/* roulang page: index */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden} a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input{font:inherit} button{cursor:pointer}
    ::selection{background:#b8e5d6;color:var(--ink)} .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}
    .main-nav{display:flex;align-items:center;gap:4px}.main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s}.main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}.nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}.nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
    .hero{position:relative;min-height:638px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(10,32,42,.91) 0%,rgba(11,56,62,.76) 57%,rgba(10,42,48,.57) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;overflow:hidden}.hero:after{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(222,255,241,.25);border-radius:50%;right:-180px;top:-160px;box-shadow:0 0 0 55px rgba(222,255,241,.05),0 0 0 112px rgba(222,255,241,.04)}.hero-inner{position:relative;z-index:1;text-align:center;width:min(900px,calc(100% - 40px));margin:auto;padding:90px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:999px;font-size:13px;letter-spacing:.08em}.pulse{width:7px;height:7px;background:#8cf0cb;border-radius:50%;box-shadow:0 0 0 5px rgba(140,240,203,.15)}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.15;letter-spacing:-.04em;margin:23px auto 19px;font-weight:850}.hero p{font-size:17px;line-height:1.9;color:#e0eeeb;max-width:760px;margin:0 auto}.search-shell{width:min(720px,100%);display:flex;gap:10px;margin:31px auto 20px;padding:8px;background:#fff;border-radius:17px;box-shadow:0 16px 45px rgba(0,0,0,.18)}.search-shell input{flex:1;min-width:0;border:0;outline:0;padding:10px 14px;color:var(--text);font-size:15px}.search-shell input:focus{box-shadow:inset 0 0 0 2px #a2ddd0;border-radius:10px}.search-btn{border:0;background:var(--teal);color:#fff;border-radius:11px;padding:11px 22px;font-weight:700;transition:.2s}.search-btn:hover{background:var(--teal2);transform:translateY(-1px)}
    .quick-links{display:flex;flex-wrap:wrap;justify-content:center;gap:9px}.quick-links a{font-size:13px;color:#e8f5f1;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 13px;transition:.2s}.quick-links a:hover{background:#fff;color:var(--teal);border-color:#fff}.hero-data{display:flex;justify-content:center;gap:34px;margin-top:30px}.hero-data div{border-left:1px solid rgba(255,255,255,.28);padding-left:18px;text-align:left}.hero-data b{display:block;font-size:19px;color:#a7f0d6}.hero-data span{font-size:12px;color:#d0e2dd}
    section{padding:88px 0}.section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}.section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}.section-intro{max-width:700px;color:var(--muted);font-size:16px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}.btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}.btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 13px 25px rgba(11,122,117,.25)}.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}.btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}.btn:focus,a:focus,button:focus,input:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
    .app-section{background:var(--sand);padding:78px 0}.app-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.device-card{position:relative;min-height:455px;border-radius:28px;overflow:hidden;background:url('/assets/images/coverpic/cover-1.webp') center/cover;box-shadow:var(--shadow)}.device-card:after{content:"";inset:0;position:absolute;background:linear-gradient(180deg,transparent 25%,rgba(12,37,43,.84))}.device-copy{position:absolute;z-index:1;bottom:29px;left:29px;right:29px;color:#fff}.device-copy b{font-size:25px;display:block}.device-copy span{font-size:14px;color:#d7e8e3}.download-box{background:#fff;border:1px solid var(--line);padding:20px;border-radius:17px;margin-top:25px;display:flex;gap:16px;align-items:center}.qr{flex:0 0 72px;width:72px;height:72px;border:5px solid #f1f7f4;background:repeating-linear-gradient(45deg,#173b42 0 4px,#fff 4px 8px);border-radius:8px}.download-box p{font-size:13px;color:var(--muted);margin:0}.download-box strong{display:block;font-size:15px;color:var(--ink)}
    .promise-bar{padding:26px 0;background:var(--ink);color:#d5e6e1}.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.promise-item{display:flex;align-items:center;gap:12px;font-size:14px}.promise-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;background:rgba(140,240,203,.12);color:#91f0ce;font-size:19px}.promise-item b{display:block;color:#fff;font-size:14px}.promise-item span{display:block;font-size:12px;line-height:1.4}
    .service-layout{display:grid;grid-template-columns:340px 1fr;gap:45px;align-items:start}.service-nav{position:sticky;top:100px;border-left:1px solid var(--line);padding-left:20px}.service-nav a{display:block;padding:10px 12px;margin:4px 0;border-radius:9px;color:var(--muted);font-size:14px}.service-nav a:hover{background:#edf8f3;color:var(--teal)}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.service-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.28s}.service-card:hover{border-color:#94d3c0;box-shadow:var(--shadow);transform:translateY(-4px)}.icon-box{height:43px;width:43px;border-radius:13px;display:grid;place-items:center;color:var(--teal);background:#e5f6ef;font-size:20px}.service-card h3{font-size:19px;margin:16px 0 8px;color:var(--ink);font-weight:800}.service-card p{color:var(--muted);font-size:14px;margin:0}.service-card a{font-size:13px;color:var(--teal);font-weight:700;display:inline-block;margin-top:14px}
    .about-section{background:#eff7f3}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}.about-image{border-radius:27px;overflow:hidden;min-height:430px;background:url('/assets/images/coverpic/cover-5.webp') center/cover;position:relative}.about-image div{position:absolute;right:20px;bottom:20px;padding:16px 19px;border-radius:14px;background:rgba(255,255,255,.92);color:var(--ink);font-size:13px;box-shadow:var(--shadow)}.about-image b{display:block;color:var(--teal);font-size:25px}.prose{color:#52636b;font-size:16px}.prose p{margin:0 0 16px}.check-list{padding:0;margin:24px 0;list-style:none}.check-list li{padding:9px 0 9px 28px;position:relative;border-bottom:1px dashed #cbdcd5;font-size:14px}.check-list li:before{content:"✓";position:absolute;left:1px;color:var(--teal);font-weight:900}
    .stats-section{padding:0;background:var(--teal);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:30px 27px;border-right:1px solid rgba(255,255,255,.2)}.stat:last-child{border:0}.stat b{display:block;font-size:31px;letter-spacing:-.04em}.stat span{font-size:13px;color:#c9eee3}
    .topic-section{background:#fff}.topic-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{min-height:225px;border-radius:20px;overflow:hidden;position:relative;padding:22px;display:flex;flex-direction:column;justify-content:end;color:#fff;background-position:center;background-size:cover;transition:.3s}.topic-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,30,36,.08),rgba(8,30,36,.84))}.topic-card>*{position:relative}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-card span{font-size:12px;color:#b7f1dc}.topic-card h3{font-size:21px;margin:7px 0 4px}.topic-card p{font-size:13px;color:#e2efeb;margin:0}
    .steps-section{background:var(--sand)}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:38px}.step{position:relative;padding:0 28px 0 0}.step:not(:last-child):after{content:"";height:1px;background:#b6c7c1;position:absolute;top:22px;left:58px;right:0}.step-num{position:relative;z-index:1;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800}.step h3{font-size:17px;margin:15px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}
    .update-section{padding:80px 0}.update-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}.update-list{border-top:1px solid var(--line)}.update-item{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}.update-date{font-size:13px;color:var(--teal);font-weight:800}.update-item h3{margin:0 0 6px;font-size:17px;color:var(--ink)}.update-item p{margin:0;color:var(--muted);font-size:14px}.version-tag{font-size:11px;color:#fff;background:var(--coral);padding:3px 8px;border-radius:999px;margin-left:7px}
    .news-section{background:#112a36;color:#fff}.news-section .section-title{color:#fff}.news-section .section-intro{color:#bfd2cf}.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;margin-top:34px}.news-list{border-top:1px solid rgba(255,255,255,.18)}.news-item{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.18)}.news-meta{font-size:12px;color:#8fe8c8}.news-item h3{font-size:20px;margin:6px 0 8px}.news-item p{font-size:14px;color:#c4d3d1;margin:0 0 12px}.read-more{font-size:13px;font-weight:700;color:#9bf0d2}.news-aside{border-radius:22px;overflow:hidden;background:#1a424d}.news-aside img{height:215px;width:100%;object-fit:cover}.news-aside div{padding:23px}.news-aside h3{font-size:21px;margin:0 0 10px}.news-aside p{font-size:14px;color:#c1d8d2;margin:0 0 18px}
    .support-section{background:#f1f7f4}.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:38px}.support-card{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line)}.support-card h3{font-size:22px;margin:0 0 10px;color:var(--ink)}.support-card p{color:var(--muted);font-size:14px}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:20px}.mini{padding:14px;border-radius:13px;background:#f5faf8;font-size:13px;color:#41565c}.mini b{display:block;color:var(--teal);font-size:15px}
