-panel{padding:35px 39px;border-radius:24px;display:flex;align-items:center;justify-content:space-between;gap:25px;position:relative;overflow:hidden}.cta-panel:after{content:"";position:absolute;right:-60px;top:-110px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(75,224,208,.15),transparent 66%)}.cta-panel>div{position:relative;z-index:1}.cta-panel h2{font-size:clamp(1.55rem,2.5vw,2.25rem);margin:0 0 8px}.cta-panel p{margin:0;max-width:600px;font-size:14px}.cta-actions{display:flex;align-items:center;gap:18px;white-space:nowrap}
    .site-footer{border-top:1px solid var(--line);background:rgba(3,10,18,.6);padding:52px 0 23px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px;padding-bottom:40px}.footer-brand p{font-size:13px;max-width:350px;margin:14px 0 0}.footer-title{font-size:13px;color:var(--text);font-weight:700;margin-bottom:12px}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--aqua)}.footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:16px;color:#71899b;font-size:12px}.footer-bottom span:last-child{color:#8ba1ae}
    .offcanvas{background:#0a1727;color:var(--text);border-left:1px solid var(--line)}.offcanvas-header{border-bottom:1px solid var(--line)}.btn-close{filter:invert(1)}.mobile-links{display:grid;gap:8px;padding:15px 0}.mobile-links a{padding:13px;border-radius:10px;color:var(--muted);border:1px solid transparent}.mobile-links a.active,.mobile-links a:hover{color:var(--aqua);border-color:var(--line);background:rgba(75,224,208,.07)}
    @media(max-width:1199px){.main-nav{gap:0}.main-nav a{padding:0 8px}.feature-main{grid-column:span 7}.feature-small{grid-column:span 5}.feature-third{grid-column:span 6}.feature-wide{grid-column:span 6}}
    @media(max-width:991px){.main-nav{display:none}.mobile-toggle{display:block}.nav-actions .online{display:none}.hero{padding-top:45px}.hero-grid,.scenario,.scenario.reverse{grid-template-columns:1fr}.scenario.reverse .scenario-copy{order:0}.scenario-copy{order:-1}.feature-main,.feature-small,.feature-third,.feature-wide{grid-column:span 6}.case-grid{grid-template-columns:1fr}.case-side{grid-template-columns:1fr 1fr}.plans{grid-template-columns:repeat(3,1fr)}.plan{padding:23px 17px}.series-grid{grid-template-columns:1fr 1fr}.series-lead{grid-column:span 2}.section{padding:78px 0}}
    @media(max-width:767px){.site-container{width:min(100% - 32px,var(--container))}.site-header,.toolbar{height:64px}.brand{font-size:14px}.brand-mark{width:26px;height:26px}.nav-actions .btn{display:none}.notice-inner{font-size:11px;padding:5px 0}.hero{min-height:auto;padding:28px 0 50px}.hero-wrap{border-radius:22px;padding:26px 20px}.hero-copy p{font-size:15px}.hero-actions .btn{flex:1}.ring-row{gap:13px}.progress-ring{width:95px;height:95px}.progress-ring:before{width:73px;height:73px}.tier-row{gap:6px}.tier{padding:9px 7px}.tier span{font-size:10px}.series-grid{display:flex;overflow-x:auto;padding-bottom:5px}.series-lead,.series-link{flex:0 0 190px}.section{padding:61px 0}.feature-matrix{gap:11px}.feature-main,.feature-small,.feature-third,.feature-wide{grid-column:span 12px;grid-column:span 12}.feature-card{min-height:170px;padding:20px}.scenario-stack{gap:52px}.path-board,.drawer-board{min-height:250px}.case-side{grid-template-columns:1fr}.case-main{padding:23px}.case-timeline{flex-wrap:wrap;gap:13px}.case-timeline div{flex:0 0 calc(50% - 7px)}.plans{grid-template-columns:1fr;gap:14px}.plan.recommended{transform:none;order:-1}.compare-drawer{align-items:flex-start;flex-direction:column}.cta-panel{padding:27px 23px;align-items:flex-start;flex-direction:column}.cta-actions{white-space:normal;flex-wrap:wrap}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.footer-bottom{flex-direction:column}.accordion-button{font-size:14px;padding:17px}.accordion-body{padding:0 17px 17px}}
    @media(max-width:480px){h1{font-size:2.35rem}.bell{display:none}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.quick-points{display:grid;grid-template-columns:1fr 1fr}.quick-points span{font-size:11px}.support-stage{padding:16px}.tier-row{grid-template-columns:1fr}.tier{min-height:0}.tier b,.tier span{display:inline}.tier span{margin-left:5px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.drawer-board{grid-template-columns:1fr}.drawer{display:none}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* roulang page: category1 */
