/* roulang page: index */
:root{
      --brand:#176c9b;--brand-deep:#125574;--brand-soft:#eaf5f9;--ink:#173042;
      --text:#5d6b76;--muted:#84929d;--line:#dce7ed;--paper:#fff;
      --bg:#f6f9fb;--mint:#e7f5f1;--radius:20px;--radius-sm:14px;
      --shadow:0 8px 26px rgba(26,61,80,.08),0 2px 7px rgba(26,61,80,.04);
      --shadow-hover:0 18px 38px rgba(26,61,80,.14),0 5px 13px rgba(26,61,80,.08);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}
    ::selection{background:#c9e8f2;color:var(--ink)}:focus-visible{outline:3px solid rgba(23,108,155,.34);outline-offset:3px}
    .page-grid{background-image:radial-gradient(circle at 15% 0%,rgba(76,166,203,.10),transparent 25rem),linear-gradient(rgba(23,108,155,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(23,108,155,.024) 1px,transparent 1px);background-size:auto,30px 30px,30px 30px}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}.section{padding:88px 0}.eyebrow{color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}.section-title{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 12px;font-weight:800}.section-intro{max-width:710px;color:var(--text);font-size:16px;margin:0}
    .notice{background:#eaf5f9;border-bottom:1px solid #d7ebf1;color:#416677;font-size:13px}.notice .container{display:flex;align-items:center;gap:9px;min-height:34px}.pulse{width:7px;height:7px;border-radius:50%;background:#44a58b;box-shadow:0 0 0 4px rgba(68,165,139,.13)}
    .header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,237,.8)}.nav-main{min-height:78px;display:grid;grid-template-columns:250px minmax(350px,1fr) auto;align-items:center;gap:22px}.logo{font-weight:900;font-size:17px;letter-spacing:-.04em;line-height:1.35;display:flex;align-items:center;gap:9px}.logo-mark{width:30px;height:30px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;box-shadow:0 5px 12px rgba(23,108,155,.24)}.search{height:48px;border:1px solid var(--line);background:#fff;border-radius:15px;display:flex;align-items:center;padding:0 5px 0 15px;box-shadow:0 2px 8px rgba(25,61,80,.03)}.search svg{flex:none;color:#728995}.search input{border:0;outline:0;width:100%;min-width:0;padding:0 12px;color:var(--ink);background:transparent}.search input::placeholder{color:#92a0a9}.search-btn,.primary-btn{border:0;background:var(--brand);color:#fff;font-weight:800;border-radius:11px;transition:.22s ease-out}.search-btn{height:38px;padding:0 15px}.search-btn:hover,.primary-btn:hover{background:var(--brand-deep);transform:translateY(-1px)}.nav-links{display:flex;gap:8px;align-items:center}.nav-link{min-height:42px;padding:9px 11px;color:var(--text);font-size:14px;font-weight:700;border-bottom:2px solid transparent}.nav-link:hover,.nav-link.active{color:var(--brand);border-bottom-color:var(--brand)}.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;width:44px;height:44px;color:var(--brand)}
    .hotbar{border-top:1px solid #edf2f4}.hotbar-inner{display:flex;gap:9px;align-items:center;overflow:auto;padding:10px 0;scrollbar-width:none}.hot-label{font-size:12px;color:var(--muted);white-space:nowrap}.tag{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid #d9e9ef;background:#fff;border-radius:999px;padding:4px 10px;color:#56707d;font-size:12px;font-weight:700;transition:.2s}.tag:hover{color:var(--brand);border-color:#9bc7d9;background:#f5fbfd}
    .hero{padding:38px 0 40px}.hero-shell{position:relative;overflow:hidden;border:1px solid #dcebf1;border-radius:24px;background:linear-gradient(115deg,#f1f9fc 0%,#fff 54%,#edf7fa 100%);padding:48px 52px;min-height:415px;box-shadow:var(--shadow)}.hero-shell:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(23,108,155,.12);border-radius:50%;right:-95px;top:-130px;box-shadow:0 0 0 28px rgba(23,108,155,.035),0 0 0 56px rgba(23,108,155,.025)}.hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:38px;align-items:center}.hero h1{font-size:clamp(35px,4.2vw,54px);letter-spacing:-.065em;line-height:1.16;margin:12px 0 18px;font-weight:900}.hero p{color:var(--text);font-size:16px;max-width:590px;margin:0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:47px;padding:0 18px}.secondary-btn{border:1px solid #bcd9e5;background:#fff;color:var(--brand);border-radius:11px;font-weight:800;transition:.2s}.secondary-btn:hover{background:var(--brand-soft);transform:translateY(-1px)}.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;font-size:13px;color:#68808c}.hero-meta strong{color:var(--ink)}