    .faq-section{background:#fff}.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:750;padding-right:28px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:3px;top:-5px;font-size:23px;color:var(--teal);font-weight:400}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;margin:12px 0 2px}
    .contact-section{padding:75px 0;background:linear-gradient(115deg,#0b7a75,#174050);color:#fff}.contact-layout{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center}.contact-section .section-title{color:#fff}.contact-section .section-intro{color:#d8f0e9}.form-card{background:#fff;color:var(--text);padding:23px;border-radius:20px;box-shadow:var(--shadow)}.form-card label{font-size:13px;font-weight:700;display:block;margin-bottom:5px}.form-card input,.form-card select{width:100%;border:1px solid #d6e1dd;border-radius:10px;padding:11px 12px;margin-bottom:13px;outline:none}.form-card input:focus,.form-card select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(11,122,117,.12)}.privacy{font-size:12px;color:#718087;line-height:1.6;margin:11px 0 0}
    .site-footer{background:#0b2029;color:#afc2bf;padding:53px 0 88px}.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:60px}.footer-brand p{font-size:13px;max-width:350px;margin-top:13px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.footer-links h4{color:#fff;font-size:14px;margin:0 0 9px}.footer-links a{display:block;font-size:13px;padding:3px 0;transition:.2s}.footer-links a:hover{color:#8cf0cb}.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;display:flex;flex-wrap:wrap;gap:9px 16px}.footer-bottom a:hover{color:#8cf0cb}
    .mobile-tabs{display:none}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.app-layout,.about-grid,.news-layout,.faq-layout,.contact-layout,.update-layout{gap:30px}.service-layout{grid-template-columns:250px 1fr}.topic-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:768px){body{padding-bottom:67px}.container{width:min(100% - 30px,1180px)}.nav-wrap{height:64px}.main-nav{display:none}.hero{min-height:590px}.hero-inner{padding:74px 0}.hero p{font-size:15px}.search-shell{padding:6px}.hero-data{gap:15px}.hero-data div{padding-left:10px}.app-layout,.about-grid,.service-layout,.news-layout,.support-grid,.faq-layout,.contact-layout,.update-layout{grid-template-columns:1fr}.service-nav{position:static;display:flex;overflow:auto;border-left:0;border-bottom:1px solid var(--line);padding:0 0 10px}.service-nav a{white-space:nowrap}.service-grid{grid-template-columns:repeat(2,1fr)}.promise-grid,.stats-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}.promise-item{padding:8px}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid rgba(255,255,255,.2)}.topic-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.mobile-tabs{position:fixed;z-index:70;display:flex;justify-content:space-around;align-items:center;bottom:0;left:0;right:0;height:66px;background:rgba(255,255,255,.97);box-shadow:0 -6px 24px rgba(17,42,54,.12);backdrop-filter:blur(12px)}.mobile-tabs a{font-size:11px;color:#68777b;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px}.mobile-tabs .tab-icon{font-size:18px;line-height:18px}.mobile-tabs a.active{color:var(--teal);font-weight:800}.mobile-tabs .download-tab{background:var(--teal);color:#fff;border-radius:13px;padding:6px 15px}.mobile-tabs .download-tab .tab-icon{font-size:16px}}
    @media(max-width:520px){section{padding:60px 0}.hero{min-height:575px}.eyebrow{font-size:11px}.search-shell{flex-direction:column}.search-btn{width:100%}.hero-data{margin-top:23px}.hero-data b{font-size:16px}.hero-data span{font-size:10px}.app-section{padding:60px 0}.device-card{min-height:330px}.promise-grid,.stats-grid,.steps-grid,.service-grid,.topic-grid,.mini-grid{grid-template-columns:1fr}.promise-item,.stat{border-right:0!important}.step{padding:0 0 22px 63px}.step:not(:last-child):after{width:1px;height:calc(100% - 42px);left:22px;top:45px}.step-num{position:absolute;left:0;top:0}.topic-head{align-items:start;flex-direction:column}.update-item{grid-template-columns:1fr;gap:4px}.footer-links{grid-template-columns:repeat(2,1fr)}.download-box{align-items:flex-start}.section-title{font-size:29px}}

/* roulang page: category1 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}
.nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}
.nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
section{padding:84px 0}
.section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}
.section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}
.section-intro{max-width:710px;color:var(--muted);font-size:16px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}
.btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 13px 25px rgba(11,122,117,.25)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d86645;transform:translateY(-2px)}
.btn:focus,a:focus,button:focus,input:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
.page-hero{position:relative;overflow:hidden;background:linear-gradient(105deg,rgba(10,37,45,.95),rgba(8,83,80,.83)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;padding:76px 0 72px}
.page-hero:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(225,255,243,.22);border-radius:50%;right:-110px;bottom:-210px;box-shadow:0 0 0 52px rgba(229,255,244,.05),0 0 0 104px rgba(229,255,244,.035)}
.page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.crumb{font-size:13px;color:#c4e8de;margin-bottom:18px}
.crumb a:hover{text-decoration:underline}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(223,245,235,.14);border:1px solid rgba(223,245,235,.34);border-radius:999px;padding:6px 12px;font-size:13px;color:#e0f9f0}
.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.15;letter-spacing:-.05em;margin:17px 0;color:#fff;font-weight:850}
.page-hero p{color:#ddf1ec;font-size:17px;max-width:620px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.download-panel{padding:25px;border-radius:26px;background:rgba(255,255,255,.94);box-shadow:0 20px 50px rgba(0,19,24,.22);color:var(--text)}
.download-panel h2{font-size:20px;color:var(--ink);margin:0 0 5px;font-weight:800}
.download-panel p{color:var(--muted);font-size:14px;margin:0 0 17px}
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.platform-card{border:1px solid var(--line);border-radius:16px;padding:15px;background:#fff;transition:.25s}
.platform-card:hover{border-color:#8bcfbb;transform:translateY(-2px);box-shadow:0 10px 22px rgba(17,42,54,.08)}
.platform-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:#e7f6f0;color:var(--teal);font-weight:900;margin-bottom:9px}
.platform-card b{display:block;color:var(--ink);font-size:15px}
.platform-card span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.panel-tip{margin:16px 0 0;padding:11px 13px;border-radius:12px;background:#fff6ef;color:#925038;font-size:12px;line-height:1.6}
.metrics{padding:0;background:var(--teal);color:#fff}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:28px 28px;border-right:1px solid rgba(255,255,255,.17)}
.metric:last-child{border:0}
.metric b{display:block;font-size:28px;line-height:1.2;color:#c4f5df}
.metric span{font-size:13px;color:#e1f3ee}
.intro-split{display:grid;grid-template-columns:.88fr 1.12fr;gap:64px;align-items:start}
.intro-copy{font-size:16px;color:var(--muted)}
.intro-copy p:first-child{margin-top:0}
.info-stack{display:grid;gap:14px}
.info-row{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:17px;border:1px solid var(--line);border-radius:17px;background:#fff}
.info-num{width:36px;height:36px;background:var(--mint);color:var(--teal);border-radius:11px;display:grid;place-items:center;font-weight:850}
.info-row h3{font-size:16px;color:var(--ink);margin:0 0 3px}
.info-row p{font-size:13px;color:var(--muted);margin:0}
.soft-section{background:var(--sand)}
.service-matrix{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.matrix-feature{min-height:390px;position:relative;overflow:hidden;border-radius:var(--radius);background:url('/assets/images/coverpic/cover-4.webp') center/cover;display:flex;align-items:end;padding:28px;color:#fff}
.matrix-feature:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,46,50,.08),rgba(10,37,43,.9))}
.matrix-feature>*{position:relative;z-index:1}
.matrix-feature h3{font-size:27px;line-height:1.3;margin:8px 0}
.matrix-feature p{margin:0;color:#e2f2ed;font-size:14px;max-width:480px}
.matrix-side{display:grid;gap:20px}
.matrix-box{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.matrix-box h3{font-size:18px;color:var(--ink);margin:10px 0 7px}
.matrix-box p{font-size:14px;color:var(--muted);margin:0}
.mini-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#e7f6f0;color:var(--teal);font-weight:900;font-size:18px}
.compare-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}
.compare-image{border-radius:25px;min-height:410px;background:url('/assets/images/coverpic/cover-7.webp') center/cover;box-shadow:var(--shadow)}
.compare-list{display:grid;gap:11px;margin-top:24px}
.compare-item{padding:16px 18px;border-left:4px solid var(--teal);background:#f1f8f5;border-radius:0 14px 14px 0}
.compare-item b{display:block;color:var(--ink);font-size:15px}
.compare-item span{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.steps{background:var(--ink);color:#fff}
.steps .section-title{color:#fff}
.steps .section-intro{color:#bfd3d2}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.step{position:relative;padding:23px 20px;border:1px solid rgba(220,245,237,.17);border-radius:18px;background:rgba(255,255,255,.05)}