:root{
--bg:#08111f;--bg-deep:#050b14;--panel:rgba(16,31,51,.72);--panel-strong:#10233a;--panel-soft:rgba(20,42,66,.56);
--line:rgba(133,185,205,.18);--line-bright:rgba(75,224,208,.52);--text:#eaf1f7;--muted:#9bafc1;--muted-2:#71879b;
--aqua:#4be0d0;--aqua-dark:#2db9af;--violet:#8f7cff;--coral:#e68a82;--success:#68cfad;
--shadow:0 24px 70px rgba(0,0,0,.27);--shadow-glow:0 0 0 1px rgba(75,224,208,.14),0 10px 38px rgba(35,193,180,.17);
--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;--radius-lg:24px;--radius-md:18px;--radius-sm:12px;
--container:1240px;--ease:220ms cubic-bezier(.2,.7,.2,1)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.72;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:radial-gradient(circle at 80% 7%,rgba(55,182,188,.16),transparent 24rem),radial-gradient(circle at 12% 44%,rgba(97,77,182,.1),transparent 26rem),linear-gradient(180deg,#08111f 0%,#0b1627 48%,#07101c 100%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.22;background-image:radial-gradient(rgba(128,190,210,.34) .6px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,black,transparent 80%)}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}img{max-width:100%;display:block}button,input{font:inherit}button{border:0}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}.site-container{width:min(var(--container),calc(100% - 48px));margin:auto}.section{padding:96px 0;position:relative}
.site-header{height:75px;position:sticky;top:0;z-index:100;background:rgba(6,15,27,.74);backdrop-filter:blur(18px);border-bottom:1px solid rgba(143,183,204,.13)}
.header-inner{height:100%;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:16px;font-weight:700;letter-spacing:-.04em}
.brand-mark{width:28px;height:28px;border-radius:9px;position:relative;background:linear-gradient(135deg,var(--aqua),#3185a2);box-shadow:0 0 21px rgba(75,224,208,.3)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(3,29,36,.72);border-radius:3px}.brand-mark:before{inset:6px 11px 6px 6px}.brand-mark:after{inset:11px 6px 6px 11px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{height:40px;padding:0 11px;display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;border-radius:9px}.main-nav a svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}.main-nav a:hover{color:var(--text);background:rgba(75,224,208,.07)}.main-nav a.active{color:var(--aqua);background:rgba(75,224,208,.1);box-shadow:inset 0 -1px 0 var(--aqua)}
.nav-actions{display:flex;align-items:center;gap:10px}.online{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}.online-dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}.icon-btn{width:40px;height:40px;display:grid;place-items:center;color:var(--muted);background:transparent;border-radius:10px}.icon-btn:hover{color:var(--aqua);background:rgba(75,224,208,.08)}.icon-btn svg{width:18px;fill:none;stroke:currentColor;stroke-width:1.8}
.btn{min-height:46px;border-radius:12px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:650;font-size:14px;transition:all var(--ease)}.btn-primary{color:#042220;background:var(--aqua);box-shadow:0 7px 26px rgba(75,224,208,.23)}.btn-primary:hover{background:#76eee0;color:#021715;transform:translateY(-2px);box-shadow:0 12px 32px rgba(75,224,208,.32)}.btn-primary:active{transform:translateY(0);background:var(--aqua-dark)}.btn-ghost{color:var(--text);background:rgba(18,38,60,.55);border:1px solid var(--line)}.btn-ghost:hover{color:var(--aqua);border-color:var(--line-bright);background:rgba(28,60,78,.66);transform:translateY(-2px)}
.mobile-toggle{display:none;width:42px;height:42px;color:var(--text);background:transparent;border-radius:10px}.mobile-toggle svg{width:22px;stroke:currentColor;fill:none}.offcanvas{background:#091523;color:var(--text);border-left:1px solid var(--line)}.offcanvas-header{border-bottom:1px solid var(--line)}.btn-close{filter:invert(1)}
.eyebrow,.chip,.meta-pill,.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;color:#b8cbd8;background:rgba(11,28,46,.62);font-size:12px;line-height:1;padding:8px 11px}.eyebrow{color:var(--aqua);border-color:rgba(75,224,208,.25);letter-spacing:.08em}.eyebrow i{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}