    .editor-panel{background:#fff;border:1px solid #dbe9ee;border-radius:19px;padding:14px;box-shadow:0 17px 38px rgba(37,87,107,.12);transform:rotate(1.3deg)}.panel-top{display:flex;align-items:center;gap:8px;padding:4px 5px 13px;border-bottom:1px solid #edf2f4;font-size:12px;color:#6c818c}.dots{display:flex;gap:4px}.dots i{display:block;width:6px;height:6px;border-radius:50%;background:#b9ced7}.mini-search{margin-left:auto;background:#f1f7f9;border-radius:7px;padding:3px 8px;color:var(--brand);font-weight:700}.result-row{display:grid;grid-template-columns:45px 1fr auto;gap:11px;align-items:center;padding:13px 4px;border-bottom:1px solid #edf2f4}.thumb-art{width:45px;height:38px;border-radius:9px;background:linear-gradient(135deg,#8fc4d6,#e3f1f4);position:relative;overflow:hidden}.thumb-art:after{content:"";position:absolute;right:5px;bottom:0;width:20px;height:28px;border-radius:12px 12px 3px 3px;background:rgba(255,255,255,.54)}.row-title{font-size:13px;font-weight:800;line-height:1.35}.row-sub{font-size:11px;color:#8797a0;margin-top:2px}.row-num{font-size:12px;color:var(--brand);font-weight:800}.panel-bottom{display:flex;gap:8px;padding:13px 4px 3px}.filter-pill{font-size:11px;border-radius:7px;padding:4px 7px;background:#edf6f8;color:#527483;font-weight:700}.filter-pill.active{background:var(--brand);color:#fff}
    .problem-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.problem{border-left:2px solid #a9d5e5;padding:4px 0 4px 13px}.problem b{font-size:14px;display:block}.problem span{font-size:12px;color:#71808a}
    .solution-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;margin-top:32px}.feature-card{min-height:390px;position:relative;overflow:hidden;border-radius:22px;background:#204f64;padding:30px;color:#fff;box-shadow:var(--shadow);display:flex;align-items:flex-end}.feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,40,54,.88),rgba(22,107,143,.12)),url("https://hlb668.com/assets/editorial-cover.jpg") center/cover}.feature-card:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(121,205,220,.33),transparent 28%)}.feature-content{position:relative;z-index:1}.badge{display:inline-flex;border-radius:999px;padding:5px 10px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);font-size:12px;font-weight:800}.feature-card h3{font-size:28px;line-height:1.3;margin:13px 0 8px}.feature-card p{margin:0;color:#e4f2f6;font-size:14px}.feature-link{display:inline-flex;align-items:center;gap:7px;margin-top:17px;font-size:14px;font-weight:800}.feature-link:hover{gap:11px}.compact-list{background:#fff;border:1px solid var(--line);border-radius:22px;padding:7px 20px;box-shadow:var(--shadow)}.compact-item{display:grid;grid-template-columns:28px 58px 1fr 18px;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid #eaf0f2;transition:.22s}.compact-item:last-child{border-bottom:0}.compact-item:hover{transform:translateX(3px)}.compact-item:hover h3{color:var(--brand)}.item-no{color:#8db9cb;font-size:14px;font-weight:900}.mini-cover{height:48px;border-radius:10px;background:linear-gradient(145deg,#d0e8ef,#83b9cc);position:relative;overflow:hidden}.mini-cover:after{content:"";position:absolute;left:18px;bottom:-6px;width:23px;height:37px;border-radius:16px 16px 0 0;background:rgba(255,255,255,.55)}.compact-item h3{font-size:15px;line-height:1.35;margin:0;transition:.2s}.compact-item p{font-size:12px;color:#81909a;margin:3px 0 0}.arrow{color:var(--brand);font-size:20px}.filter-bar{display:flex;gap:9px;overflow:auto;margin-top:22px;padding-bottom:3px}.filter-button{border:1px solid var(--line);background:#fff;color:#607680;border-radius:10px;padding:9px 14px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}.filter-button:hover,.filter-button.selected{background:var(--brand-soft);color:var(--brand);border-color:#afd4e1}.filter-button:active{transform:scale(.98)}
