/* roulang page: index */
:root{--bg:#071120;--bg2:#0b1930;--surface:#11223b;--glass:rgba(19,38,66,.75);--text:#eff6ff;--muted:#a8bbd3;--line:rgba(172,209,255,.16);--cyan:#72e6f2;--blue:#709bff;--gold:#f4c883;--radius:22px;--shadow:0 22px 60px rgba(0,5,20,.28)}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:100px}
    body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:var(--cyan);text-decoration:none;transition:color .2s,background .2s,transform .2s}
    a:hover{color:#fff}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;height:auto;display:block}
    :focus-visible{outline:2px solid var(--cyan)!important;outline-offset:3px}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(7,17,32,.91);border-bottom:1px solid var(--line);backdrop-filter:blur(20px)}
    .nav-shell{min-height:78px;display:flex;align-items:center;gap:26px}
    .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-size:1.1rem;font-weight:800;letter-spacing:.02em}
    .brand:hover{color:var(--cyan)}
    .brand-mark{display:grid;place-items:center;width:37px;height:37px;border-radius:12px;background:linear-gradient(145deg,#69dcf0,#6485f5);color:#081326;box-shadow:0 0 25px rgba(105,220,240,.25);font-weight:900}
    .primary-nav{display:flex;align-items:center;gap:6px;margin-right:auto}
    .nav-link-custom{padding:9px 14px;border-radius:11px;color:var(--muted);font-weight:600;white-space:nowrap}
    .nav-link-custom:hover,.nav-link-custom.active{background:rgba(114,230,242,.11);color:var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-search{display:flex;align-items:center;gap:7px;padding:5px 6px 5px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04)}
    .nav-search input{width:125px;border:0;outline:0;background:transparent;color:#fff;font-size:.86rem}
    .nav-search input::placeholder,.hero-input::placeholder{color:#98abc3}
    .nav-search button{border:0;border-radius:8px;padding:5px 9px;background:rgba(114,230,242,.13);color:var(--cyan);font-size:.82rem}
    .nav-search button:hover{background:rgba(114,230,242,.25)}
    .nav-action{white-space:nowrap;color:var(--muted);font-size:.88rem}
    .nav-action:hover{color:var(--cyan)}
    .btn-glow,.btn-outline-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:11px 19px;font-weight:750;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-glow{background:var(--cyan);color:#061727;box-shadow:0 0 30px rgba(114,230,242,.23)}
    .btn-glow:hover{color:#061727;background:#a2f6ff;transform:translateY(-2px);box-shadow:0 8px 34px rgba(114,230,242,.37)}
    .btn-outline-custom{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line)}
    .btn-outline-custom:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(114,230,242,.08)}
    .section{padding:84px 0;border-top:1px solid var(--line)}
    .section-alt{background:var(--bg2)}
    .section-title{font-size:clamp(1.75rem,3vw,2.55rem);font-weight:800;letter-spacing:-.035em;line-height:1.25;margin:0 0 18px}
    .section-lead{color:var(--muted);max-width:850px;margin:0 0 32px;font-size:1.01rem}
    .eyebrow{display:inline-block;color:var(--cyan);font-size:.83rem;font-weight:800;letter-spacing:.1em;margin-bottom:13px}
    .tag{display:inline-flex;align-items:center;border:1px solid rgba(114,230,242,.25);background:rgba(114,230,242,.1);color:var(--cyan);border-radius:99px;padding:4px 11px;font-size:.78rem;font-weight:700}
    .tag-gold{border-color:rgba(244,200,131,.28);background:rgba(244,200,131,.09);color:var(--gold)}
    .glass-card{height:100%;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(14px);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
    .glass-card:hover{transform:translateY(-4px);border-color:rgba(114,230,242,.38);box-shadow:0 28px 65px rgba(0,5,20,.37)}
    .card-pad{padding:27px}
    .glass-card h3{font-size:1.18rem;font-weight:750;line-height:1.4;margin:14px 0 11px}
    .glass-card p{color:var(--muted);margin:0;font-size:.94rem}
    .hero{position:relative;isolation:isolate;min-height:605px;display:flex;align-items:center;padding:90px 0 76px;background:#08172c url('/assets/images/59f77afe47e68589.png') center/cover no-repeat}