.category-hero{padding:54px 0 40px}.category-shell{position:relative;overflow:hidden;padding:42px;min-height:340px;border:1px solid rgba(127,195,207,.22);border-radius:30px;background:linear-gradient(115deg,rgba(16,37,58,.91),rgba(9,21,38,.75) 64%,rgba(24,47,69,.67));box-shadow:var(--shadow)}.category-shell:after{content:"";position:absolute;right:-90px;bottom:-160px;width:420px;height:420px;border:1px solid rgba(75,224,208,.25);border-radius:50%;box-shadow:0 0 0 38px rgba(75,224,208,.03),0 0 0 80px rgba(143,124,255,.035)}
.breadcrumbs{position:relative;z-index:1;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}.breadcrumbs a:hover{color:var(--aqua)}.breadcrumbs span{color:var(--muted-2)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 355px;gap:48px;align-items:end}h1{font-size:clamp(32px,5vw,57px);line-height:1.14;letter-spacing:-.06em;margin:16px 0 18px;max-width:720px}.lead{max-width:700px;color:#c2d1db;font-size:16px;margin:0}.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.filter-console{padding:20px;border:1px solid var(--line);background:rgba(5,17,30,.54);border-radius:18px;backdrop-filter:blur(12px)}.console-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:13px}.console-head b{font-size:14px}.console-head span{font-size:12px;color:var(--success)}.console-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0 0;color:var(--muted);font-size:13px}.switch{width:39px;height:22px;border-radius:99px;background:rgba(75,224,208,.22);position:relative}.switch:after{content:"";position:absolute;right:3px;top:3px;width:16px;height:16px;border-radius:50%;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}.progress-line{height:5px;border-radius:99px;background:#1a3249;margin:15px 0 6px;overflow:hidden}.progress-line span{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--aqua),var(--violet))}
.filter-bar{padding:18px 0 8px;border-bottom:1px solid var(--line)}.filter-inner{display:flex;gap:10px;align-items:center;overflow:auto;padding-bottom:10px}.filter-label{white-space:nowrap;font-size:13px;color:var(--muted);margin-right:4px}.chip{white-space:nowrap;cursor:pointer;transition:all var(--ease)}.chip:hover,.chip.active{color:var(--aqua);border-color:rgba(75,224,208,.45);background:rgba(75,224,208,.1)}
.section-head{max-width:700px;margin-bottom:34px}.section-head h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.045em;margin:14px 0 10px;line-height:1.25}.section-head p{color:var(--muted);margin:0}.featured-track{display:grid;grid-template-columns:1.35fr .85fr .85fr;gap:16px}.index-card{min-height:210px;position:relative;overflow:hidden;padding:22px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);box-shadow:0 12px 35px rgba(0,0,0,.14);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}.index-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-glow)}.index-card:after{content:"";position:absolute;width:180px;height:180px;right:-58px;bottom:-76px;border-radius:50%;background:radial-gradient(circle,rgba(75,224,208,.2),transparent 65%)}.index-card:nth-child(3):after{background:radial-gradient(circle,rgba(143,124,255,.21),transparent 65%)}.card-number{font-size:12px;color:var(--aqua);letter-spacing:.12em}.index-card h3{position:relative;z-index:1;font-size:20px;margin:22px 0 7px}.index-card p{position:relative;z-index:1;color:var(--muted);font-size:13px;line-height:1.65;margin:0}.card-foot{position:absolute;left:22px;right:22px;bottom:18px;z-index:1;display:flex;justify-content:space-between;align-items:center;color:var(--muted-2);font-size:12px}.card-foot b{font-weight:500;color:var(--aqua)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:start}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.content-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:all var(--ease)}.content-card.featured{grid-column:span 2;display:grid;grid-template-columns:42% 58%;min-height:300px}.content-card:hover{border-color:var(--line-bright);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.cover{position:relative;min-height:148px;overflow:hidden;background:#10263b}.featured .cover{min-height:100%}.cover:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(75,224,208,.2),transparent 48%),linear-gradient(0deg,rgba(4,12,23,.46),transparent)}.cover:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(234,241,247,.23);border-radius:22px;left:26px;top:26px;transform:rotate(17deg);box-shadow:42px 28px 0 -1px rgba(143,124,255,.18),84px 56px 0 -1px rgba(75,224,208,.13)}.cover.violet{background:linear-gradient(135deg,#19243e,#29234b)}.cover.deep{background:linear-gradient(135deg,#0e293c,#102236)}.card-content{padding:21px}.content-card h3{font-size:19px;line-height:1.35;margin:13px 0 9px}.content-card p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}.content-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}.content-meta span:first-child{color:var(--success)}