    .results{background:#edf5f7;border-top:1px solid #dfebef;border-bottom:1px solid #dfebef}.result-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:44px;align-items:start}.metric-stack{display:grid;gap:13px;margin-top:27px}.metric{padding:20px;background:#fff;border:1px solid #dbe8ed;border-radius:16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:17px}.metric-num{font-size:29px;color:var(--brand);font-weight:900;letter-spacing:-.06em;min-width:82px}.metric-copy b{display:block;font-size:15px}.metric-copy span{display:block;font-size:12px;color:#768690;margin-top:2px}.path{margin-top:5px;border-left:2px solid #b7dbe6;padding-left:25px}.path-item{position:relative;padding:0 0 25px}.path-item:before{content:"";position:absolute;width:12px;height:12px;border:3px solid #fff;background:var(--brand);border-radius:50%;left:-32px;top:5px;box-shadow:0 0 0 2px #afd4e0}.path-item:last-child{padding-bottom:0}.path-item small{color:var(--brand);font-weight:900;letter-spacing:.08em}.path-item h3{margin:3px 0 3px;font-size:18px}.path-item p{margin:0;color:var(--text);font-size:14px}
    .quote-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;margin-top:32px}.quote-main,.quote-small{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.quote-main{padding:33px;position:relative;overflow:hidden}.quote-main:before{content:"“";position:absolute;right:24px;top:-20px;font-family:serif;font-size:130px;color:#e6f3f7}.quote-text{position:relative;font-size:21px;font-weight:800;line-height:1.75;max-width:640px;margin:0}.quote-user{position:relative;display:flex;gap:10px;align-items:center;margin-top:24px}.avatar{width:38px;height:38px;border-radius:50%;background:#d7eef4;color:var(--brand);display:grid;place-items:center;font-weight:900}.quote-user b{font-size:14px;display:block}.quote-user span{font-size:12px;color:#83919a;display:block}.quote-side{display:grid;gap:20px}.quote-small{padding:22px}.quote-small p{font-size:14px;font-weight:700;line-height:1.75;margin:0 0 16px}.quote-small .tag{font-size:11px}
    .insight-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:20px;margin-top:31px}.insight-note{background:#173f52;color:#fff;border-radius:20px;padding:29px;box-shadow:var(--shadow)}.insight-note .eyebrow{color:#9ed1e1}.insight-note h3{font-size:24px;line-height:1.35;margin:10px 0}.insight-note p{color:#d2e4ea;margin:0;font-size:14px}.collection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.collection{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;transition:.22s}.collection:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#afd4e1}.collection b{display:block;font-size:16px}.collection span{display:block;font-size:12px;color:#778892;margin:5px 0 12px}.collection a{font-size:13px;font-weight:800;color:var(--brand)}
    .news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;margin-top:30px}.news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 23px}.news-item{display:grid;grid-template-columns:auto 1fr auto;gap:14px;padding:18px 0;border-bottom:1px solid #e7eef1;align-items:start}.news-item:last-child{border-bottom:0}.news-date{font-size:12px;color:#7591a0;padding-top:2px}.news-item h3{font-size:16px;margin:0;line-height:1.45}.news-item h3:hover{color:var(--brand)}.news-item p{margin:4px 0 0;color:#7a8992;font-size:13px;line-height:1.65}.news-more{font-size:13px;color:var(--brand);font-weight:800;white-space:nowrap}.recommend{background:#e9f5f8;border-radius:20px;padding:27px;border:1px solid #d3e8ee}.recommend h3{font-size:22px;margin:7px 0}.recommend p{font-size:14px;color:#56717c;margin:0 0 18px}.recommend-list{padding:0;margin:0;list-style:none}.recommend-list li{border-top:1px solid #cae1e9;padding:12px 0;font-size:14px;font-weight:700;display:flex;justify-content:space-between;gap:12px}.recommend-list li span{color:var(--brand)}
    .faq-wrap{max-width:850px;margin:30px auto 0}.faq{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden;box-shadow:0 3px 10px rgba(26,61,80,.03)}.faq summary{padding:17px 20px;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:800;cursor:pointer}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:24px;font-weight:400;color:var(--brand);line-height:1}.faq[open] summary{color:var(--brand);border-bottom:1px solid #e5eef1}.faq[open] summary:after{content:"−"}.faq p{padding:15px 20px 19px;margin:0;color:var(--text);font-size:14px}