.step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--coral);font-size:14px;margin-bottom:28px}
.step h3{font-size:17px;margin:0 0 8px}
.step p{font-size:13px;line-height:1.7;color:#c8dcda;margin:0}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:.25s}
.scene-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#9ad5c3}
.scene-card h3{color:var(--ink);font-size:18px;margin:14px 0 8px}
.scene-card p{font-size:14px;color:var(--muted);margin:0}
.scene-tag{font-size:12px;font-weight:800;color:var(--teal);letter-spacing:.08em}
.faq-section{background:#eff7f3}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;align-items:start}
.faq-list{display:grid;gap:11px}
.faq-item{border:1px solid #cfe1da;border-radius:16px;background:#fff;overflow:hidden}
.faq-item summary{padding:17px 19px;cursor:pointer;color:var(--ink);font-weight:750;font-size:15px;list-style:none;position:relative;padding-right:48px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:18px;top:13px;color:var(--teal);font-size:22px;font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 19px 18px;color:var(--muted);font-size:14px}
.cta-band{padding:0 0 88px;background:#eff7f3}
.cta-box{position:relative;overflow:hidden;border-radius:26px;padding:48px 52px;background:linear-gradient(105deg,var(--teal2),var(--teal));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-box:after{content:"";position:absolute;width:270px;height:270px;border-radius:50%;right:-70px;top:-135px;border:42px solid rgba(255,255,255,.09)}
.cta-box>div{position:relative;z-index:1}
.cta-box h2{margin:0 0 9px;font-size:31px;letter-spacing:-.03em}
.cta-box p{margin:0;color:#d7f0e8;max-width:650px;font-size:15px}
.site-footer{background:#102a35;color:#c7d8d6;padding:62px 0 24px}
.footer-grid{display:grid;grid-template-columns:.9fr 1.5fr;gap:80px;padding-bottom:42px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:410px;margin:18px 0 0}
.text-white{color:#fff}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-links h4{font-size:14px;letter-spacing:.06em;color:#fff;margin:2px 0 15px}
.footer-links a{display:block;font-size:13px;color:#b9cfcc;margin:8px 0;transition:.2s}
.footer-links a:hover{color:#9ce4cf;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(223,245,235,.14);padding-top:20px;display:flex;gap:10px 18px;flex-wrap:wrap;font-size:12px;color:#9eb5b2}
.footer-bottom a:hover{color:#fff}
.mobile-tabs{display:none}
@media(max-width:1024px){
.main-nav a{padding:8px 7px;font-size:13px}
.page-hero-grid,.intro-split,.compare-wrap,.faq-layout{gap:34px}
}
@media(max-width:768px){
.container{width:min(100% - 32px,1180px)}
.site-header{position:sticky}
.nav-wrap{height:66px}
.main-nav{display:none}
.page-hero{padding:54px 0 62px}
.page-hero-grid,.intro-split,.service-matrix,.compare-wrap,.faq-layout{grid-template-columns:1fr}
.page-hero h1{font-size:40px}
.download-panel{max-width:590px}
.metrics-grid{grid-template-columns:1fr 1fr}
.metric:nth-child(2){border-right:0}
.metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.17)}
.scene-grid{grid-template-columns:1fr 1fr}
.step-grid{grid-template-columns:1fr 1fr}
.compare-image{min-height:280px;order:2}
.cta-box{padding:36px 30px;display:block}
.cta-box .btn{margin-top:23px}
.footer-grid{grid-template-columns:1fr;gap:34px}
.mobile-tabs{display:flex;position:fixed;z-index:60;bottom:12px;left:12px;right:12px;padding:7px;background:rgba(255,253,249,.95);backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:0 12px 35px rgba(17,42,54,.17);border-radius:18px;justify-content:space-around}
.mobile-tabs a{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:57px;padding:5px;color:var(--muted);font-size:10px;border-radius:11px}
.mobile-tabs a b{font-size:17px;line-height:1;font-weight:600}
.mobile-tabs a.active{background:#e8f7f1;color:var(--teal);font-weight:800}
.site-footer{padding-bottom:92px}
}
@media(max-width:520px){
section{padding:62px 0}
.page-hero h1{font-size:35px}
.page-hero p{font-size:15px}
.platform-grid,.scene-grid,.step-grid{grid-template-columns:1fr}
.metrics-grid{grid-template-columns:1fr}
.metric,.metric:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.17)}
.metric:last-child{border-bottom:0}
.hero-actions .btn{width:100%}
.section-title{font-size:29px}
.footer-links{grid-template-columns:1fr 1fr;gap:22px}
.footer-links>div:last-child{grid-column:1/-1}
.cta-box{padding:30px 24px}
.cta-box h2{font-size:26px}
}

/* roulang page: category3 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.92)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}
    .main-nav .nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}
    .main-nav .nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
    .page-hero{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center;background:linear-gradient(100deg,rgba(9,35,42,.93),rgba(8,75,72,.81) 54%,rgba(12,58,61,.52)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .page-hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-180px;top:-210px;border:1px solid rgba(255,255,255,.2);box-shadow:0 0 0 48px rgba(223,245,235,.06),0 0 0 102px rgba(223,245,235,.04)}
    .page-hero .container{position:relative;z-index:1}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px;padding:74px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:999px;font-size:13px;letter-spacing:.08em}
    h1{font-size:clamp(36px,5vw,61px);line-height:1.13;letter-spacing:-.05em;margin:18px 0;color:#fff;font-weight:850}
    .hero-copy{font-size:17px;max-width:635px;line-height:1.9;color:#ddedea;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.22)}
    .btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 13px 25px rgba(11,122,117,.34)}
    .btn-light{background:#fff;color:var(--ink);border-color:#fff}
    .btn-light:hover{background:#eef9f4;color:var(--teal);transform:translateY(-2px)}
    .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06)}
    .btn-outline:hover{background:#fff;color:var(--teal)}
    .btn:focus,a:focus,button:focus,input:focus,select:focus{outline:3px solid rgba(237,123,89,.42);outline-offset:3px}
    .booking-panel{padding:24px;border-radius:25px;background:rgba(255,255,255,.96);color:var(--text);box-shadow:0 25px 55px rgba(0,0,0,.23)}
    .booking-panel h2{font-size:22px;line-height:1.35;color:var(--ink);margin:0 0 5px;font-weight:850}
    .booking-panel p{font-size:13px;color:var(--muted);margin:0 0 17px}
    .time-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-bottom:14px}
    .time-slot{border:1px solid var(--line);border-radius:12px;padding:10px 9px;text-align:center;font-size:13px;color:#53646b;background:#fff;transition:.2s}
    .time-slot:hover,.time-slot.selected{border-color:var(--teal);background:#edfaf5;color:var(--teal);font-weight:800}
    .panel-note{display:flex;align-items:flex-start;gap:8px;border-top:1px solid var(--line);padding-top:13px;color:var(--muted);font-size:12px;line-height:1.55}
    section{padding:84px 0}
    .section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}
    .section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}
    .section-intro{max-width:740px;color:var(--muted);font-size:16px;margin:0}
    .dashboard{margin-top:-53px;position:relative;z-index:2}
    .metric-board{display:grid;grid-template-columns:repeat(4,1fr);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(220,229,226,.8)}
    .metric{padding:23px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border:0}
    .metric b{display:block;color:var(--teal);font-size:28px;line-height:1.15;letter-spacing:-.04em}
    .metric span{display:block;margin-top:7px;color:var(--muted);font-size:13px}
    .guide-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:58px;align-items:start}
    .sticky-copy{position:sticky;top:105px}
    .guide-list{display:grid;gap:14px}
    .guide-item{display:grid;grid-template-columns:58px 1fr;gap:17px;padding:21px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}
    .guide-item:hover{transform:translateX(4px);border-color:#98d4c0;box-shadow:0 12px 28px rgba(17,42,54,.08)}
    .guide-num{width:46px;height:46px;border-radius:14px;background:#e9f7f1;color:var(--teal);display:grid;place-items:center;font-weight:850;font-size:16px}
    .guide-item h3{font-size:18px;line-height:1.35;color:var(--ink);margin:2px 0 6px;font-weight:800}
    .guide-item p{font-size:14px;color:var(--muted);margin:0}
    .service-section{background:var(--sand)}
    .matrix-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .matrix-note{max-width:360px;border-left:3px solid var(--coral);padding-left:14px;color:#66777d;font-size:14px}
    .service-matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .service-card{position:relative;overflow:hidden;border-radius:22px;background:#fff;border:1px solid var(--line);padding:25px;min-height:225px;transition:.28s}
    .service-card:hover{transform:translateY(-5px);border-color:#91cfbc;box-shadow:var(--shadow)}
    .service-card.large{grid-column:span 6;background:var(--ink);color:#fff}
    .service-card.medium{grid-column:span 3}
    .service-card h3{font-size:20px;line-height:1.3;margin:15px 0 8px;font-weight:850;color:var(--ink)}
    .service-card.large h3{color:#fff}
    .service-card p{margin:0;color:var(--muted);font-size:14px}
    .service-card.large p{color:#d2e3df}
    .card-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#eaf8f2;color:var(--teal);font-size:20px;font-weight:900}
    .large .card-icon{background:rgba(167,240,214,.16);color:#a7f0d6}