.side-panel{position:sticky;top:96px;padding:19px;border:1px solid var(--line);border-radius:18px;background:rgba(12,27,45,.76);box-shadow:0 14px 35px rgba(0,0,0,.12)}.side-panel h3{font-size:15px;margin:0 0 14px}.filter-option{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px;cursor:pointer}.filter-option:last-child{border-bottom:0}.filter-option:hover{color:var(--aqua)}.filter-option b{font-size:11px;font-weight:500;color:var(--muted-2)}.recent{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.recent a{display:block;padding:10px 0;color:#b8cbd8;font-size:13px;line-height:1.45}.recent a:hover{color:var(--aqua)}
.neighbor-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.neighbor-card{min-height:170px;position:relative;padding:24px;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:rgba(17,35,56,.72)}.neighbor-card:before{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border:1px solid rgba(143,124,255,.32);border-radius:50%}.neighbor-card h3{font-size:20px;margin:22px 0 7px}.neighbor-card p{margin:0;color:var(--muted);font-size:13px}.neighbor-card:hover{border-color:var(--line-bright);transform:translateY(-3px)}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--text)}.accordion-item{margin-bottom:12px;overflow:hidden;background:rgba(15,33,53,.62);border:1px solid var(--line)!important;border-radius:14px!important}.accordion-button{padding:18px 20px;background:transparent!important;color:var(--text)!important;font-weight:650;font-size:15px}.accordion-button:not(.collapsed){box-shadow:none;background:rgba(75,224,208,.055)!important}.accordion-button:after{filter:invert(88%) sepia(20%) saturate(670%) hue-rotate(119deg);background-size:15px}.accordion-body{padding:0 20px 19px;color:var(--muted);font-size:14px}.accordion-body ul{margin:8px 0 0;padding-left:20px}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 38px;border-radius:22px;border:1px solid rgba(75,224,208,.3);background:linear-gradient(105deg,rgba(24,59,72,.72),rgba(20,30,58,.79));box-shadow:var(--shadow)}.cta-panel h2{font-size:27px;letter-spacing:-.04em;margin:0 0 7px}.cta-panel p{color:var(--muted);margin:0}.cta-actions{display:flex;align-items:center;gap:18px;white-space:nowrap}.text-link{font-size:13px;color:var(--aqua)}.text-link:hover{color:#a0fff3}
.site-footer{padding:65px 0 24px;margin-top:96px;border-top:1px solid var(--line);background:rgba(3,10,19,.45)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}.footer-brand p{max-width:390px;color:var(--muted);font-size:13px;margin:16px 0 0}.footer-title{font-size:13px;font-weight:700;margin:5px 0 15px}.footer-links{display:grid;gap:10px}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--aqua)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
@media(max-width:991px){.main-nav,.online{display:none}.mobile-toggle{display:grid;place-items:center;margin-left:auto}.hero-grid{grid-template-columns:1fr}.filter-console{max-width:540px}.content-layout{grid-template-columns:1fr}.side-panel{position:relative;top:auto;display:grid;grid-template-columns:1fr 1fr;gap:25px}.recent{margin:0;padding:0;border:0}.side-panel h3{margin-bottom:8px}.section{padding:74px 0}}
@media(max-width:767px){.site-container{width:min(100% - 32px,var(--container))}.site-header{height:64px}.nav-actions .btn{display:none}.category-hero{padding-top:28px}.category-shell{padding:27px 21px;border-radius:23px}.hero-grid{gap:22px}h1{font-size:35px}.featured-track{display:flex;overflow:auto;padding-bottom:10px}.index-card{min-width:270px}.content-grid{grid-template-columns:1fr}.content-card.featured{grid-column:auto;display:block}.featured .cover{min-height:185px}.side-panel{grid-template-columns:1fr}.neighbor-grid{grid-template-columns:1fr}.cta-panel{display:block;padding:27px 22px}.cta-actions{margin-top:20px;white-space:normal}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