    .hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,14,29,.97) 0%,rgba(6,17,34,.92) 44%,rgba(7,18,35,.53) 100%),linear-gradient(0deg,rgba(6,16,31,.55),transparent 50%)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(290px,.7fr);gap:70px;align-items:center}
    .hero h1{font-size:clamp(2.4rem,5vw,4.6rem);line-height:1.14;font-weight:850;letter-spacing:-.055em;max-width:780px;margin:12px 0 25px}
    .hero h1 span{color:var(--cyan)}
    .hero-copy{color:#d5e3f1;font-size:1.07rem;max-width:730px;margin-bottom:27px}
    .hero-form{display:flex;max-width:610px;padding:6px;border:1px solid rgba(184,221,255,.32);background:rgba(10,27,49,.82);border-radius:17px;box-shadow:var(--shadow);gap:8px}
    .hero-input{min-width:0;flex:1;background:transparent;border:0;color:#fff;padding:12px 15px;outline:0}
    .hero-form .btn-glow{border:0}
    .search-message{min-height:25px;color:var(--cyan);font-size:.87rem;margin-top:9px}
    .hero-aside{background:rgba(13,31,54,.73);border:1px solid rgba(184,221,255,.24);border-radius:26px;padding:30px;backdrop-filter:blur(18px);box-shadow:var(--shadow)}
    .hero-aside h2{font-size:1.2rem;font-weight:800;margin:0 0 21px}
    .signal{display:flex;gap:15px;padding:15px 0;border-top:1px solid var(--line)}
    .signal:first-of-type{border-top:0;padding-top:0}
    .signal-num{font-size:1.45rem;font-weight:850;color:var(--cyan);line-height:1}
    .signal strong{display:block;font-size:.93rem}
    .signal small{display:block;color:var(--muted);line-height:1.5;margin-top:4px}
    .notice-line{font-size:.81rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin:3px 0 0}
    .category-link{display:flex;flex-direction:column;gap:12px;color:var(--text)}
    .category-link:hover{color:#fff}
    .category-link .arrow{align-self:flex-end;color:var(--cyan);font-weight:900}
    .category-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:rgba(114,230,242,.13);color:var(--cyan);font-size:1.2rem}
    .feature{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
    .feature-image{height:100%;min-height:360px;object-fit:cover;width:100%;filter:saturate(.85)}
    .feature-body{padding:42px}
    .feature-body h3{font-size:1.65rem;margin-top:17px}
    .feature-body p{font-size:1rem;line-height:1.9}
    .feature-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
    .feature-points li{padding-left:22px;position:relative;color:#d4e3f2}
    .feature-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .compare-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--glass)}
    .compare-table{width:100%;min-width:640px;border-collapse:collapse}
    .compare-table th,.compare-table td{padding:19px 22px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
    .compare-table th{color:#dceaf8;font-size:.92rem;background:rgba(255,255,255,.035)}
    .compare-table td{color:var(--muted)}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table .recommended{background:rgba(114,230,242,.09);color:#e8fcff;font-weight:650}
    .compare-table strong{color:#fff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{padding:24px;border-top:2px solid rgba(114,230,242,.54);background:rgba(255,255,255,.035);border-radius:0 0 17px 17px}
    .step b{display:block;color:var(--cyan);font-size:1.45rem;margin-bottom:11px}
    .step h3{font-size:1rem;font-weight:800}
    .step p{font-size:.89rem;color:var(--muted);margin:0}
    .news-row{display:grid;grid-template-columns:178px 1fr auto;gap:22px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-row:first-child{border-top:1px solid var(--line)}
    .news-row img{width:178px;height:112px;border-radius:13px;object-fit:cover}
    .news-row h3{font-size:1.08rem;font-weight:750;margin:9px 0 6px}
    .news-row p{margin:0;color:var(--muted);font-size:.9rem}
    .news-row .read-more{white-space:nowrap;font-weight:700}
    .rank-item{display:grid;grid-template-columns:55px 1fr auto;gap:16px;align-items:center;padding:20px 23px;border-bottom:1px solid var(--line)}
    .rank-item:last-child{border:0}
    .rank-number{font-size:1.65rem;font-weight:850;color:var(--cyan)}
    .rank-item h3{font-size:1rem;font-weight:750;margin:0 0 4px}
    .rank-item p{font-size:.87rem;color:var(--muted);margin:0}
    .rank-status{font-size:.81rem;color:var(--gold);white-space:nowrap}