    .cta{padding:16px 0 88px}.cta-card{position:relative;overflow:hidden;background:#e8f5f8;border:1px solid #cde6ee;border-radius:22px;padding:34px 40px;display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center}.cta-card:after{content:"";position:absolute;right:-40px;bottom:-75px;width:240px;height:240px;border:1px solid rgba(23,108,155,.15);border-radius:50%;box-shadow:0 0 0 25px rgba(23,108,155,.035)}.cta-card h2{font-size:29px;line-height:1.3;margin:8px 0}.cta-card p{margin:0;color:#55727e;font-size:14px}.cta-form{position:relative;z-index:1}.cta-form .search{height:55px;box-shadow:none}.cta-form .search-btn{height:43px}.trust-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.trust{font-size:12px;color:#597482;display:flex;align-items:center;gap:6px}.trust i{width:7px;height:7px;border-radius:50%;background:#57a68d}
    footer{background:#fff;border-top:1px solid var(--line);padding:46px 0 25px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:30px}.footer-brand{font-size:18px;font-weight:900}.footer-text{font-size:13px;color:#72828c;max-width:410px;margin:10px 0 0}.footer-col h3{font-size:13px;color:var(--ink);margin:0 0 10px}.footer-col a{display:block;font-size:13px;color:#71808a;padding:4px 0}.footer-col a:hover{color:var(--brand)}.footer-bottom{margin-top:35px;padding-top:17px;border-top:1px solid #e8eff1;display:flex;justify-content:space-between;gap:16px;color:#87949c;font-size:12px}.adult-note{color:#627b87}
    @media(max-width:1024px){.nav-main{grid-template-columns:220px 1fr auto;gap:12px}.solution-grid,.result-layout{gap:18px}.hero-shell{padding:38px}.hero-layout{gap:24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand-block{grid-column:1/-1}}
    @media(max-width:768px){.container{width:min(100% - 28px,1200px)}.section{padding:57px 0}.nav-main{grid-template-columns:1fr auto;min-height:65px}.nav-main>.search{grid-column:1/-1;grid-row:2;margin-bottom:12px}.nav-links{display:none}.mobile-toggle{display:grid;place-items:center}.hero{padding:23px 0}.hero-shell{padding:30px 22px;min-height:auto}.hero-layout,.solution-grid,.result-layout,.quote-layout,.insight-grid,.news-grid,.cta-card{grid-template-columns:1fr}.hero h1{font-size:36px}.editor-panel{transform:none;margin-top:5px}.problem-strip{grid-template-columns:1fr}.feature-card{min-height:310px}.quote-side{grid-template-columns:1fr 1fr}.cta-card{padding:28px 22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand-block{grid-column:1/-1}}
    @media(max-width:520px){.section{padding:47px 0}.logo{font-size:15px}.hotbar-inner{margin:0 -14px;padding-left:14px;padding-right:14px}.hero-actions>*{width:100%}.hero-meta{gap:8px}.compact-list{padding:4px 14px}.compact-item{grid-template-columns:24px 48px 1fr 15px;gap:9px}.quote-side,.collection-grid{grid-template-columns:1fr}.quote-main{padding:24px}.quote-text{font-size:18px}.news-list{padding:7px 16px}.news-item{grid-template-columns:1fr}.news-more{display:none}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block;line-height:2}.cta{padding-bottom:55px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* roulang page: category1 */
:root{
 --brand:#176c9b;--brand-deep:#125574;--brand-soft:#eaf5f9;--ink:#173042;
 --text:#5d6b76;--muted:#84929d;--line:#dce7ed;--paper:#fff;
 --bg:#f6f9fb;--mint:#e7f5f1;--radius:20px;--radius-sm:14px;
 --shadow:0 8px 26px rgba(26,61,80,.08),0 2px 7px rgba(26,61,80,.04);
 --shadow-hover:0 18px 38px rgba(26,61,80,.14),0 5px 13px rgba(26,61,80,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.8}
body:has(.filter-drawer.open){overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button,input,summary{outline:none}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(23,108,155,.28);outline-offset:3px}
.page-grid{min-height:100vh;background-image:radial-gradient(circle at 15% 0%,rgba(76,166,203,.10),transparent 25rem),linear-gradient(rgba(23,108,155,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(23,108,155,.024) 1px,transparent 1px);background-size:auto,30px 30px,30px 30px}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.section{padding:78px 0}
