/* hl153612 · 153612.cn · layout v5 */
:root{
  --hl153612-bg:#0a0e1f;--hl153612-bg2:#111935;--hl153612-fg:#e0e7ff;--hl153612-mute:#94a3b8;
  --hl153612-p:#6366f1;--hl153612-p2:#8b5cf6;--hl153612-acc:#22d3ee;
  --hl153612-radius:10px;
  --hl153612-grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);
  --hl153612-glass:rgba(255,255,255,.08);--hl153612-border:rgba(255,255,255,.14);
  --hl153612-shadow:0 22px 55px -22px #6366f155;
}
*,*::before,*::after{box-sizing:border-box}html,body{margin:0;padding:0}
body.hl153612-body{font:16px/1.7 "PingFang SC","Microsoft YaHei","HarmonyOS Sans SC",sans-serif;color:var(--hl153612-fg);min-height:100vh;-webkit-font-smoothing:antialiased;
  background:radial-gradient(1200px 600px at 80% -10%,#8b5cf655,transparent 60%),
             radial-gradient(900px 500px at -10% 20%,#6366f133,transparent 60%),
             linear-gradient(180deg,var(--hl153612-bg),var(--hl153612-bg2));
  background-attachment:fixed;}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--hl153612-p2)}ul{margin:0;padding:0;list-style:none}
.hl153612-container{max-width:1280px;margin:0 auto;padding:0 24px}
.hl153612-skip{position:absolute;left:-9999px;top:0}.hl153612-skip:focus{left:8px;top:8px;background:#000;color:#fff;padding:8px 14px;z-index:99}
/* HEADER */
.hl153612-header{position:sticky;top:0;z-index:50}
.hl153612-nav-blur{background:rgba(0,0,0,.45);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--hl153612-border)}
.hl153612-nav-row{display:flex;align-items:center;gap:18px;padding:12px 24px}
.hl153612-logo{display:flex;align-items:center;gap:10px;font-weight:700}
.hl153612-brand{font-size:18px;background:var(--hl153612-grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0}
.hl153612-nav{flex:1;overflow:auto}.hl153612-nav ul{display:flex;gap:4px;flex-wrap:wrap}.hl153612-nav a{padding:8px 14px;border-radius:999px;font-size:14px;color:var(--hl153612-mute);white-space:nowrap}.hl153612-nav a:hover,.hl153612-nav .hl153612-active{background:var(--hl153612-glass);color:var(--hl153612-fg)}
.hl153612-search{display:flex;background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:999px;padding:4px 6px 4px 14px;align-items:center;gap:6px}
.hl153612-search input{background:transparent;border:0;outline:0;color:var(--hl153612-fg);font-size:14px;width:200px}.hl153612-search button{background:var(--hl153612-grad);border:0;color:#fff;border-radius:999px;width:30px;height:30px;display:grid;place-items:center;cursor:pointer}
.hl153612-burger{display:none;background:0;border:0;width:40px;height:40px;flex-direction:column;gap:5px;justify-content:center;align-items:center;cursor:pointer}.hl153612-burger span{display:block;width:22px;height:2px;background:var(--hl153612-fg)}
/* MAIN */
.hl153612-main{padding:24px 0 60px;display:flex;flex-direction:column;gap:48px}
/* EEAT */
.hl153612-eeat{position:relative;background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);padding:24px 26px}
.hl153612-eeat-h{margin:0 0 14px;font-size:20px;background:var(--hl153612-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hl153612-eeat-toggle{position:absolute;opacity:0;pointer-events:none}
.hl153612-eeat-body{position:relative;max-height:160px;overflow:hidden;color:var(--hl153612-mute);font-size:14.5px;line-height:1.85}
.hl153612-eeat-body::after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(180deg,transparent,var(--hl153612-bg2));pointer-events:none}
.hl153612-eeat-toggle:checked ~ .hl153612-eeat-body{max-height:9999px}
.hl153612-eeat-toggle:checked ~ .hl153612-eeat-body::after{display:none}
.hl153612-eeat-more{display:inline-block;margin-top:14px;padding:8px 16px;border:1px solid var(--hl153612-border);border-radius:999px;cursor:pointer;font-size:13px;color:var(--hl153612-fg)}
.hl153612-eeat-toggle:checked ~ .hl153612-eeat-more span::before{content:"收起 "}
.hl153612-eeat-toggle:not(:checked) ~ .hl153612-eeat-more span::before{content:"展开阅读全文 "}
/* SECTION */
.hl153612-section-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hl153612-section-h2{margin:0;font-size:24px;letter-spacing:.5px}
.hl153612-section-desc{color:var(--hl153612-mute);margin:0 0 18px;font-size:14.5px}