    .quote-panel{padding:36px;border-left:3px solid var(--cyan);background:rgba(114,230,242,.06);border-radius:0 18px 18px 0}
    .quote-panel blockquote{font-size:clamp(1.12rem,2vw,1.45rem);font-weight:650;line-height:1.7;margin:0 0 14px}
    .quote-panel p{color:var(--muted);margin:0}
    .source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .source-box{border:1px solid var(--line);border-radius:17px;padding:22px;background:rgba(255,255,255,.035)}
    .source-box b{color:var(--cyan);display:block;margin-bottom:7px}
    .source-box p{color:var(--muted);font-size:.91rem;margin:0}
    .guarantee-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guarantee-list article{padding:25px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
    .guarantee-list h3{font-size:1.06rem;color:#fff;font-weight:750}
    .guarantee-list p{font-size:.91rem;color:var(--muted);margin:0}
    .answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .answer-grid .glass-card{padding:26px}
    .answer-grid h3{margin:0 0 11px}
    .accordion-item{background:var(--glass);border:1px solid var(--line);color:var(--text);margin-bottom:11px;border-radius:14px!important;overflow:hidden}
    .accordion-button{background:transparent;color:var(--text);font-weight:700;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:rgba(114,230,242,.09);color:var(--cyan)}
    .accordion-button::after{filter:brightness(0) invert(1)}
    .accordion-body{padding:0 22px 22px;color:var(--muted);line-height:1.85}
    .closing{position:relative;background:linear-gradient(120deg,rgba(25,56,92,.93),rgba(11,27,51,.97)),url('/assets/images/3bbae0b02cdd9d42.png') center/cover}
    .closing-panel{display:grid;grid-template-columns:1fr minmax(280px,400px);gap:45px;align-items:center}
    .preference-form{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(5,16,31,.68)}
    .preference-form label{display:block;font-weight:700;margin-bottom:11px}
    .preference-form select{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;background:#152741;color:#fff;margin-bottom:15px}
    .preference-form .btn-glow{width:100%;border:0}
    .form-note{font-size:.82rem;color:var(--muted);margin:12px 0 0}
    .save-message{min-height:23px;font-size:.86rem;color:var(--cyan);margin-top:8px}
    .site-footer{border-top:1px solid var(--line);background:#050d19;padding:50px 0 30px}
    .footer-grid{display:flex;justify-content:space-between;gap:28px;align-items:start}
    .footer-brand{font-weight:800;color:#fff;font-size:1.1rem;margin-bottom:9px}
    .site-footer p,.copyright{color:var(--muted);font-size:.88rem}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap}
    .footer-links a{color:var(--muted);font-size:.9rem}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}
    @media(max-width:1024px){.nav-shell{gap:15px}.nav-search{display:none}.hero-grid{gap:32px}.timeline{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-shell{min-height:70px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.primary-nav{order:3;width:100%;margin:0;overflow-x:auto}.nav-actions{margin-left:auto}.nav-action{display:none}.hero{padding:70px 0}.hero-grid,.feature,.closing-panel{grid-template-columns:1fr}.hero-aside{max-width:580px}.section{padding:64px 0}.feature-image{height:260px;min-height:0}.source-grid,.guarantee-list{grid-template-columns:1fr 1fr}.news-row{grid-template-columns:130px 1fr}.news-row img{width:130px;height:100px}.news-row .read-more{grid-column:2}.footer-grid{flex-direction:column}}
    @media(max-width:520px){.brand{font-size:1rem}.brand-mark{width:33px;height:33px}.nav-actions .btn-glow{padding:8px 11px;font-size:.79rem}.nav-link-custom{padding:7px 12px}.hero{min-height:0;padding:57px 0}.hero h1{font-size:2.42rem}.hero-copy{font-size:.96rem}.hero-form{flex-direction:column}.hero-form .btn-glow{width:100%}.hero-aside{padding:22px}.section{padding:52px 0}.section-title{font-size:1.78rem}.card-pad,.feature-body{padding:23px}.timeline,.source-grid,.guarantee-list,.answer-grid{grid-template-columns:1fr}.news-row{grid-template-columns:95px 1fr;gap:13px}.news-row img{width:95px;height:95px}.news-row h3{font-size:.96rem}.rank-item{grid-template-columns:38px 1fr;padding:17px}.rank-status{grid-column:2}.quote-panel{padding:23px}.footer-links{gap:12px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* roulang page: category1 */