.eyebrow{color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em}
.section-title{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 12px;font-weight:800}
.section-intro{max-width:720px;color:var(--text);font-size:16px;margin:0}
.notice{background:#edf7fa;color:#52717e;border-bottom:1px solid #d9eaf0;font-size:12px}
.notice .container{display:flex;align-items:center;gap:9px;min-height:34px}
.notice-dot{width:7px;height:7px;border-radius:50%;background:#53a289;box-shadow:0 0 0 4px rgba(83,162,137,.12)}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,237,.8)}
.nav-main{min-height:78px;display:grid;grid-template-columns:250px minmax(350px,1fr) auto;align-items:center;gap:22px}
.logo{font-weight:900;font-size:17px;letter-spacing:-.04em;line-height:1.35;display:flex;align-items:center;gap:9px}
.logo-mark{width:30px;height:30px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;box-shadow:0 5px 12px rgba(23,108,155,.24)}
.search{height:48px;border:1px solid var(--line);background:#fff;border-radius:15px;display:flex;align-items:center;padding:0 5px 0 15px;box-shadow:0 2px 8px rgba(25,61,80,.03)}
.search svg{flex:none;color:#728995}
.search input{border:0;outline:0;width:100%;min-width:0;padding:0 12px;color:var(--ink);background:transparent}
.search input::placeholder{color:#92a0a9}
.search-btn,.primary-btn{border:0;background:var(--brand);color:#fff;font-weight:800;border-radius:11px;transition:.22s ease-out}
.search-btn{height:38px;padding:0 15px}
.search-btn:hover,.primary-btn:hover{background:var(--brand-deep);transform:translateY(-1px)}
.search-btn:active,.primary-btn:active{transform:translateY(0)}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-link{min-height:42px;padding:9px 11px;color:var(--text);font-size:14px;font-weight:700;border-bottom:2px solid transparent}
.nav-link:hover,.nav-link.active{color:var(--brand);border-bottom-color:var(--brand)}
.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;width:44px;height:44px;color:var(--brand)}
.tag-strip{background:#fff;border-bottom:1px solid var(--line)}
.tag-strip-inner{min-height:46px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.tag-strip-inner::-webkit-scrollbar{display:none}
.strip-label{flex:none;color:#77909c;font-size:12px;font-weight:800;margin-right:2px}
.tag{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid #d9e9ef;background:#fff;border-radius:999px;padding:4px 10px;color:#56707d;font-size:12px;font-weight:700;transition:.2s}
.tag:hover,.tag.selected{color:var(--brand);border-color:#9bc7d9;background:#f5fbfd}
.breadcrumb{display:flex;align-items:center;gap:9px;color:#718792;font-size:13px;padding:25px 0 17px}
.breadcrumb svg{color:#9eb0b8}
.channel-hero{position:relative;overflow:hidden;background:linear-gradient(110deg,#edf8fb 0%,#fff 55%,#eaf5f8 100%);border:1px solid #d9e9ef;border-radius:24px;box-shadow:var(--shadow);padding:37px 43px}
.channel-hero:before{content:"";position:absolute;right:-70px;top:-100px;width:360px;height:360px;border:1px solid rgba(23,108,155,.13);border-radius:50%;box-shadow:0 0 0 25px rgba(23,108,155,.035),0 0 0 50px rgba(23,108,155,.02)}
.channel-hero:after{content:"";position:absolute;right:70px;bottom:-58px;width:260px;height:130px;background:repeating-linear-gradient(90deg,rgba(23,108,155,.10) 0 1px,transparent 1px 16px);transform:rotate(-10deg)}
.channel-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 290px;gap:34px;align-items:end}
.channel-hero h1{font-size:clamp(34px,4vw,49px);line-height:1.17;letter-spacing:-.06em;margin:9px 0 15px;font-weight:900}
.channel-copy{max-width:760px;margin:0;color:var(--text);font-size:16px}
.channel-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;color:#66808b;font-size:13px}
.channel-meta strong{color:var(--ink)}
.channel-tags{display:flex;justify-content:flex-end;align-content:flex-end;flex-wrap:wrap;gap:8px;padding-bottom:5px}
.channel-tags .tag{background:rgba(255,255,255,.76)}
.content-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:28px;align-items:start;padding-top:34px}