@media(max-width:480px){.brand{font-size:14px}.brand-mark{width:26px;height:26px}.category-shell{padding:23px 17px}.section{padding:56px 0}.filter-label{display:none}.filter-bar{margin:0 -16px;padding-left:16px}.content-card h3{font-size:18px}.cta-panel h2{font-size:23px}.btn{width:100%}.cta-actions{display:grid;gap:13px}.card-content{padding:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* roulang page: category2 */
:root{
--bg:#08111f;--bg-deep:#050b14;--panel:rgba(16,31,51,.72);--panel-strong:#10233a;
--panel-soft:rgba(20,42,66,.56);--line:rgba(133,185,205,.18);--line-bright:rgba(75,224,208,.52);
--text:#eaf1f7;--muted:#9bafc1;--muted-2:#71879b;--aqua:#4be0d0;--aqua-dark:#2db9af;
--violet:#8f7cff;--coral:#e68a82;--success:#68cfad;--shadow:0 24px 70px rgba(0,0,0,.27);
--shadow-glow:0 0 0 1px rgba(75,224,208,.14),0 10px 38px rgba(35,193,180,.17);
--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
--radius-lg:24px;--radius-md:18px;--radius-sm:12px;--container:1240px;
--ease:220ms cubic-bezier(.2,.7,.2,1)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.72;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:radial-gradient(circle at 78% 5%,rgba(55,182,188,.16),transparent 25rem),radial-gradient(circle at 15% 43%,rgba(97,77,182,.11),transparent 25rem),linear-gradient(180deg,#08111f 0%,#0b1627 48%,#07101c 100%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.24;background-image:radial-gradient(rgba(128,190,210,.35) .6px,transparent .7px);background-size:18px 18px;mask-image:linear-gradient(to bottom,black,transparent 78%)}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
button,input,select,textarea{font:inherit}
button{border:0}
img{max-width:100%;display:block}
.site-container{width:min(var(--container),calc(100% - 48px));margin:auto}
.section{padding:98px 0;position:relative}
.section-head{max-width:725px;margin-bottom:40px}
.section-head h2{font-size:clamp(27px,3.3vw,42px);line-height:1.22;letter-spacing:-.055em;margin:14px 0}
.section-head p{margin:0;color:var(--muted)}
.eyebrow,.chip,.meta-pill,.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;color:#b8cbd8;background:rgba(11,28,46,.62);font-size:12px;line-height:1;padding:8px 11px}
.eyebrow{color:var(--aqua);border-color:rgba(75,224,208,.25);letter-spacing:.08em}
.eyebrow i,.online-dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}
.btn{min-height:46px;border-radius:12px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:650;font-size:14px;transition:all var(--ease)}
.btn-primary{color:#042220;background:var(--aqua);box-shadow:0 7px 26px rgba(75,224,208,.23)}
.btn-primary:hover{background:#76eee0;color:#021715;transform:translateY(-2px);box-shadow:0 12px 32px rgba(75,224,208,.32)}
.btn-primary:active{transform:translateY(0);background:var(--aqua-dark)}
.btn-ghost{color:var(--text);background:rgba(18,38,60,.55);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--aqua);border-color:var(--line-bright);background:rgba(28,60,78,.66);transform:translateY(-2px)}
.btn-text{padding:0;color:var(--aqua);min-height:auto;background:transparent}
.btn-text:hover{color:#9af7ed;transform:translateX(3px)}
.site-header{height:75px;position:sticky;top:0;z-index:100;background:rgba(6,15,27,.74);backdrop-filter:blur(18px);border-bottom:1px solid rgba(143,183,204,.13)}
.header-inner{height:100%;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:16px;font-weight:700;letter-spacing:-.04em}
.brand-mark{width:28px;height:28px;border-radius:9px;position:relative;background:linear-gradient(135deg,var(--aqua),#3185a2);box-shadow:0 0 21px rgba(75,224,208,.3)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(3,29,36,.72);border-radius:3px}
.brand-mark:before{inset:6px 11px 6px 6px}
.brand-mark:after{inset:11px 6px 6px 11px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{height:40px;padding:0 11px;display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;border-radius:9px}
.main-nav a svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}
.main-nav a:hover{color:var(--text);background:rgba(75,224,208,.07)}
.main-nav a.active{color:var(--aqua);background:rgba(75,224,208,.1);box-shadow:inset 0 -1px 0 var(--aqua)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.status-inline{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
.icon-button{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;color:var(--muted);background:rgba(18,38,60,.45);border:1px solid var(--line);transition:all var(--ease)}