:root{--bg:#071120;--bg2:#0b1930;--surface:#11223b;--glass:rgba(19,38,66,.75);--text:#eff6ff;--muted:#a8bbd3;--line:rgba(172,209,255,.16);--cyan:#72e6f2;--blue:#709bff;--gold:#f4c883;--radius:22px;--shadow:0 22px 60px rgba(0,5,20,.28)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
a{color:var(--cyan);text-decoration:none;transition:color .2s,background .2s,transform .2s}
a:hover{color:#fff}
button,input,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.container{max-width:1200px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,17,32,.91);border-bottom:1px solid var(--line);backdrop-filter:blur(20px)}
.nav-shell{min-height:78px;display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-size:1.1rem;font-weight:800;letter-spacing:.02em}
.brand:hover{color:var(--cyan)}
.brand-mark{display:grid;place-items:center;width:37px;height:37px;border-radius:12px;background:linear-gradient(145deg,#69dcf0,#6485f5);color:#081326;box-shadow:0 0 25px rgba(105,220,240,.25);font-weight:900}
.primary-nav{display:flex;align-items:center;gap:6px;margin-right:auto}
.nav-link-custom{padding:9px 14px;border-radius:11px;color:var(--muted);font-weight:600;white-space:nowrap}
.nav-link-custom:hover,.nav-link-custom.active{background:rgba(114,230,242,.11);color:var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-search{display:flex;align-items:center;gap:7px;padding:5px 6px 5px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04)}
.nav-search input{width:125px;border:0;outline:0;background:transparent;color:#fff;font-size:.86rem}
.nav-search input::placeholder{color:#98abc3}
.nav-search button{border:0;border-radius:8px;padding:5px 9px;background:rgba(114,230,242,.13);color:var(--cyan);font-size:.82rem}
.nav-search button:hover{background:rgba(114,230,242,.25)}
.nav-action{white-space:nowrap;color:var(--muted);font-size:.88rem}
.nav-action:hover{color:var(--cyan)}
.btn-glow,.btn-outline-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:11px 19px;font-weight:750;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn-glow{background:var(--cyan);color:#061727;box-shadow:0 0 30px rgba(114,230,242,.23)}
.btn-glow:hover{color:#061727;background:#a2f6ff;transform:translateY(-2px);box-shadow:0 8px 34px rgba(114,230,242,.37)}
.btn-outline-custom{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line)}
.btn-outline-custom:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(114,230,242,.08)}
.section{padding:84px 0;border-top:1px solid var(--line)}
.section-alt{background:var(--bg2)}
.section-title{font-size:clamp(1.75rem,3vw,2.55rem);font-weight:800;letter-spacing:-.035em;line-height:1.25;margin:0 0 18px}
.section-lead{color:var(--muted);max-width:850px;margin:0 0 32px;font-size:1.01rem}
.eyebrow{display:inline-block;color:var(--cyan);font-size:.83rem;font-weight:800;letter-spacing:.1em;margin-bottom:13px}
.tag{display:inline-flex;align-items:center;border:1px solid rgba(114,230,242,.25);background:rgba(114,230,242,.1);color:var(--cyan);border-radius:99px;padding:4px 11px;font-size:.78rem;font-weight:700}
.tag-gold{border-color:rgba(244,200,131,.28);background:rgba(244,200,131,.09);color:var(--gold)}
.glass-card{height:100%;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(14px);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(114,230,242,.38);box-shadow:0 28px 65px rgba(0,5,20,.37)}
.card-pad{padding:27px}
.glass-card h3{font-size:1.18rem;font-weight:750;line-height:1.4;margin:14px 0 11px}
.glass-card p{color:var(--muted);margin:0;font-size:.94rem}
.feature-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.feature-points li{padding-left:22px;position:relative;color:#d4e3f2}
.feature-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.news-row{display:grid;grid-template-columns:178px 1fr auto;gap:22px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.news-row:first-child{border-top:1px solid var(--line)}
.news-row img{width:178px;height:112px;border-radius:13px;object-fit:cover}