.hl153612-more{font-size:14px;color:var(--hl153612-p2)}
/* GRID base */
.hl153612-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
/* CARD */
.hl153612-card{background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.hl153612-card:hover{transform:translateY(-4px);box-shadow:var(--hl153612-shadow)}
.hl153612-card-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden}
.hl153612-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.hl153612-card:hover .hl153612-card-thumb img{transform:scale(1.05)}
.hl153612-card-mask{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));opacity:0;transition:opacity .2s}
.hl153612-card-thumb:hover .hl153612-card-mask{opacity:1}
.hl153612-card-dur{position:absolute;bottom:8px;right:10px;background:rgba(0,0,0,.7);color:#fff;font-size:12px;padding:2px 8px;border-radius:999px}
.hl153612-card-badge{position:absolute;top:10px;left:10px;background:var(--hl153612-grad);color:#fff;font-size:11px;padding:2px 9px;border-radius:6px;font-weight:600}
.hl153612-card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.hl153612-card-title{margin:0;font-size:15.5px;line-height:1.45;color:var(--hl153612-fg)}
.hl153612-card-desc{margin:0;font-size:13px;color:var(--hl153612-mute);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hl153612-card-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--hl153612-mute)}
.hl153612-card-tags{display:flex;flex-wrap:wrap;gap:6px}.hl153612-card-tags span{background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:999px;padding:2px 9px;font-size:11.5px;color:var(--hl153612-mute)}
/* HERO base */
.hl153612-hero{position:relative;border-radius:var(--hl153612-radius);overflow:hidden;margin:0 24px}
.hl153612-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(2px) brightness(.5)}
.hl153612-hero-glass{position:relative;padding:64px 0;background:linear-gradient(120deg,rgba(0,0,0,.55),rgba(0,0,0,.25))}
.hl153612-hero-eyebrow{margin:0 0 8px;color:var(--hl153612-p2);font-size:13px;letter-spacing:2px;text-transform:uppercase}
.hl153612-hero-title{margin:0 0 12px;font-size:34px;line-height:1.3;font-weight:800;color:#fff}
.hl153612-hero-sub{margin:0 0 22px;color:#e9e9e9;max-width:680px}
.hl153612-hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hl153612-btn{display:inline-flex;align-items:center;gap:6px;padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer}
.hl153612-btn-primary{background:var(--hl153612-grad);color:#fff;box-shadow:var(--hl153612-shadow)}
.hl153612-btn-ghost{border-color:var(--hl153612-border);color:#fff;background:rgba(255,255,255,.05)}
.hl153612-hero-stats{display:flex;gap:30px;margin-top:30px;flex-wrap:wrap;color:#fff}.hl153612-hero-stats li{display:flex;flex-direction:column}.hl153612-hero-stats strong{font-size:22px}.hl153612-hero-stats span{font-size:12px;color:#cfcfcf}
/* BREAD */
.hl153612-bread ol{display:flex;gap:8px;font-size:13px;color:var(--hl153612-mute);flex-wrap:wrap}
.hl153612-bread li::after{content:" / ";margin:0 4px;color:var(--hl153612-mute)}.hl153612-bread li:last-child::after{display:none}
/* CHANNEL HERO */
.hl153612-channel-hero{position:relative;border-radius:var(--hl153612-radius);overflow:hidden;margin:0 24px}
.hl153612-channel-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:blur(3px) brightness(.4)}
.hl153612-channel-hero-glass{position:relative;padding:48px 0;background:rgba(0,0,0,.45)}
.hl153612-channel-title{margin:0;font-size:32px;color:#fff}.hl153612-channel-sub{margin:8px 0 0;color:#e9e9e9}
.hl153612-eyebrow{margin:0 0 6px;font-size:12px;color:var(--hl153612-p2);letter-spacing:2px;text-transform:uppercase}
/* SHARE */
.hl153612-share{display:flex;gap:14px;flex-wrap:wrap}.hl153612-share a{padding:10px 18px;background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:999px;font-size:14px}
/* FAQ */
.hl153612-faq-item{background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);padding:14px 18px;margin-bottom:10px}
.hl153612-faq-item summary{font-weight:600;cursor:pointer;list-style:none;color:var(--hl153612-fg)}
.hl153612-faq-item summary::-webkit-details-marker{display:none}
.hl153612-faq-item p{margin:10px 0 0;color:var(--hl153612-mute);font-size:14px}
/* REVIEWS base */