.icon-button:hover{color:var(--aqua);border-color:var(--line-bright)}
.icon-button svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}
.mobile-toggle{display:none;color:var(--text);background:transparent;width:42px;height:42px}
.focus-outline:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}
.notice-bar{border-bottom:1px solid var(--line);background:rgba(6,17,30,.44)}
.notice-inner{min-height:34px;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.notice-inner strong{font-weight:600;color:#c6d7e1}
.topic-hero{padding:64px 0 52px}
.topic-shell{position:relative;overflow:hidden;min-height:430px;padding:clamp(28px,5vw,58px);border:1px solid rgba(127,195,207,.22);border-radius:30px;background:linear-gradient(125deg,rgba(14,34,54,.94),rgba(8,20,36,.77) 58%,rgba(22,41,67,.68));box-shadow:var(--shadow)}
.topic-shell:before{content:"";position:absolute;width:430px;height:430px;right:-60px;top:-140px;border:1px solid rgba(75,224,208,.26);border-radius:50%;box-shadow:0 0 0 44px rgba(75,224,208,.03),0 0 0 88px rgba(143,124,255,.035)}
.topic-shell:after{content:"";position:absolute;right:20%;bottom:-75px;width:200px;height:200px;background:radial-gradient(circle,rgba(75,224,208,.16),transparent 67%);filter:blur(9px)}
.topic-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:50px;align-items:center}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumbs span{color:var(--muted-2)}
.topic-number{font-size:12px;letter-spacing:.18em;color:var(--aqua);margin-bottom:12px}
h1{font-size:clamp(38px,5vw,64px);line-height:1.08;letter-spacing:-.075em;margin:0 0 22px;max-width:760px}
.topic-copy>p{max-width:710px;color:#c0d1dc;font-size:17px;margin:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.progress-index{padding:18px;border-radius:20px;border:1px solid var(--line);background:rgba(5,16,30,.5);backdrop-filter:blur(12px)}
.progress-index header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
.progress-index header strong{font-size:14px}
.progress-index header small{font-size:11px;color:var(--success)}
.index-step{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:12px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.index-step:first-of-type{border-top:0}
.index-step b{width:22px;height:22px;border-radius:8px;display:grid;place-items:center;font-size:11px;color:var(--aqua);background:rgba(75,224,208,.1)}
.index-step.active{color:var(--text)}
.index-step.active b{background:var(--aqua);color:#042220;box-shadow:0 0 16px rgba(75,224,208,.33)}
.anchor-rail{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(8,20,35,.52)}
.anchor-list{display:flex;gap:8px;padding:13px 0;overflow:auto;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-list a{white-space:nowrap;padding:8px 12px;border-radius:999px;border:1px solid transparent;color:var(--muted);font-size:13px}
.anchor-list a:hover{color:var(--aqua);border-color:var(--line-bright);background:rgba(75,224,208,.06)}
.guide-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:46px;align-items:start}
.sticky-track{position:sticky;top:105px;padding:8px 0}
.sticky-track:before{content:"";position:absolute;left:10px;top:43px;bottom:35px;width:1px;background:linear-gradient(var(--aqua),rgba(143,124,255,.5),transparent)}
.track-label{font-size:11px;letter-spacing:.14em;color:var(--muted-2);margin-bottom:18px}
.track-link{position:relative;display:flex;align-items:center;gap:12px;padding:11px 0;color:var(--muted);font-size:13px}
.track-link:before{content:"";width:21px;height:21px;flex:none;border-radius:50%;border:1px solid var(--line-bright);background:var(--bg);z-index:1}
.track-link:hover,.track-link.active{color:var(--aqua)}
.track-link.active:before{background:var(--aqua);box-shadow:0 0 17px rgba(75,224,208,.36)}
.guide-stack{display:grid;gap:28px}
.guide-block{scroll-margin-top:105px;position:relative;overflow:hidden;padding:clamp(24px,4vw,38px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:0 16px 52px rgba(0,0,0,.14)}
.guide-block:hover{border-color:rgba(75,224,208,.38)}
.guide-block:nth-child(even):after{content:"";position:absolute;width:230px;height:230px;right:-90px;bottom:-120px;border-radius:50%;background:radial-gradient(circle,rgba(143,124,255,.15),transparent 68%)}
.block-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.76fr);gap:34px;align-items:center}