    .card-link{display:inline-block;margin-top:16px;font-size:13px;color:var(--teal);font-weight:800}
    .large .card-link{color:#a7f0d6}
    .image-story{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .image-frame{position:relative;min-height:480px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
    .image-frame img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 43%,rgba(10,39,45,.82))}
    .image-caption{position:absolute;z-index:1;bottom:28px;left:28px;right:28px;color:#fff}
    .image-caption b{font-size:21px;display:block;margin-bottom:4px}
    .image-caption span{font-size:14px;color:#dcebe8}
    .check-list{padding:0;margin:24px 0;list-style:none}
    .check-list li{padding:11px 0 11px 30px;position:relative;border-bottom:1px dashed #cbdcd5;font-size:14px;color:#4e6169}
    .check-list li:before{content:"✓";position:absolute;left:2px;color:var(--teal);font-weight:900;font-size:17px}
    .compare-section{background:#eff7f3}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:31px}
    .compare-card{padding:30px;border-radius:22px;border:1px solid var(--line);background:#fff}
    .compare-card.recommended{background:var(--teal);border-color:var(--teal);color:#fff;box-shadow:0 16px 36px rgba(11,122,117,.2)}
    .compare-card .tag{display:inline-block;padding:4px 10px;border-radius:999px;background:#f3f5f4;color:#687980;font-size:12px;font-weight:750}
    .recommended .tag{background:rgba(255,255,255,.16);color:#dff5eb}
    .compare-card h3{font-size:24px;line-height:1.35;color:var(--ink);margin:15px 0 8px;font-weight:850}
    .recommended h3{color:#fff}
    .compare-card p{margin:0;font-size:14px;color:var(--muted)}
    .recommended p{color:#d8ede6}
    .compare-list{list-style:none;padding:0;margin:19px 0 0}
    .compare-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
    .recommended .compare-list li{border-color:rgba(255,255,255,.18)}
    .process-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
    .process-image{border-radius:24px;overflow:hidden;min-height:420px;box-shadow:var(--shadow)}
    .process-image img{height:420px;width:100%;object-fit:cover}
    .steps{counter-reset:step}
    .step{position:relative;padding:0 0 24px 58px;min-height:72px}
    .step:before{counter-increment:step;content:"0" counter(step);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:12px;background:var(--mint);color:var(--teal);display:grid;place-items:center;font-weight:850}
    .step:not(:last-child):after{content:"";position:absolute;left:18px;top:45px;width:1px;height:36px;background:#b9d8ce}
    .step h3{font-size:17px;line-height:1.4;color:var(--ink);margin:0 0 4px;font-weight:800}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .notice-section{padding:0;background:var(--ink)}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14)}
    .notice-item{padding:31px;background:var(--ink);color:#fff}
    .notice-item b{display:block;font-size:18px;margin-bottom:7px}
    .notice-item p{margin:0;color:#c8dad6;font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 50px 18px 20px;font-weight:800;color:var(--ink);position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:20px;top:14px;color:var(--teal);font-size:23px;font-weight:400}
    .faq-item[open] summary{color:var(--teal);background:#f3fbf7}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 20px 19px;color:var(--muted);font-size:14px}
    .cta-section{padding:84px 0}
    .cta-box{position:relative;overflow:hidden;padding:54px 60px;border-radius:28px;background:linear-gradient(110deg,#0b7a75,#105f64);color:#fff}
    .cta-box:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-100px;top:-145px;border:1px solid rgba(255,255,255,.28);box-shadow:0 0 0 45px rgba(255,255,255,.05),0 0 0 95px rgba(255,255,255,.04)}
    .cta-content{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box h2{font-size:clamp(27px,4vw,39px);line-height:1.25;margin:0 0 9px;font-weight:850}
    .cta-box p{max-width:650px;margin:0;color:#d9efea;font-size:15px}
    .cta-form{position:relative;z-index:1;display:flex;gap:9px;background:#fff;padding:7px;border-radius:15px;min-width:330px}
    .cta-form input{border:0;outline:0;min-width:0;flex:1;padding:9px 11px;color:var(--text);font-size:14px}
    .cta-form button{border:0;border-radius:10px;background:var(--coral);color:#fff;padding:10px 15px;font-weight:800;white-space:nowrap;transition:.2s}
    .cta-form button:hover{background:#d96748;transform:translateY(-1px)}
    .site-footer{background:#102b35;color:#d9e5e2;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;padding-bottom:40px}
    .footer-brand p{font-size:14px;color:#afc5c1;max-width:430px;margin:18px 0 0}
    .text-white{color:#fff}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .footer-links h4{font-size:14px;color:#fff;margin:4px 0 15px;font-weight:800}
    .footer-links a{display:block;color:#afc5c1;font-size:13px;padding:4px 0;transition:.2s}
    .footer-links a:hover{color:#a7f0d6;transform:translateX(2px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 21px;font-size:12px;color:#96b0ab}
    .footer-bottom a{color:#a7f0d6}
    .mobile-tabs{display:none}
    @media(max-width:1100px){.main-nav a{padding:8px 7px;font-size:13px}.hero-grid{gap:30px}.service-card.medium{grid-column:span 6}.footer-grid{gap:40px}}
    @media(max-width:850px){.main-nav{overflow-x:auto;max-width:72%;padding-bottom:2px}.main-nav::-webkit-scrollbar{display:none}.main-nav a{flex:none}.nav-cta{display:none}.hero-grid,.guide-layout,.image-story,.process-wrap,.faq-layout{grid-template-columns:1fr}.page-hero{min-height:auto}.hero-grid{padding:65px 0}.booking-panel{max-width:520px}.dashboard{margin-top:-22px}.metric-board{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.sticky-copy{position:static}.matrix-head{display:block}.matrix-note{margin-top:18px}.image-frame{min-height:370px}.faq-layout{gap:28px}.cta-content{display:block}.cta-form{margin-top:24px;max-width:470px}.footer-grid{grid-template-columns:1fr}.mobile-tabs{display:flex;position:fixed;z-index:60;bottom:12px;left:12px;right:12px;justify-content:space-around;gap:4px;padding:8px;background:rgba(255,253,249,.95);backdrop-filter:blur(18px);border:1px solid rgba(220,229,226,.95);box-shadow:0 12px 32px rgba(17,42,54,.16);border-radius:18px}.mobile-tabs a{flex:1;text-align:center;font-size:11px;color:#62727a;padding:5px 3px;border-radius:11px}.mobile-tabs a span{display:block;font-size:17px;line-height:1.2}.mobile-tabs a.active{background:#eaf8f2;color:var(--teal);font-weight:800}body{padding-bottom:78px}}
    @media(max-width:560px){.container{width:min(100% - 28px,1180px)}.site-header{position:relative}.nav-wrap{height:66px}.logo{font-size:18px}.logo-mark{width:31px;height:31px}.main-nav{display:none}section{padding:61px 0}.hero-grid{padding:54px 0;gap:27px}.hero-copy{font-size:15px}.booking-panel{padding:19px}.time-list{gap:7px}.metric{padding:18px 15px}.metric b{font-size:24px}.service-matrix{gap:13px}.service-card.large,.service-card.medium{grid-column:span 12}.service-card{min-height:unset;padding:21px}.image-frame{min-height:320px}.comparison{grid-template-columns:1fr}.compare-card{padding:24px}.process-image,.process-image img{min-height:280px;height:280px}.notice-grid{grid-template-columns:1fr}.notice-item{padding:24px}.cta-box{padding:36px 23px}.cta-form{min-width:0;display:block;background:transparent;padding:0}.cta-form input{display:block;width:100%;border-radius:11px;padding:12px;margin-bottom:9px}.cta-form button{width:100%}.footer-links{grid-template-columns:repeat(2,1fr);gap:23px}.footer-links>div:last-child{grid-column:span 2}.footer-bottom{display:grid;gap:7px}.image-caption{left:20px;bottom:20px}.section-intro{font-size:15px}}

/* roulang page: category2 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s}.main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}.main-nav .nav-cta{background:var(--ink);color:#fff;padding:10px 15px}.main-nav .nav-cta:hover{background:var(--teal);color:#fff;transform:translateY(-1px)}
    .page-hero{position:relative;min-height:450px;display:flex;align-items:center;background:linear-gradient(100deg,rgba(10,32,42,.93),rgba(11,66,65,.72)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;overflow:hidden}.page-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(223,245,235,.3);border-radius:50%;right:-120px;top:-170px;box-shadow:0 0 0 44px rgba(223,245,235,.06),0 0 0 92px rgba(223,245,235,.04)}.hero-copy{position:relative;z-index:1;max-width:760px;padding:76px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow{padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12)}.hero-copy h1{font-size:clamp(34px,6vw, sixty);font-size:clamp(34px,6vw, sixty);font-size:clamp(34px,6vw,60px);line-height:1.16;letter-spacing:-.05em;margin:19px 0 18px}.hero-copy p{font-size:17px;color:#e0eeeb;max-width:700px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}.btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}.btn-primary:hover{background:var(--teal2);transform:translateY(-2px)}.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}.btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}.btn-outline{background:transparent;border-color:#9bcfc0;color:var(--teal)}.btn-outline:hover{background:var(--teal);color:#fff}.btn:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
    section{padding:82px 0}.section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}.section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}.section-intro{max-width:710px;color:var(--muted);font-size:16px;margin:0}.section-head{margin-bottom:34px}.soft{background:var(--sand)}.mint{background:#eff7f3}