.filter-card{position:sticky;top:145px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:21px;box-shadow:var(--shadow)}
.filter-heading{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid #e8eff2;font-size:16px;font-weight:900}
.clear-filter{border:0;background:transparent;padding:4px 0;color:var(--brand);font-size:12px;font-weight:800}
.filter-group{padding:17px 0;border-bottom:1px solid #e8eff2}
.filter-group:last-child{border-bottom:0;padding-bottom:2px}
.filter-title{font-size:13px;font-weight:900;margin-bottom:10px;color:#355263}
.filter-options{display:flex;flex-wrap:wrap;gap:7px}
.filter-option{border:1px solid #dce8ed;background:#fff;border-radius:9px;padding:7px 9px;color:#65808b;font-size:12px;font-weight:700;transition:.2s}
.filter-option:hover,.filter-option.active{color:var(--brand);background:var(--brand-soft);border-color:#b8d8e5}
.sort-list{display:grid;gap:7px}
.sort-item{display:flex;align-items:center;justify-content:space-between;color:#647a85;font-size:13px;padding:2px 0}
.radio{width:15px;height:15px;border:1px solid #b8cad2;border-radius:50%;display:grid;place-items:center}
.sort-item.active{font-weight:800;color:var(--brand)}
.sort-item.active .radio{border-color:var(--brand)}
.sort-item.active .radio:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.result-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px;padding:0 2px}
.result-status{font-size:14px;color:var(--text)}
.result-status strong{color:var(--ink)}
.toolbar-actions{display:flex;align-items:center;gap:9px}
.select-view{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:7px 10px;color:#58717d;font-size:12px;font-weight:800}
.view-btn{width:33px;height:33px;border:1px solid var(--line);background:#fff;border-radius:9px;color:#72909d;display:grid;place-items:center}
.view-btn.active{border-color:#aed3e1;color:var(--brand);background:var(--brand-soft)}
.feature-list-card{position:relative;display:grid;grid-template-columns:42% 1fr;overflow:hidden;border:1px solid #d5e6ed;border-radius:20px;background:#fff;box-shadow:var(--shadow);margin-bottom:16px;transition:.24s ease-out}
.feature-list-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a8cfdf}
.feature-image{min-height:260px;position:relative;overflow:hidden;background:#407f99}
.feature-image:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(23,48,66,.18),rgba(10,54,76,.55)),url("https://hlb668.com/assets/mature-topic-cover.jpg") center/cover;transition:transform .35s ease-out}
.feature-list-card:hover .feature-image:before{transform:scale(1.035)}
.feature-image span{position:absolute;z-index:1;left:18px;top:18px;color:#fff;border:1px solid rgba(255,255,255,.36);background:rgba(18,66,87,.5);padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800}
.feature-info{padding:27px 28px;display:flex;flex-direction:column;justify-content:center}
.item-kicker{font-size:12px;color:var(--brand);font-weight:900;letter-spacing:.08em}
.feature-info h2{font-size:25px;line-height:1.35;letter-spacing:-.035em;margin:8px 0 9px}
.feature-info p{color:var(--text);font-size:14px;margin:0}
.item-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:16px;font-size:12px;color:#82929a}
.item-meta .tag{padding:3px 8px;font-size:11px}
.read-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-size:14px;font-weight:900;margin-top:18px;transition:.2s}
.read-link svg{transition:.2s}
.feature-list-card:hover .read-link svg,.media-item:hover .read-link svg{transform:translateX(4px)}
.media-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:0 23px;box-shadow:var(--shadow)}
.media-item{display:grid;grid-template-columns:36px 150px minmax(0,1fr) 30px;gap:17px;align-items:center;padding:20px 0;border-bottom:1px solid #e6eef1;transition:.22s ease-out}
.media-item:last-child{border-bottom:0}
.media-item:hover{margin:0 -10px;padding-left:10px;padding-right:10px;background:#f9fcfd}
.item-number{font-size:13px;color:#91a4ad;font-weight:900}
.thumb{height:98px;overflow:hidden;border-radius:12px;background:#d8e8ee;position:relative}
.thumb:before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;transition:.3s ease-out}