.block-grid.reverse{grid-template-columns:minmax(250px,.76fr) minmax(0,1fr)}
.block-grid.reverse .block-copy{order:2}
.block-grid.reverse .visual-panel{order:1}
.block-kicker{display:flex;align-items:center;gap:11px;color:var(--aqua);font-size:12px;letter-spacing:.08em}
.block-kicker b{width:29px;height:29px;display:grid;place-items:center;border:1px solid rgba(75,224,208,.35);border-radius:9px;font-size:12px}
.block-copy h2{font-size:clamp(25px,3vw,35px);line-height:1.24;letter-spacing:-.05em;margin:16px 0 13px}
.block-copy p{color:var(--muted);margin:0 0 19px}
.detail-list{list-style:none;padding:0;margin:0 0 21px;display:grid;gap:10px}
.detail-list li{display:flex;gap:10px;color:#c6d5df;font-size:14px}
.detail-list li:before{content:"";width:7px;height:7px;flex:none;border-radius:50%;background:var(--aqua);margin-top:.61em;box-shadow:0 0 10px rgba(75,224,208,.45)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.visual-panel{min-height:274px;padding:18px;border:1px solid rgba(123,183,204,.19);border-radius:18px;background:linear-gradient(145deg,rgba(25,52,78,.74),rgba(9,22,40,.72));overflow:hidden}
.panel-topline{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.panel-dots{display:flex;gap:5px}.panel-dots i{width:6px;height:6px;border-radius:50%;background:var(--muted-2)}.panel-dots i:first-child{background:var(--aqua)}
.filter-row{display:flex;gap:7px;flex-wrap:wrap;padding:17px 0 13px}
.filter-row span{padding:5px 8px;border-radius:7px;font-size:11px;color:var(--muted);background:rgba(4,12,23,.52);border:1px solid var(--line)}
.filter-row span.selected{color:#062321;background:var(--aqua);border-color:var(--aqua)}
.result-line{display:grid;grid-template-columns:38px 1fr 26px;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.result-icon{width:34px;height:34px;border-radius:10px;background:rgba(75,224,208,.09);border:1px solid rgba(75,224,208,.17)}
.result-copy i,.result-copy b{display:block;border-radius:99px;background:rgba(186,213,225,.19);height:7px}
.result-copy b{width:67%;margin-top:7px;background:rgba(75,224,208,.18)}
.result-state{width:22px;height:7px;border-radius:99px;background:rgba(143,124,255,.48)}
.timeline-ui{padding:19px 3px 4px;position:relative}
.timeline-ui:before{content:"";position:absolute;left:14px;top:31px;bottom:23px;width:1px;background:rgba(75,224,208,.32)}
.time-node{position:relative;display:grid;grid-template-columns:28px 1fr;gap:11px;padding:0 0 17px}
.time-node:last-child{padding-bottom:0}
.time-node i{width:22px;height:22px;border-radius:50%;background:var(--panel-strong);border:1px solid var(--line-bright);z-index:1}
.time-node.active i{background:var(--aqua);box-shadow:0 0 15px rgba(75,224,208,.35)}
.time-node strong{font-size:12px;display:block}.time-node small{font-size:11px;color:var(--muted)}
.record-meter{padding:25px 3px 0}
.meter-label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:10px}
.meter-line{height:8px;border-radius:99px;background:rgba(137,174,194,.14);overflow:hidden;margin-bottom:21px}
.meter-line i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--aqua),var(--violet))}
.record-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.record-card{padding:12px;border-radius:11px;background:rgba(5,17,31,.45);border:1px solid var(--line)}
.record-card small{display:block;color:var(--muted);font-size:11px}.record-card b{font-size:14px}
.path-section{padding-top:28px}
.path-wrap{padding:34px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(14,31,50,.54)}
.path-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.path-title h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.05em;margin:12px 0}.path-title p{color:var(--muted);margin:0}
.path-nodes{display:flex;align-items:center;gap:7px;overflow:auto;padding:8px 0}
.path-node{min-width:116px;padding:14px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(7,19,33,.52)}
.path-node b{display:block;color:var(--aqua);font-size:11px;margin-bottom:5px}.path-node span{font-size:13px}
.path-arrow{width:22px;height:1px;flex:none;background:var(--line-bright);position:relative}.path-arrow:after{content:"";position:absolute;right:0;top:-3px;border-left:5px solid var(--aqua);border-top:3px solid transparent;border-bottom:3px solid transparent}