.hl153612-review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.hl153612-review{background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);padding:18px;margin:0;display:flex;flex-direction:column;gap:8px}
.hl153612-review-stars{color:var(--hl153612-acc)}
.hl153612-review p{margin:0;color:var(--hl153612-fg);font-size:14.5px;line-height:1.6}
.hl153612-review footer{display:flex;align-items:center;gap:8px;color:var(--hl153612-mute);font-size:13px;font-style:normal}
.hl153612-review-ava{font-size:22px}
/* RELATED */
.hl153612-related{margin-top:30px;padding-top:24px;border-top:1px solid var(--hl153612-border)}
.hl153612-related-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.hl153612-related-list a{display:block;padding:10px 14px;background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);font-size:14px}
/* PROSE / PAGE */
.hl153612-page-section{padding:30px 0 60px}
.hl153612-prose h1{font-size:30px;margin-top:0}.hl153612-prose h2{margin-top:30px;font-size:22px}.hl153612-prose p{color:var(--hl153612-mute);line-height:1.85}.hl153612-prose ul li{padding:6px 0;color:var(--hl153612-mute)}
.hl153612-bread-inline{margin:0 0 18px;color:var(--hl153612-mute);font-size:13px}.hl153612-bread-inline a{color:var(--hl153612-p2)}
/* CONTACT */
.hl153612-contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:20px;margin-top:24px}
.hl153612-contact-card{background:var(--hl153612-glass);border:1px solid var(--hl153612-border);border-radius:var(--hl153612-radius);padding:22px}
.hl153612-contact-card h2{margin:0 0 12px;font-size:18px}
.hl153612-contact-card ul{display:flex;flex-direction:column;gap:8px;color:var(--hl153612-mute);font-size:14px}
.hl153612-contact-card pre{background:rgba(0,0,0,.35);padding:14px;border-radius:10px;overflow:auto;color:#9be3ff;font-size:12.5px}
.hl153612-contact-card img{border-radius:var(--hl153612-radius);width:100%}
.hl153612-contact-json{grid-column:span 2}
/* FOOTER */
.hl153612-footer{margin-top:60px;padding:50px 0 30px;background:rgba(0,0,0,.45);border-top:1px solid var(--hl153612-border)}
.hl153612-foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-bottom:30px}
.hl153612-foot-col h3{margin:0 0 12px;font-size:16px;background:var(--hl153612-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hl153612-foot-col p,.hl153612-foot-col li{color:var(--hl153612-mute);font-size:13.5px;line-height:1.85}
.hl153612-foot-bar{padding-top:20px;border-top:1px solid var(--hl153612-border);text-align:center;color:var(--hl153612-mute);font-size:13px}
.hl153612-foot-bar p{margin:6px 0}
.hl153612-404{text-align:center;padding:80px 0}.hl153612-404 h1{font-size:96px;margin:0;background:var(--hl153612-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:880px){.hl153612-nav,.hl153612-search{display:none}.hl153612-burger{display:flex}body.hl153612-nav-open .hl153612-nav{display:block;width:100%;order:99}body.hl153612-nav-open .hl153612-nav ul{flex-direction:column}.hl153612-hero-title{font-size:24px}.hl153612-contact-json{grid-column:span 1}}

/* layout v5: marquee hero + mosaic + timeline */
.hl153612-hero-glass{padding:70px 0}
.hl153612-hero-stats{margin-top:40px;border-top:1px solid var(--hl153612-border);padding-top:24px;gap:50px}
.hl153612-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-flow:dense;gap:14px}
.hl153612-grid > .hl153612-card:nth-child(5n+1){grid-column:span 2;grid-row:span 2}
.hl153612-grid > .hl153612-card:nth-child(5n+1) .hl153612-card-thumb{aspect-ratio:1/1}
@media(max-width:980px){.hl153612-grid{grid-template-columns:repeat(2,1fr)}.hl153612-grid > .hl153612-card:nth-child(5n+1){grid-column:span 2;grid-row:span 1}}
.hl153612-review-grid{display:block;position:relative;padding-left:26px;border-left:2px dashed var(--hl153612-border)}
.hl153612-review{margin-bottom:14px;position:relative}
.hl153612-review::before{content:"●";position:absolute;left:-34px;top:18px;color:var(--hl153612-p2);font-size:18px}
.hl153612-faq{display:grid}
.hl153612-faq .hl153612-container > .hl153612-section-h2{grid-column:1/-1}
.hl153612-faq-item{display:inline-block;width:calc(50% - 6px);margin-right:6px;vertical-align:top}
@media(max-width:680px){.hl153612-faq-item{width:100%}}