    .metric-strip{background:var(--teal);color:#fff;padding:0}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{padding:28px 24px;border-right:1px solid rgba(255,255,255,.2)}.metric:last-child{border:0}.metric strong{display:block;font-size:31px;color:#a7f0d6;line-height:1.2}.metric span{font-size:13px;color:#d8ece6}
    .two-col{display:grid;grid-template-columns:.86fr 1.14fr;gap:64px;align-items:center}.photo-panel{border-radius:28px;overflow:hidden;min-height:390px;background:url('/assets/images/coverpic/cover-5.webp') center/cover;box-shadow:var(--shadow);position:relative}.photo-panel:after{content:"账户服务";position:absolute;left:24px;bottom:20px;color:#fff;font-size:28px;font-weight:800;text-shadow:0 3px 16px #062c30}.check-list{padding:0;margin:24px 0;list-style:none}.check-list li{padding:11px 0 11px 30px;position:relative;border-bottom:1px dashed #cbdcd5;font-size:15px}.check-list li:before{content:"✓";position:absolute;left:1px;color:var(--teal);font-weight:900}
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.service-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.28s}.service-card:hover{border-color:#94d3c0;box-shadow:var(--shadow);transform:translateY(-4px)}.service-card .num{width:38px;height:38px;display:grid;place-items:center;background:var(--mint);color:var(--teal);border-radius:12px;font-weight:800}.service-card h3{font-size:19px;margin:16px 0 8px;color:var(--ink);font-weight:800}.service-card p{color:var(--muted);font-size:14px;margin:0}.service-card a{font-size:13px;color:var(--teal);font-weight:700;display:inline-block;margin-top:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.process:before{content:"";position:absolute;top:27px;left:10%;right:10%;border-top:1px dashed #9acabd}.step{position:relative;z-index:1;background:var(--paper);text-align:center}.step b{margin:auto;width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;font-size:20px;box-shadow:0 0 0 8px var(--mint)}.step h3{font-size:17px;color:var(--ink);margin:23px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-box{border-radius:20px;padding:30px;border:1px solid var(--line);background:#fff}.compare-box.featured{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:var(--shadow)}.compare-box h3{font-size:21px;margin:0 0 15px}.compare-box p{font-size:14px;color:var(--muted)}.featured p{color:#c9ded9}.compare-box ul{padding:0;margin:20px 0 0;list-style:none}.compare-box li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.featured li{border-color:rgba(255,255,255,.15)}.compare-box li:before{content:"•";color:var(--coral);font-weight:900;margin-right:9px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;padding:19px 21px}.faq-item summary{cursor:pointer;color:var(--ink);font-weight:800;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--teal);font-size:20px}.faq-item[open] summary:after{content:"−"}.faq-item p{font-size:14px;color:var(--muted);margin:12px 0 0}
    .cta{background:linear-gradient(110deg,#075f5b,#0b7a75);color:#fff}.cta-grid{display:grid;grid-template-columns:1fr .85fr;gap:45px;align-items:center}.cta h2{font-size:clamp(28px,4vw,43px);line-height:1.25;margin:8px 0 15px}.cta p{color:#d9eee8}.contact-form{background:#fff;border-radius:20px;padding:24px;box-shadow:var(--shadow)}.contact-form label{display:block;color:var(--ink);font-weight:700;font-size:13px;margin:0 0 6px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:13px;color:var(--text);background:#fff}.contact-form textarea{min-height:74px;resize:vertical}.contact-form button{width:100%;border:0}.form-note{font-size:12px;color:var(--muted);text-align:center;margin:10px 0 0}
    .site-footer{background:#112a36;color:#c9d9d6;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:60px}.footer-brand .logo{color:#fff}.footer-brand p{font-size:13px;max-width:410px;color:#a9c0bb;margin-top:18px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.footer-links h4{color:#fff;margin:0 0 13px;font-size:14px}.footer-links a{display:block;font-size:13px;color:#a9c0bb;margin:8px 0;transition:.2s}.footer-links a:hover{color:#a7f0d6}.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 22px;border-top:1px solid rgba(255,255,255,.14);padding-top:19px;margin-top:38px;font-size:12px;color:#9eb5b1}.footer-bottom a:hover{color:#a7f0d6}.mobile-tabs{display:none}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.two-col{gap:35px}.container{width:min(100% - 32px,1180px)}}
    @media(max-width:768px){.nav-wrap{height:68px}.main-nav{display:none}.page-hero{min-height:500px}.hero-copy{padding:65px 0}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric{border-bottom:1px solid rgba(255,255,255,.2)}section{padding:63px 0}.two-col,.cta-grid{grid-template-columns:1fr}.photo-panel{min-height:300px}.process{grid-template-columns:repeat(2,1fr);gap:35px}.process:before{display:none}.footer-grid{grid-template-columns:1fr;gap:30px}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,249,.96);backdrop-filter:blur(15px);border-top:1px solid var(--line);padding:8px 4px calc(8px + env(safe-area-inset-bottom))}.mobile-tabs a{text-align:center;color:var(--muted);font-size:11px}.mobile-tabs a span{display:block;font-size:19px;line-height:1.1;margin-bottom:2px}.mobile-tabs a.active{color:var(--teal);font-weight:800}.site-footer{padding-bottom:90px}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.hero-copy h1{font-size:38px}.hero-copy p{font-size:15px}.hero-actions .btn{width:100%}.metric strong{font-size:26px}.matrix,.comparison,.faq-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-links>div:last-child{grid-column:span 2}.section-title{font-size:30px}}

/* roulang page: category4 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px;--dark:#0b2730}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s}
.main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}
.nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}
.nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
section{padding:84px 0}
.section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}
.section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.28;color:var(--ink);margin:8px 0 14px;font-weight:850}
.section-intro{max-width:760px;color:var(--muted);font-size:16px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}
.btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 13px 25px rgba(11,122,117,.25)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d96140;transform:translateY(-2px)}
.btn:focus,a:focus,button:focus,input:focus,textarea:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
.hero-security{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(10,35,43,.95),rgba(7,76,72,.86)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;padding:72px 0 80px}
.hero-security:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(222,255,241,.18);border-radius:50%;right:-210px;top:-245px;box-shadow:0 0 0 56px rgba(222,255,241,.04),0 0 0 126px rgba(222,255,241,.025)}
.breadcrumb{position:relative;z-index:1;display:flex;gap:9px;align-items:center;font-size:13px;color:#cfe6df;margin-bottom:42px}
.breadcrumb a:hover{color:#fff}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .95fr;gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(37px,5.3vw,66px);line-height:1.12;letter-spacing:-.055em;margin:15px 0 20px;font-weight:900}
.hero-copy p{font-size:17px;color:#d9ebe6;max-width:610px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:999px;font-size:13px;letter-spacing:.08em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-actions .btn-light{background:rgba(255,255,255,.94)}
.security-stage{position:relative;border:1px solid rgba(225,255,245,.25);border-radius:28px;padding:20px;background:rgba(255,255,255,.09);box-shadow:0 26px 70px rgba(0,0,0,.23);backdrop-filter:blur(11px)}
.screen-head{display:flex;align-items:center;justify-content:space-between;padding:2px 4px 18px;border-bottom:1px solid rgba(255,255,255,.15);font-size:13px;color:#d6ebe5}
.live-dot{display:flex;align-items:center;gap:7px;color:#a8f1d5;font-weight:700}
.live-dot i{width:8px;height:8px;border-radius:50%;background:#7be0b3;box-shadow:0 0 0 5px rgba(123,224,179,.13)}
.shield-icon{width:72px;height:78px;margin:28px auto 14px;border-radius:24px 24px 30px 30px;background:linear-gradient(145deg,#8be6c5,#36a89b);display:grid;place-items:center;color:#083f42;font-size:35px;font-weight:900;box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.stage-title{text-align:center;font-size:20px;font-weight:800}
.stage-note{text-align:center;color:#c8e5dd;font-size:13px;margin:4px 0 19px}
.stage-list{display:grid;gap:10px}
.stage-row{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;border-radius:12px;background:rgba(255,255,255,.1);font-size:13px}
.stage-row b{color:#fff}
.state-ok{color:#aaf2d5;font-weight:750}
.metrics{padding:0;background:var(--teal);color:#fff}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:29px 28px;border-right:1px solid rgba(255,255,255,.18)}
.metric:last-child{border:0}
.metric strong{display:block;font-size:31px;letter-spacing:-.04em}
.metric span{font-size:13px;color:#c6e4dc}
.dashboard{background:var(--sand)}
.dashboard-top{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.status-board{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.status-main,.status-side,.protection-card,.process-card,.faq-item,.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(17,42,54,.05)}