.related-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.related-card{position:relative;overflow:hidden;min-height:205px;padding:26px;border:1px solid var(--line);border-radius:20px;background:var(--panel);display:flex;flex-direction:column;justify-content:flex-end}
.related-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 15%,rgba(75,224,208,.15),transparent 36%)}
.related-card.violet:before{background:radial-gradient(circle at 88% 18%,rgba(143,124,255,.19),transparent 39%)}
.related-card>*{position:relative;z-index:1}.related-card h3{font-size:22px;letter-spacing:-.04em;margin:11px 0 7px}.related-card p{color:var(--muted);font-size:14px;margin:0 0 15px}
.faq-section{padding-top:80px}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-color:var(--text);--bs-accordion-active-bg:transparent}
.accordion-item{overflow:hidden;margin-bottom:11px;border:1px solid var(--line)!important;border-radius:14px!important;background:rgba(13,30,49,.56)}
.accordion-button{padding:18px 20px;color:var(--text);font-weight:600;background:transparent;font-size:15px}
.accordion-button:not(.collapsed){color:var(--aqua);box-shadow:none;background:rgba(75,224,208,.045)}
.accordion-button:after{filter:invert(91%) sepia(9%) saturate(730%) hue-rotate(154deg);transition:transform var(--ease)}
.accordion-body{padding:0 20px 19px;color:var(--muted);font-size:14px}
.cta-panel{margin-top:30px;padding:32px 36px;border:1px solid rgba(75,224,208,.29);border-radius:var(--radius-lg);background:linear-gradient(110deg,rgba(17,55,69,.72),rgba(18,30,58,.72));box-shadow:var(--shadow-glow);display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-panel h2{font-size:26px;letter-spacing:-.05em;margin:0 0 7px}.cta-panel p{color:var(--muted);margin:0;font-size:14px}
.site-footer{margin-top:100px;padding:63px 0 25px;border-top:1px solid var(--line);background:rgba(3,10,19,.72)}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:52px;padding-bottom:44px}
.footer-brand p{max-width:405px;color:var(--muted);font-size:14px;margin:17px 0 0}
.footer-title{font-size:13px;font-weight:700;color:#cad9e3;margin:4px 0 15px}
.footer-links{display:grid;gap:10px}.footer-links a{color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--aqua)}
.footer-bottom{padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted-2);font-size:12px}
.offcanvas{background:#091525;color:var(--text);border-left:1px solid var(--line)}.offcanvas-header{border-bottom:1px solid var(--line)}.btn-close{filter:invert(1)}
.mobile-menu-nav{display:grid;gap:8px;padding:14px}.mobile-menu-nav a{padding:13px;border-radius:10px;color:var(--muted);border:1px solid transparent}.mobile-menu-nav a.active{color:var(--aqua);border-color:var(--line-bright);background:rgba(75,224,208,.07)}
@media(max-width:991px){
.site-header{height:68px}.main-nav,.nav-actions .status-inline,.nav-actions .icon-button{display:none}.mobile-toggle{display:grid;place-items:center;margin-left:auto}.topic-grid{grid-template-columns:1fr;gap:28px}.progress-index{max-width:540px}.guide-layout{grid-template-columns:1fr}.sticky-track{display:none}.section{padding:76px 0}.block-grid,.block-grid.reverse{grid-template-columns:1fr}.block-grid.reverse .block-copy,.block-grid.reverse .visual-panel{order:initial}.related-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
}
@media(max-width:767px){
.site-container{width:min(var(--container),calc(100% - 32px))}.topic-hero{padding:38px 0}.topic-shell{padding:28px 22px;border-radius:23px;min-height:0}h1{font-size:39px}.topic-copy>p{font-size:15px}.section{padding:60px 0}.guide-block{padding:23px 19px}.visual-panel{min-height:245px}.path-wrap{padding:25px 20px}.path-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.cta-panel{padding:26px 22px;display:block}.cta-panel .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{display:grid;gap:8px}.notice-inner{align-items:flex-start;padding:7px 0}.nav-actions{margin-left:auto}
}
@media(max-width:479px){
.brand{font-size:14px}.brand-mark{width:26px;height:26px}.topic-shell{padding:25px 18px}.breadcrumbs{font-size:12px}h1{font-size:34px}.hero-tags{gap:6px}.chip,.meta-pill,.status-pill{font-size:11px;padding:7px 9px}.section-head h2{font-size:28px}.block-copy h2{font-size:25px}.record-cards{grid-template-columns:1fr}.path-node{min-width:106px}.accordion-button{padding:16px;font-size:14px}.accordion-body{padding:0 16px 17px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}