.thumb.one:before{background-image:linear-gradient(135deg,rgba(20,67,91,.12),rgba(20,67,91,.45)),url("https://hlb668.com/assets/topic-expression.jpg")}
.thumb.two:before{background-image:linear-gradient(135deg,rgba(31,102,126,.10),rgba(31,102,126,.42)),url("https://hlb668.com/assets/topic-mood.jpg")}
.thumb.three:before{background-image:linear-gradient(135deg,rgba(13,62,85,.12),rgba(13,62,85,.48)),url("https://hlb668.com/assets/topic-selection.jpg")}
.thumb.four:before{background-image:linear-gradient(135deg,rgba(30,75,96,.12),rgba(30,75,96,.46)),url("https://hlb668.com/assets/topic-weekly.jpg")}
.thumb.five:before{background-image:linear-gradient(135deg,rgba(17,79,99,.13),rgba(17,79,99,.44)),url("https://hlb668.com/assets/topic-calm.jpg")}
.media-item:hover .thumb:before{transform:scale(1.04)}
.media-content h3{font-size:18px;line-height:1.4;margin:3px 0 5px;font-weight:900;transition:.2s}
.media-item:hover h3{color:var(--brand)}
.media-content p{margin:0;color:#6a7c85;font-size:13px;line-height:1.7}
.media-arrow{color:var(--brand);display:grid;place-items:center}
.recommend-band{margin:18px 0;background:#eaf5f9;border:1px solid #d2e8ef;border-radius:17px;padding:18px 21px;display:flex;align-items:center;gap:17px}
.recommend-icon{width:42px;height:42px;flex:none;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center}
.recommend-band h3{margin:0;font-size:16px;font-weight:900}
.recommend-band p{margin:2px 0 0;font-size:13px;color:#63808c}
.recommend-tags{margin-left:auto;display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.topic-rail{padding:34px 0 5px}
.topic-rail-head{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:17px}
.topic-rail-head h2{margin:5px 0 0;font-size:26px;line-height:1.3;letter-spacing:-.04em}
.rail{display:flex;gap:14px;overflow-x:auto;padding:2px 2px 12px;scroll-snap-type:x proximity}
.rail::-webkit-scrollbar{height:6px}.rail::-webkit-scrollbar-thumb{background:#cedfe5;border-radius:999px}
.topic-card{min-width:210px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;box-shadow:0 4px 14px rgba(26,61,80,.045);transition:.22s}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b5d6e2}
.topic-photo{height:89px;border-radius:10px;background:linear-gradient(135deg,#bfdbe5,#5b91a9);margin-bottom:12px;position:relative;overflow:hidden}
.topic-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(125deg,transparent,rgba(255,255,255,.26),transparent)}
.topic-card small{color:var(--brand);font-weight:900;font-size:11px}
.topic-card h3{font-size:15px;line-height:1.45;margin:3px 0 0}
.bottom-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:27px;align-items:start}
.faq-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 22px;box-shadow:var(--shadow)}
.faq-box details{border-bottom:1px solid #e6eef1}
.faq-box details:last-child{border-bottom:0}
.faq-box summary{cursor:pointer;list-style:none;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:850;color:#294757}
.faq-box summary::-webkit-details-marker{display:none}
.faq-box summary svg{flex:none;color:var(--brand);transition:.2s}
.faq-box details[open] summary svg{transform:rotate(45deg)}
.faq-answer{margin:0 0 17px;color:var(--text);font-size:14px}
.search-cta{position:relative;overflow:hidden;background:#e7f4f8;border:1px solid #cce3eb;border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.search-cta:after{content:"";position:absolute;right:-25px;bottom:-64px;width:180px;height:180px;border:1px solid rgba(23,108,155,.18);border-radius:50%;box-shadow:0 0 0 20px rgba(23,108,155,.04)}
.search-cta>*{position:relative;z-index:1}
.search-cta h2{font-size:27px;letter-spacing:-.04em;line-height:1.3;margin:9px 0 9px}
.search-cta p{margin:0;color:var(--text);font-size:14px}
.cta-search{margin-top:19px;height:50px;background:#fff;border:1px solid #c4dce5;border-radius:13px;display:flex;align-items:center;padding:4px 4px 4px 13px}
.cta-search input{border:0;background:transparent;outline:0;min-width:0;flex:1;color:var(--ink);padding:0 9px}
.cta-search button{height:40px;border:0;border-radius:9px;background:var(--brand);color:#fff;padding:0 14px;font-size:13px;font-weight:900;transition:.2s}