.news-row h3{font-size:1.08rem;font-weight:750;margin:9px 0 6px}
.news-row p{margin:0;color:var(--muted);font-size:.9rem}
.news-row .read-more{white-space:nowrap;font-weight:700}
.site-footer{background:#060d19;border-top:1px solid var(--line);padding:56px 0 24px;color:var(--muted);font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:start}
.footer-brand{font-size:1.25rem;font-weight:800;color:#fff;margin-bottom:12px}
.footer-links{display:flex;flex-wrap:wrap;gap:13px 26px;max-width:420px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--cyan)}
.copyright{margin-top:42px;padding-top:20px;border-top:1px solid var(--line);font-size:.82rem}
.category-hero{position:relative;isolation:isolate;background:#091424 url('/assets/images/3bbae0b02cdd9d42.png') center/cover no-repeat;padding:96px 0 72px;overflow:hidden}
.category-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,12,24,.98) 0%,rgba(7,17,33,.91) 57%,rgba(8,20,39,.61) 100%)}
.category-hero::after{content:"";position:absolute;width:440px;height:440px;right:-170px;top:-180px;background:rgba(244,200,131,.11);filter:blur(90px);pointer-events:none}
.hero-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(275px,.7fr);align-items:center;gap:52px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-weight:800;font-size:.88rem;letter-spacing:.06em}
.hero-kicker::before{content:"✦";display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(244,200,131,.13);border:1px solid rgba(244,200,131,.36)}
.category-hero h1{font-size:clamp(2.5rem,5vw,4.75rem);line-height:1.15;letter-spacing:-.05em;font-weight:850;margin:22px 0}
.category-hero h1 span{color:var(--gold)}
.hero-description{max-width:690px;color:#d4dfef;font-size:1.08rem;margin:0 0 25px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-plate{padding:30px;background:rgba(18,32,49,.77);border:1px solid rgba(244,200,131,.28);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.hero-plate .plate-heading{color:var(--gold);font-weight:800;font-size:1.04rem;margin:18px 0}
.plate-list{list-style:none;padding:0;margin:0}
.plate-list li{display:flex;justify-content:space-between;gap:10px;padding:13px 0;border-top:1px solid var(--line);font-size:.93rem}
.plate-list span{color:var(--muted)}
.plate-list strong{color:#fff;text-align:right;font-size:.87rem}
.hero-note{font-size:.83rem;color:var(--muted);margin:19px 0 0}
.metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:56px}
.metric{padding:19px 23px;border:1px solid rgba(244,200,131,.19);background:rgba(12,26,45,.67);border-radius:16px}
.metric strong{display:block;color:var(--gold);font-size:1.32rem;line-height:1.35}
.metric span{display:block;color:#c3d1e2;font-size:.85rem;margin-top:5px}
.matrix-card{display:flex;flex-direction:column;gap:15px}
.matrix-num{color:var(--gold);font-weight:850;font-size:1.9rem;line-height:1}
.matrix-card h3{margin:0}
.matrix-card p{flex:1}
.matrix-card .tag{align-self:flex-start}
.comparison-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(19,38,66,.66);box-shadow:var(--shadow)}
.comparison-grid{min-width:690px;display:grid;grid-template-columns:1fr 1.2fr 1.2fr}
.compare-cell{padding:19px 22px;border-bottom:1px solid var(--line);color:#d8e5f3;font-size:.92rem}
.compare-cell:not(:nth-child(3n)){border-right:1px solid var(--line)}
.compare-cell:nth-last-child(-n+3){border-bottom:0}
.compare-head{background:rgba(114,230,242,.08);color:var(--cyan);font-weight:800}
.compare-label{font-weight:750;color:#fff}
.milestone-rail{border-left:2px solid rgba(114,230,242,.27);margin-left:10px;padding-left:30px;display:grid;gap:27px}
.milestone{position:relative}
.milestone::before{content:"";position:absolute;left:-39px;top:6px;width:16px;height:16px;border-radius:50%;border:4px solid var(--cyan);background:var(--bg);box-shadow:0 0 17px rgba(114,230,242,.35)}
.milestone h3{font-size:1.06rem;font-weight:800;margin:8px 0}
.milestone p{color:var(--muted);margin:0}
.poster{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:100%;min-height:330px;box-shadow:var(--shadow)}
.poster img{width:100%;height:100%;min-height:330px;object-fit:cover}
.poster::after{content:"";position:absolute;inset:38% 0 0;background:linear-gradient(transparent,rgba(5,13,26,.88))}