.status-main{padding:28px}
.board-label{font-size:13px;font-weight:800;color:var(--teal);letter-spacing:.08em}
.board-title{font-size:25px;line-height:1.35;color:var(--ink);margin:8px 0}
.status-lines{margin-top:22px}
.status-line{display:grid;grid-template-columns:132px 1fr auto;gap:12px;align-items:center;padding:13px 0;border-top:1px solid #edf1ef;font-size:14px}
.bar{height:9px;border-radius:99px;background:#e9f0ed;overflow:hidden}
.bar span{display:block;height:100%;border-radius:99px;background:var(--teal)}
.status-side{padding:25px;background:var(--ink);color:#fff}
.status-side h3{font-size:19px;margin:0 0 14px}
.status-side p{font-size:14px;color:#cadbd8;margin:0 0 20px}
.safe-points{padding:0;margin:0;list-style:none}
.safe-points li{padding:9px 0 9px 27px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;position:relative}
.safe-points li:before{content:"✓";position:absolute;left:0;color:#8ce5c3;font-size:16px;font-weight:900}
.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:start}
.sticky-copy{position:sticky;top:106px}
.sticky-copy p{color:var(--muted);font-size:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}
.tag{border:1px solid #bbe0d3;background:#effaf5;color:var(--teal2);padding:5px 10px;font-size:12px;border-radius:999px;font-weight:750}
.protection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.protection-card{padding:23px;transition:.25s}
.protection-card:hover{border-color:#94d3c0;box-shadow:var(--shadow);transform:translateY(-4px)}
.icon-box{width:43px;height:43px;border-radius:14px;background:var(--mint);display:grid;place-items:center;color:var(--teal2);font-weight:900;font-size:18px}
.protection-card h3{margin:15px 0 8px;font-size:18px;color:var(--ink)}
.protection-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.image-story{background:#eff7f3}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.story-image{min-height:455px;border-radius:28px;overflow:hidden;position:relative;background:url('/assets/images/coverpic/cover-7.webp') center/cover;box-shadow:var(--shadow)}
.story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(9,43,47,.76))}
.image-caption{position:absolute;z-index:1;bottom:25px;left:25px;right:25px;color:#fff}
.image-caption b{font-size:21px;display:block}
.image-caption span{font-size:13px;color:#d7e9e5}
.story-copy p{color:var(--muted);font-size:16px}
.check-list{padding:0;margin:22px 0;list-style:none}
.check-list li{padding:10px 0 10px 30px;position:relative;border-bottom:1px dashed #cbdcd5;font-size:14px}
.check-list li:before{content:"✓";position:absolute;left:2px;color:var(--teal);font-weight:900;font-size:17px}
.process-wrap{background:var(--ink);color:#fff}
.process-wrap .section-title{color:#fff}
.process-wrap .section-intro{color:#bed1cf}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:35px}
.process-card{position:relative;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14);padding:23px;color:#fff;box-shadow:none}
.process-card:after{content:"";position:absolute;top:42px;right:-13px;width:11px;height:1px;background:#75bea9}
.process-card:last-child:after{display:none}
.process-no{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--coral);font-size:13px;font-weight:900}
.process-card h3{font-size:18px;margin:16px 0 8px}
.process-card p{margin:0;color:#c7d9d6;font-size:13px;line-height:1.7}
alert{display:block}
.alert-section{padding:78px 0;background:var(--paper)}
.alert-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}
.alert-panel{padding:25px;border-radius:24px;background:#fff8f4;border:1px solid #f4d3c8}
.alert-panel h3{margin:0 0 12px;font-size:21px;color:var(--ink)}
.alert-panel p{color:var(--muted);font-size:14px;margin:0}
.alert-list{display:grid;gap:13px}
.alert-item{display:flex;gap:15px;padding:16px 17px;border-bottom:1px solid var(--line)}
.alert-item:last-child{border-bottom:0}
.alert-num{flex:0 0 auto;width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:#fce6dd;color:#c3583c;font-size:12px;font-weight:900}
.alert-item b{color:var(--ink);font-size:15px}
.alert-item p{margin:2px 0 0;color:var(--muted);font-size:13px;line-height:1.65}
.faq-section{background:var(--sand)}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{overflow:hidden;box-shadow:none}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:#fff;border:0;padding:19px 21px;color:var(--ink);font-weight:800;font-size:16px}
.faq-question span:last-child{font-size:22px;color:var(--teal);font-weight:400;transition:.25s}
.faq-answer{display:none;padding:0 21px 20px;color:var(--muted);font-size:14px;border-top:1px solid #edf1ef}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.contact-section{padding:86px 0}
.contact-card{overflow:hidden;display:grid;grid-template-columns:1fr .85fr;background:var(--teal);border:0;box-shadow:var(--shadow)}
.contact-copy{padding:45px;color:#fff}
.contact-copy .section-kicker{color:#b4efd8}
.contact-copy .section-title{color:#fff;max-width:600px}
.contact-copy p{color:#d4e9e3;max-width:590px}
.contact-copy .btn-light{margin-top:13px}
.form-area{padding:34px;background:#fff}
.form-area h3{font-size:21px;color:var(--ink);margin:0 0 5px}
.form-area p{font-size:13px;color:var(--muted);margin:0 0 17px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.form-grid input,.form-grid textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:0;color:var(--text);font-size:14px;background:#fff}
.form-grid textarea{grid-column:1/-1;resize:vertical;min-height:82px}
.form-grid input:focus,.form-grid textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(11,122,117,.12)}
.form-area .btn{width:100%;margin-top:12px}
.form-note{font-size:12px!important;color:#7a898d!important;margin-top:10px!important}
.site-footer{background:var(--ink);color:#c8d8d5;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.1fr 1.6fr;gap:75px;padding-bottom:42px}
.text-white{color:#fff}
.footer-brand p{max-width:440px;font-size:14px;margin:18px 0 0;color:#b9ceca}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.footer-links h4{margin:0 0 13px;color:#fff;font-size:15px}
.footer-links a{display:block;font-size:13px;color:#b9ceca;padding:4px 0;transition:.2s}
.footer-links a:hover{color:#91e0c3;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;color:#9db5b0}
.footer-bottom a:hover{color:#91e0c3}
.mobile-tabs{display:none}
@media(max-width:1100px){.main-nav a{padding:8px 7px;font-size:13px}.nav-cta{padding:9px 11px!important}.hero-grid{gap:28px}.process-grid{grid-template-columns:repeat(2,1fr)}.process-card:after{display:none}}
@media(max-width:900px){.main-nav{overflow-x:auto;max-width:76%;padding-bottom:2px}.main-nav::-webkit-scrollbar{display:none}.hero-grid,.status-board,.split-section,.story-grid,.faq-layout,.contact-card,.alert-grid{grid-template-columns:1fr}.hero-copy{max-width:720px}.security-stage{max-width:570px}.sticky-copy{position:static}.metrics-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.18)}.footer-grid{grid-template-columns:1fr;gap:36px}.dashboard-top{align-items:start;flex-direction:column}.story-image{min-height:350px}}
@media(max-width:680px){body{padding-bottom:72px}.container{width:min(100% - 30px,1180px)}.site-header{position:relative}.nav-wrap{height:65px}.main-nav{display:none}.logo{font-size:19px}.hero-security{padding:38px 0 55px}.breadcrumb{margin-bottom:27px}.hero-copy h1{font-size:38px}.hero-copy p{font-size:15px}.hero-actions{margin-top:24px}.security-stage{padding:16px}.metrics-grid,.protection-grid,.process-grid,.form-grid{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.18);padding:22px}.metric:last-child{border-bottom:0}.status-line{grid-template-columns:1fr auto}.status-line .bar{grid-column:1/-1;grid-row:2}.section-title{font-size:29px}.section-intro{font-size:15px}section{padding:63px 0}.protection-card{padding:20px}.process-card{padding:20px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{display:grid;gap:7px}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,249,.96);backdrop-filter:blur(15px);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(17,42,54,.08)}.mobile-tabs a{display:flex;min-height:63px;align-items:center;justify-content:center;flex-direction:column;gap:2px;font-size:10px;color:#63737a}.mobile-tabs strong{font-size:17px;line-height:1;font-weight:700}.mobile-tabs a.active{color:var(--teal);font-weight:800}.mobile-tabs a:nth-child(n+6){display:none}.contact-copy,.form-area{padding:28px 23px}}
@media(max-width:420px){.footer-links{grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-copy h1{font-size:34px}.status-main,.status-side{padding:20px}.faq-question{font-size:15px;padding:17px}.mobile-tabs a{font-size:9px}}

/* roulang page: category5 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}
    .nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}
    .nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}
    .btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 13px 25px rgba(11,122,117,.25)}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
    .btn:focus,a:focus,button:focus,input:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
    section{padding:82px 0}
    .section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}
    .section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}
    .section-intro{max-width:720px;color:var(--muted);font-size:16px;margin:0}
    .page-hero{position:relative;overflow:hidden;isolation:isolate;color:#fff;background:linear-gradient(95deg,rgba(10,34,42,.94),rgba(8,94,88,.72)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;padding:82px 0 68px}