.cta-search button:hover{background:var(--brand-deep)}
.cta-notes{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
footer{margin-top:78px;background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:48px;padding:53px 0 38px}
.footer-brand{font-size:19px;font-weight:900;letter-spacing:-.04em}
.footer-text{max-width:430px;color:#62727b;font-size:13px;margin:10px 0 0}
.footer-col h3{font-size:14px;margin:0 0 12px;color:#385261}
.footer-col a{display:block;width:max-content;color:#687c86;font-size:13px;margin:7px 0;transition:.2s}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{border-top:1px solid #e5edef;min-height:61px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#819099;font-size:12px}
.adult-note{color:#657781;font-weight:700}
.filter-open{display:none}
.filter-drawer{display:none}
@media(max-width:1024px){
 .nav-main{grid-template-columns:220px minmax(260px,1fr) auto;gap:12px}
 .nav-link{padding:9px 7px;font-size:13px}
 .content-layout{grid-template-columns:235px minmax(0,1fr);gap:18px}
 .filter-card{padding:17px}
 .media-item{grid-template-columns:30px 126px minmax(0,1fr) 24px;gap:12px}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,1200px)}
 .notice{display:none}
 .nav-main{min-height:67px;grid-template-columns:1fr auto;gap:10px}
 .nav-main>.search,.nav-main>.nav-links{display:none}
 .mobile-toggle{display:grid;place-items:center}
 .mobile-search{display:flex;padding-bottom:12px}
 .mobile-search .search{width:100%}
 .tag-strip-inner{min-height:42px}
 .channel-hero{padding:29px 23px}
 .channel-inner{grid-template-columns:1fr;gap:19px}
 .channel-tags{justify-content:flex-start}
 .content-layout{display:block;padding-top:23px}
 .filter-card{display:none}
 .filter-open{display:inline-flex;align-items:center;gap:7px;border:1px solid #b9d5e1;background:#fff;color:var(--brand);padding:8px 11px;border-radius:10px;font-size:12px;font-weight:900}
 .result-toolbar{margin-bottom:13px}
 .toolbar-actions{overflow:hidden}
 .select-view{display:none}
 .feature-list-card{grid-template-columns:1fr}
 .feature-image{min-height:185px}
 .feature-info{padding:22px}
 .media-list{padding:0 16px}
 .media-item{grid-template-columns:91px minmax(0,1fr) 18px;gap:12px;padding:16px 0}
 .item-number{display:none}
 .thumb{height:83px}
 .media-content p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .recommend-band{align-items:flex-start;flex-wrap:wrap}
 .recommend-tags{margin-left:59px;justify-content:flex-start}
 .bottom-grid{grid-template-columns:1fr;gap:24px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:41px 0 28px}
 .footer-brand-block{grid-column:1/-1}
 .filter-drawer{display:block;visibility:hidden;opacity:0;position:fixed;z-index:80;inset:0;transition:.2s}
 .filter-drawer.open{visibility:visible;opacity:1}
 .drawer-backdrop{position:absolute;inset:0;background:rgba(23,48,66,.34)}
 .drawer-panel{position:absolute;right:0;top:0;width:min(360px,92vw);height:100%;overflow:auto;background:#f8fbfc;padding:18px;transform:translateX(100%);transition:.25s ease-out}
 .filter-drawer.open .drawer-panel{transform:translateX(0)}
 .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;font-weight:900}
 .drawer-close{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--brand);font-size:22px}
 .drawer-panel .filter-card{display:block;position:static}
}
@media(max-width:520px){
 .logo{font-size:15px}.logo-mark{width:28px;height:28px}
 .channel-hero h1{font-size:33px}
 .channel-copy{font-size:14px}
 .channel-meta{gap:8px;font-size:12px}
 .result-status{font-size:12px}
 .view-btn{width:35px;height:35px}
 .feature-info h2{font-size:22px}
 .media-list{border-radius:16px;padding:0 13px}
 .media-item{grid-template-columns:82px minmax(0,1fr);gap:10px}
 .media-arrow{display:none}
 .media-content h3{font-size:15px}
 .media-content p{font-size:12px}
 .recommend-band{padding:16px}
 .recommend-tags{margin-left:0}
 .topic-card{min-width:180px}
 .section{padding:54px 0}
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .footer-brand-block{grid-column:auto}
 .footer-bottom{padding:16px 0;align-items:flex-start;flex-direction:column;gap:5px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}