.poster-caption{position:absolute;z-index:1;bottom:25px;left:25px;right:25px;font-weight:800;font-size:1.23rem}
.assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.assurance-item{padding:26px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
.assurance-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:rgba(114,230,242,.13);color:var(--cyan);font-weight:900;margin-bottom:18px}
.assurance-item h3{font-size:1.08rem;font-weight:800}
.assurance-item p{font-size:.93rem;color:var(--muted);margin:0}
.answer-list{display:grid;gap:12px}
.answer-item{display:grid;grid-template-columns:minmax(160px,.36fr) 1fr;gap:20px;padding:21px 24px;border:1px solid var(--line);border-radius:16px;background:var(--glass)}
.answer-item strong{color:var(--gold)}
.answer-item p{color:#d2e0ee;margin:0}
.faq-shell{max-width:900px}
.accordion-item{background:var(--glass);border:1px solid var(--line)!important;border-radius:15px!important;overflow:hidden;margin-bottom:12px;color:var(--text)}
.accordion-button{background:transparent;color:var(--text);font-weight:750;padding:20px 23px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--cyan);background:rgba(114,230,242,.07)}
.accordion-button::after{filter:brightness(0) invert(1)}
.accordion-button:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.accordion-body{color:var(--muted);padding:0 23px 22px}
.reminder-panel{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:40px;border-radius:var(--radius);border:1px solid rgba(244,200,131,.28);background:linear-gradient(120deg,rgba(30,43,61,.97),rgba(16,38,63,.86));box-shadow:var(--shadow)}
.reminder-panel .section-title{margin-bottom:14px}
.reminder-panel p{color:var(--muted)}
.reminder-form{padding:25px;border:1px solid var(--line);border-radius:18px;background:rgba(7,17,32,.62)}
.reminder-form label{font-size:.88rem;font-weight:750;display:block;margin-bottom:8px}
.reminder-form select{width:100%;padding:12px 15px;border-radius:11px;background:#132740;border:1px solid rgba(172,209,255,.28);color:#fff;outline:none;margin-bottom:15px}
.reminder-form select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(114,230,242,.14)}
.reminder-form .btn-glow{width:100%}
.form-note,.form-result{font-size:.83rem;margin:12px 0 0!important}
.form-result{min-height:25px;color:var(--cyan)!important}
@media(max-width:1100px){.nav-shell{gap:14px}.nav-search input{width:95px}.nav-actions{gap:8px}.nav-action{display:none}}
@media(max-width:900px){.nav-shell{flex-wrap:wrap;padding-top:13px;padding-bottom:13px;min-height:unset}.primary-nav{order:3;width:100%;border-top:1px solid var(--line);padding-top:9px}.nav-actions{margin-left:auto}.hero-layout{gap:26px}.category-hero{padding:72px 0 54px}.reminder-panel{gap:22px}}
@media(max-width:768px){.section{padding:64px 0}.hero-layout,.reminder-panel{grid-template-columns:1fr}.hero-plate{max-width:550px}.assurance{grid-template-columns:1fr 1fr}.poster{min-height:260px}.poster img{min-height:260px}.footer-grid{grid-template-columns:1fr}.news-row{grid-template-columns:125px 1fr;gap:14px}.news-row img{width:125px;height:95px}.news-row .read-more{grid-column:2}.metric-strip{margin-top:35px}}
@media(max-width:520px){.container{padding-left:19px;padding-right:19px}.brand{font-size:1rem}.nav-shell{gap:10px}.nav-actions{width:100%;order:2;justify-content:space-between}.nav-search{flex:1}.nav-search input{width:100%;min-width:0}.nav-actions>.btn-glow{padding:8px 11px;font-size:.8rem}.primary-nav{order:3;overflow-x:auto}.nav-link-custom{padding:8px 12px;font-size:.9rem}.category-hero{padding:55px 0 45px}.category-hero h1{font-size:clamp(2.05rem,9vw,3rem)}.hero-description{font-size:.98rem}.metric-strip{grid-template-columns:1fr;gap:9px}.metric{padding:13px 18px}.metric strong{font-size:1.08rem}.section{padding:54px 0}.card-pad{padding:21px}.assurance{grid-template-columns:1fr}.answer-item{grid-template-columns:1fr;gap:6px}.news-row{grid-template-columns:92px 1fr}.news-row img{width:92px;height:78px}.news-row h3{font-size:.98rem}.news-row p{font-size:.83rem}.reminder-panel{padding:21px}.reminder-form{padding:18px}.footer-links{gap:9px 17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}