    .page-hero:before{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(216,255,238,.23);border-radius:50%;right:6%;top:-230px;box-shadow:0 0 0 58px rgba(216,255,238,.05),0 0 0 115px rgba(216,255,238,.035);z-index:-1}
    .breadcrumbs{display:flex;gap:9px;align-items:center;color:#cce5df;font-size:13px;margin-bottom:38px}
    .breadcrumbs span{opacity:.65}
    .hero-layout{display:grid;grid-template-columns:1.07fr .93fr;gap:48px;align-items:end}
    .page-hero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.12;letter-spacing:-.055em;margin:13px 0 19px;font-weight:900}
    .page-hero p{max-width:650px;margin:0;color:#d9ece7;font-size:17px;line-height:1.9}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:999px;font-size:13px;letter-spacing:.08em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-actions .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
    .hero-actions .btn-light:hover{background:#fff;color:var(--teal)}
    .update-panel{background:rgba(255,255,255,.94);color:var(--text);border-radius:24px;padding:24px;box-shadow:0 24px 55px rgba(0,0,0,.2);border:1px solid rgba(255,255,255,.55)}
    .panel-label{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.1em}
    .panel-title{font-size:22px;line-height:1.35;color:var(--ink);font-weight:850;margin:7px 0 16px}
    .panel-item{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line)}
    .panel-date{width:44px;flex:none;text-align:center;background:#e9f7f1;color:var(--teal);font-weight:850;border-radius:10px;padding:5px 2px;line-height:1.22;font-size:12px}
    .panel-item b{font-size:14px;line-height:1.5;color:var(--ink);display:block}
    .panel-item small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .metric-section{padding:0;position:relative;z-index:2;margin-top:-1px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--teal);border-radius:0 0 24px 24px;overflow:hidden;color:#fff}
    .metric{padding:25px 28px;border-right:1px solid rgba(255,255,255,.18)}
    .metric:last-child{border:0}
    .metric strong{display:block;font-size:27px;line-height:1.2;color:#c6f5e3}
    .metric span{font-size:13px;color:#e2f4ed}
    .notice-area{background:var(--sand)}
    .notice-layout{display:grid;grid-template-columns:300px 1fr;gap:54px;align-items:start}
    .filter-list{position:sticky;top:100px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 25px rgba(17,42,54,.05)}
    .filter-list b{display:block;color:var(--ink);padding:5px 10px 11px;font-size:15px}
    .filter-list a{display:flex;align-items:center;justify-content:space-between;padding:10px;border-radius:10px;font-size:14px;color:var(--muted);transition:.2s}
    .filter-list a:hover,.filter-list a.active{background:#ecf8f3;color:var(--teal);font-weight:700}
    .filter-list em{font-size:11px;font-style:normal;padding:1px 7px;border-radius:99px;background:#f0f2f0;color:#6e7b7a}
    .notice-list{display:grid;gap:13px}
    .notice-card{display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:center;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:.25s}
    .notice-card:hover{border-color:#9bd8c7;box-shadow:var(--shadow);transform:translateX(4px)}
    .notice-card time{font-size:13px;color:var(--teal);font-weight:800}
    .notice-card h3{font-size:18px;color:var(--ink);margin:0 0 4px;font-weight:850}
    .notice-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
    .read-link{color:var(--teal);font-size:13px;font-weight:800;white-space:nowrap}
    .read-link:hover{color:var(--coral)}
    .split-section{background:#fff}
    .split-grid{display:grid;grid-template-columns:.94fr 1.06fr;gap:62px;align-items:center}
    .image-stack{position:relative;padding:0 30px 28px 0}
    .image-stack img{width:100%;height:420px;object-fit:cover;border-radius:25px;box-shadow:var(--shadow)}
    .image-note{position:absolute;right:0;bottom:0;width:220px;padding:20px;background:var(--ink);color:#fff;border-radius:18px;box-shadow:0 18px 40px rgba(17,42,54,.23)}
    .image-note b{display:block;color:#a7f0d6;font-size:25px;line-height:1.1}
    .image-note span{font-size:12px;color:#d4e3df}
    .feature-list{display:grid;gap:14px;margin-top:25px}
    .feature-row{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
    .feature-icon{width:38px;height:38px;display:grid;place-items:center;flex:none;color:var(--teal);background:#eaf8f2;border-radius:12px;font-weight:900}
    .feature-row h3{margin:0 0 3px;color:var(--ink);font-size:16px;font-weight:850}
    .feature-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .timeline-section{background:#eff7f3}
    .timeline-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .timeline:before{content:"";position:absolute;left:12%;right:12%;top:35px;border-top:1px dashed #8bbcaf}
    .timeline-card{position:relative;background:#fff;border:1px solid #d9e8e2;border-radius:19px;padding:22px;z-index:1}
    .timeline-dot{width:26px;height:26px;background:var(--teal);border:6px solid #dff5eb;border-radius:50%;margin-bottom:18px}
    .timeline-card time{font-size:12px;color:var(--teal);font-weight:850;letter-spacing:.06em}
    .timeline-card h3{font-size:18px;color:var(--ink);margin:5px 0 9px;font-weight:850}
    .timeline-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-section{padding-bottom:76px}
    .guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
    .guide-card{min-height:230px;border-radius:22px;padding:29px;position:relative;overflow:hidden;color:#fff;background:var(--ink)}
    .guide-card:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(13,42,51,.95),rgba(11,122,117,.56));z-index:0}
    .guide-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
    .guide-card>*{position:relative;z-index:1}
    .guide-card h3{font-size:24px;margin:0 0 9px;font-weight:850}
    .guide-card p{max-width:420px;margin:0;color:#e0efec;font-size:14px}
    .guide-card a{display:inline-block;margin-top:20px;font-size:13px;color:#b7f2de;font-weight:800}
    .guide-card a:hover{color:#fff}
    .faq-section{background:var(--sand)}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px;align-items:start}
    .faq-side{padding:30px;background:var(--ink);color:#fff;border-radius:23px}
    .faq-side h2{font-size:28px;line-height:1.3;margin:10px 0;color:#fff;font-weight:850}
    .faq-side p{color:#cfdfdc;font-size:14px;margin:0 0 22px}
    .faq-side .btn{background:#fff;color:var(--teal)}
    .faq-side .btn:hover{background:#c9f4e5}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 20px;transition:.2s}
    details[open]{border-color:#9ed7c8;box-shadow:0 10px 22px rgba(17,42,54,.06)}
    summary{padding:17px 28px 17px 0;color:var(--ink);font-weight:800;font-size:16px;cursor:pointer;list-style:none;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;font-size:23px;font-weight:400;color:var(--teal);top:11px}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 0 18px;color:var(--muted);font-size:14px}
    .cta-section{padding:80px 0;background:var(--paper)}
    .cta-box{padding:54px 58px;border-radius:27px;color:#fff;display:flex;justify-content:space-between;gap:35px;align-items:center;background:linear-gradient(105deg,#075f5b,#0b7a75 60%,#287e75);box-shadow:var(--shadow);position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(255,255,255,.24);border-radius:50%;right:-110px;top:-130px;box-shadow:0 0 0 45px rgba(255,255,255,.06)}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(27px,3vw,38px);line-height:1.25;margin:0 0 10px;font-weight:900}
    .cta-box p{margin:0;color:#d5eee7;max-width:650px}
    .cta-box .btn-light{white-space:nowrap;border:0;color:var(--teal)}
    .site-footer{background:#102b36;color:#d3e0dd;padding:62px 0 28px}
    .footer-grid{display:grid;grid-template-columns:.95fr 1.45fr;gap:80px;padding-bottom:43px}
    .text-white{color:#fff}
    .footer-brand p{font-size:14px;max-width:430px;color:#b8cac6;margin:18px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .footer-links h4{color:#fff;margin:0 0 13px;font-size:15px}
    .footer-links a{display:block;color:#b8cac6;font-size:13px;padding:4px 0;transition:.2s}
    .footer-links a:hover{color:#9ce7cf;padding-left:3px}
    .footer-bottom{padding-top:21px;border-top:1px solid rgba(255,255,255,.13);display:flex;flex-wrap:wrap;gap:9px 19px;font-size:12px;color:#aabeba}
    .footer-bottom a:hover{color:#a7f0d6}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}
      .hero-layout,.split-grid,.faq-grid{gap:34px}
      .notice-layout{grid-template-columns:230px 1fr;gap:28px}
      .footer-grid{gap:38px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,1180px)}
      .site-header{position:relative}.nav-wrap{height:68px}.main-nav{display:none}
      .page-hero{padding:48px 0 56px}.breadcrumbs{margin-bottom:25px}.hero-layout,.split-grid,.faq-grid,.notice-layout{grid-template-columns:1fr}
      .update-panel{margin-top:5px}.metric-grid{grid-template-columns:repeat(2,1fr);border-radius:0}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.18)}
      .filter-list{position:relative;top:auto;display:flex;overflow:auto;gap:5px;padding:10px;white-space:nowrap}.filter-list b{display:none}.filter-list a{flex:none}
      .notice-card{grid-template-columns:82px 1fr;gap:14px}.notice-card .read-link{grid-column:2}
      .timeline{grid-template-columns:1fr}.timeline:before{left:13px;top:35px;bottom:35px;right:auto;border-top:0;border-left:1px dashed #8bbcaf}
      .timeline-card{padding-left:25px}.timeline-dot{position:absolute;left:-1px;top:23px;margin:0}
      .guide-layout{grid-template-columns:1fr}.timeline-head{display:block}.timeline-head .section-intro{margin-top:12px}
      .footer-grid{grid-template-columns:1fr;gap:33px}.footer-links{grid-template-columns:repeat(3,1fr)}
      .mobile-tabs{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:60;bottom:0;left:0;right:0;background:rgba(255,253,249,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line);box-shadow:0 -7px 22px rgba(17,42,54,.08)}
      .mobile-tabs a{text-align:center;font-size:10px;padding:8px 2px 7px;color:var(--muted);line-height:1.2}.mobile-tabs i{display:block;font-style:normal;font-size:18px;line-height:1.25}.mobile-tabs a.active{color:var(--teal);font-weight:800}
      body{padding-bottom:61px}
    }
    @media(max-width:520px){
      section{padding:58px 0}.page-hero h1{font-size:40px}.page-hero p{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
      .metric{padding:20px 16px}.metric strong{font-size:23px}.notice-card{display:block;padding:19px}.notice-card time{display:block;margin-bottom:9px}.notice-card h3{font-size:16px}.notice-card .read-link{display:inline-block;margin-top:10px}
      .image-stack{padding:0 16px 18px 0}.image-stack img{height:300px}.image-note{width:177px;padding:15px}.image-note b{font-size:20px}
      .guide-card{padding:25px;min-height:210px}.guide-card h3{font-size:21px}.faq-side{padding:25px}.cta-box{padding:34px 25px;display:block}.cta-box .btn{margin-top:22px;width:100%}
      .footer-links{grid-template-columns:1fr 1fr;gap:20px}.footer-links>div:last-child{grid-column:span 2}
    }

/* roulang page: category6 */
:root{--ink:#112a36;--teal:#0b7a75;--teal2:#075f5b;--mint:#dff5eb;--sand:#f7f4ed;--paper:#fffdf9;--coral:#ed7b59;--text:#20333d;--muted:#62727a;--line:#dce5e2;--shadow:0 18px 48px rgba(17,42,54,.10);--radius:22px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,226,.9)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.04em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(11,122,117,.25)}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{font-size:14px;color:#52636b;padding:9px 10px;border-radius:10px;transition:.25s}.main-nav a:hover,.main-nav a.active{color:var(--teal);background:#ecf8f3}.nav-cta{background:var(--ink);color:#fff!important;padding:10px 15px!important}.nav-cta:hover{background:var(--teal)!important;color:#fff!important;transform:translateY(-1px)}
    .hero{position:relative;min-height:575px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(10,32,42,.92),rgba(11,56,62,.75),rgba(10,42,48,.48)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;color:#fff;overflow:hidden}.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(222,255,241,.25);border-radius:50%;right:-190px;top:-160px;box-shadow:0 0 0 55px rgba(222,255,241,.05),0 0 0 112px rgba(222,255,241,.04)}.hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));margin:auto;padding:85px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:999px;font-size:13px;letter-spacing:.08em}.hero h1{font-size:clamp(38px,6vw,70px);line-height:1.12;letter-spacing:-.05em;max-width:720px;margin:20px 0 18px}.hero p{font-size:17px;line-height:1.9;color:#e0eeeb;max-width:660px;margin:0}.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 19px;font-weight:750;transition:.25s;border:1px solid transparent}.btn-primary{background:var(--teal);color:#fff;box-shadow:0 9px 19px rgba(11,122,117,.18)}.btn-primary:hover{background:var(--teal2);transform:translateY(-2px)}.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}.btn-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}.btn:focus,a:focus,button:focus,input:focus{outline:3px solid rgba(237,123,89,.4);outline-offset:3px}
    .series-bar{position:absolute;z-index:2;bottom:0;left:0;right:0;background:rgba(8,35,42,.78);border-top:1px solid rgba(255,255,255,.18)}.series-inner{display:flex;gap:8px;overflow:auto;padding:13px 0}.series-inner a{white-space:nowrap;color:#d3e5df;font-size:13px;padding:8px 13px;border-radius:9px;transition:.2s}.series-inner a:hover,.series-inner a.active{background:#dff5eb;color:var(--teal2)}
    section{padding:84px 0}.section-kicker{color:var(--teal);font-size:13px;letter-spacing:.12em;font-weight:800}.section-title{font-size:clamp(28px,4vw,42px);letter-spacing:-.035em;line-height:1.25;color:var(--ink);margin:8px 0 14px;font-weight:850}.section-intro{max-width:720px;color:var(--muted);font-size:16px;margin:0}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}.soft{background:var(--sand)}.mint{background:#eff7f3}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:38px}.metric{padding:28px 20px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{font-size:35px;color:var(--teal);display:block;line-height:1.1}.metric span{font-size:13px;color:var(--muted)}
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:35px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s}.card:hover{border-color:#94d3c0;box-shadow:var(--shadow);transform:translateY(-4px)}.icon{width:42px;height:42px;border-radius:13px;background:var(--mint);color:var(--teal);display:grid;place-items:center;font-weight:900;font-size:19px}.card h3{color:var(--ink);font-size:19px;margin:15px 0 7px}.card p{color:var(--muted);font-size:14px;margin:0}.card a{display:inline-block;color:var(--teal);font-weight:750;font-size:13px;margin-top:15px}
    .image-panel{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.image-panel img{width:100%;height:355px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}.check-list{padding:0;margin:24px 0;list-style:none}.check-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px dashed #cbdcd5;font-size:14px}.check-list li:before{content:"✓";position:absolute;left:1px;color:var(--teal);font-weight:900}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:38px}.step{position:relative;padding:20px 24px 10px;border-top:2px solid #a9d8c9}.step:before{content:attr(data-no);position:absolute;top:-18px;left:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font-weight:800}.step h3{font-size:17px;color:var(--ink);margin:18px 0 6px}.step p{font-size:13px;color:var(--muted);margin:0}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin-top:35px}.scene-large{min-height:300px;padding:30px;border-radius:24px;background:linear-gradient(135deg,rgba(11,95,91,.88),rgba(17,42,54,.78)),url('/assets/images/coverpic/cover-6.webp') center/cover;color:#fff}.scene-large h3{font-size:26px;margin:55px 0 8px}.scene-large p{color:#d8eee8;max-width:480px}.scene-side{display:grid;gap:20px}.scene-side .card{min-height:140px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:35px}.compare-box{padding:28px;border-radius:22px;background:#fff;border:1px solid var(--line)}.compare-box.highlight{background:var(--ink);color:#fff;border-color:var(--ink)}.compare-box h3{margin:0 0 15px;font-size:20px}.compare-box ul{padding:0;margin:0;list-style:none}.compare-box li{padding:10px 0;border-bottom:1px solid rgba(220,229,226,.8);font-size:14px}.highlight li{border-color:rgba(255,255,255,.16);color:#dcebe7}.faq-list{max-width:850px;margin:30px auto 0}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:0;text-align:left;padding:20px 0;color:var(--ink);font-weight:800;font-size:16px}.faq-q span{font-size:22px;color:var(--teal);transition:.25s}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{background:var(--teal);color:#fff;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-100px;top:-150px}.cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:0 0 10px}.cta p{color:#d8eee8;max-width:650px;margin:0}.site-footer{background:var(--ink);color:#d4e4e0;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px}.footer-brand p{color:#a9c0bb;font-size:13px;max-width:420px;margin-top:18px}.text-white{color:#fff}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.footer-links h4{color:#fff;margin:5px 0 15px;font-size:14px}.footer-links a{display:block;color:#a9c0bb;font-size:13px;margin:8px 0;transition:.2s}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;display:flex;gap:18px;flex-wrap:wrap;color:#91aaa5;font-size:12px}.mobile-tabs{display:none}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.container{width:min(100% - 32px,900px)}.split{gap:35px}.steps{grid-template-columns:repeat(2,1fr);gap:25px}}
    @media(max-width:768px){.nav-wrap{height:68px}.main-nav{display:none}.hero{min-height:610px}.hero-inner{padding:70px 0 110px}.hero h1{font-size:44px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border:0}.metric{border-bottom:1px solid var(--line)}.split,.image-panel,.scene-grid,.compare{grid-template-columns:1fr}.matrix{grid-template-columns:1fr}.image-panel img{height:280px}.footer-grid{grid-template-columns:1fr;gap:25px}.mobile-tabs{display:flex;position:fixed;z-index:60;bottom:0;left:0;right:0;background:rgba(255,253,249,.96);backdrop-filter:blur(15px);border-top:1px solid var(--line);justify-content:space-around;padding:8px 5px}.mobile-tabs a{font-size:11px;color:var(--muted);text-align:center}.mobile-tabs a.active{color:var(--teal);font-weight:800}.mobile-tabs b{display:block;font-size:18px;line-height:1.2}}
    @media(max-width:520px){section{padding:62px 0}.container{width:calc(100% - 28px)}.hero h1{font-size:37px}.hero p{font-size:15px}.hero-actions .btn{width:100%}.series-inner{padding-left:14px;padding-right:14px}.metric strong{font-size:28px}.steps{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-links>div:last-child{grid-column:span 2}.footer-bottom{padding-bottom:55px}}