/* 糖心vlog设计哲学：新东方影像剪辑主义；片场墨黑、糖橙珊瑚、胶片青、时间码、胶片齿孔、非对称剪辑轨道。
   本样式文件服务于全站 PHP 静态页面，强调视频 SEO、移动端响应、快速加载与原创品牌识别。 */
:root{
  --ink:#141617;--ink-2:#1e2324;--paper:#fff6e5;--paper-2:#f7ead0;--coral:#ff6d4a;--coral-2:#d84b31;--teal:#34c6bb;--teal-2:#217b78;--muted:#8f948e;--line:rgba(255,246,229,.18);--shadow:0 24px 70px rgba(0,0,0,.36);--radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.skip-link{position:absolute;left:-999px;top:auto;background:var(--paper);color:var(--ink);padding:.6rem 1rem;z-index:999}
.skip-link:focus{left:1rem;top:1rem}
.film-grain{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.16;background-image:radial-gradient(circle at 20% 10%,rgba(255,255,255,.10),transparent 22%),linear-gradient(135deg,rgba(255,109,74,.06),transparent 35%),repeating-linear-gradient(90deg,rgba(255,246,229,.02) 0 1px,transparent 1px 7px)}
.site-shell{position:relative;z-index:1}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.topbar{border-bottom:1px solid var(--line);background:rgba(20,22,23,.88);backdrop-filter:blur(18px);position:sticky;top:0;z-index:20}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.brand-link{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.04em}
.brand-link img{height:48px;width:auto}
.site-icon{height:34px!important;width:34px!important;border-radius:10px}
.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-size:.94rem;color:rgba(255,246,229,.82);padding:.55rem .82rem;border:1px solid transparent;border-radius:999px;transition:.22s ease}
.nav a:hover,.nav a.active{border-color:rgba(255,109,74,.65);color:#fff6e5;background:rgba(255,109,74,.12)}
.search-band{background:linear-gradient(90deg,rgba(255,109,74,.16),rgba(52,198,187,.10));border-bottom:1px solid var(--line)}
.search-inner{display:grid;grid-template-columns:1fr auto;gap:12px;padding:18px 0}
.search-box{position:relative}
.search-box input{width:100%;height:50px;border:1px solid rgba(255,246,229,.22);border-radius:999px;background:rgba(255,246,229,.08);color:var(--paper);padding:0 150px 0 22px;outline:none}
.search-box input::placeholder{color:rgba(255,246,229,.58)}
.search-box button,.cta,.mini-btn{border:0;border-radius:999px;background:var(--coral);color:#1b1210;font-weight:800;padding:.78rem 1.1rem;box-shadow:0 12px 32px rgba(255,109,74,.22);transition:.22s ease;cursor:pointer}
.search-box button{position:absolute;right:5px;top:5px;height:40px}
.search-box button:hover,.cta:hover,.mini-btn:hover{transform:translateY(-2px);filter:saturate(1.1)}
.search-hint{font-size:.88rem;color:rgba(255,246,229,.68);align-self:center}
.hero{padding:72px 0 42px;position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);gap:34px;align-items:center}
.kicker{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(52,198,187,.45);color:var(--teal);border-radius:999px;padding:.32rem .72rem;font-size:.86rem;background:rgba(52,198,187,.08)}
h1,h2,h3,h4,h5,h6{line-height:1.18;margin:0;color:var(--paper);letter-spacing:-.02em}
h1{font-size:clamp(2.35rem,5.2vw,5.9rem);max-width:820px;margin:18px 0 18px}
h2{font-size:clamp(1.78rem,3vw,3.05rem);margin-bottom:16px}
h3{font-size:1.32rem;margin-bottom:8px}
h4{font-size:1.08rem;margin-bottom:8px}
h5{font-size:1rem;margin-bottom:6px}
h6{font-size:.93rem;margin-bottom:6px;color:var(--teal)}
.lead{font-size:1.11rem;color:rgba(255,246,229,.82);max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.ghost{border:1px solid rgba(255,246,229,.22);background:rgba(255,246,229,.07);color:var(--paper)}
.metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.metric{padding:16px;border:1px solid var(--line);background:rgba(255,246,229,.06);border-radius:18px}
.metric b{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.35rem;color:var(--coral)}
.hero-card{position:relative;border:1px solid rgba(255,246,229,.18);border-radius:32px;overflow:hidden;box-shadow:var(--shadow);background:#000}
.hero-card img{aspect-ratio:16/9;object-fit:cover}
.hero-card:after{content:"00:01:25 / 糖心vlog LIVE";position:absolute;left:18px;bottom:16px;background:rgba(20,22,23,.72);border:1px solid rgba(255,246,229,.18);padding:.36rem .72rem;border-radius:999px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem;color:var(--paper)}
.play-badge{position:absolute;inset:auto 22px 22px auto;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:rgba(255,109,74,.88);box-shadow:0 0 0 12px rgba(255,109,74,.12);transition:.22s ease}
.play-badge:before{content:"";border-left:18px solid var(--paper);border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.section{padding:70px 0;border-top:1px solid rgba(255,246,229,.10)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:28px}
.section-head p{max-width:620px;color:rgba(255,246,229,.72);margin:0}
.timeline-label{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--teal);font-size:.86rem}
.track-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.video-card{position:relative;min-height:318px;border:1px solid rgba(255,246,229,.16);background:linear-gradient(180deg,rgba(255,246,229,.07),rgba(255,246,229,.035));border-radius:var(--radius);overflow:hidden;transition:.25s ease;box-shadow:0 18px 38px rgba(0,0,0,.22)}
.video-card:hover{transform:translateY(-5px);border-color:rgba(255,109,74,.62)}
.video-card video,.video-card img{width:100%;height:178px;object-fit:cover;background:#000}
.video-card .overlay-play{position:absolute;top:70px;left:50%;transform:translate(-50%,-50%) scale(.82);width:58px;height:58px;border-radius:50%;background:rgba(255,109,74,.92);opacity:0;display:grid;place-items:center;transition:.22s ease}
.video-card .overlay-play:before{content:"";border-left:16px solid var(--paper);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.video-card:hover .overlay-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.card-body{padding:18px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin:.7rem 0}
.tag{font-size:.78rem;color:var(--ink);background:var(--paper);border-radius:999px;padding:.22rem .55rem}
.tag.hot{background:var(--coral)}
.stats{display:flex;gap:12px;flex-wrap:wrap;color:rgba(255,246,229,.64);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem}
.feature-rail{display:grid;gap:16px}
.feature{display:grid;grid-template-columns:86px 1fr;gap:16px;align-items:center;border:1px solid rgba(255,246,229,.16);border-radius:20px;background:rgba(255,246,229,.055);padding:14px}
.feature .num{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.5rem;color:var(--coral)}
.poster-card{border-radius:26px;overflow:hidden;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
.poster-card img{height:250px;width:100%;object-fit:cover}
.poster-card .pad{padding:20px}
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.module{border:1px solid rgba(255,246,229,.15);border-radius:22px;padding:20px;background:rgba(255,246,229,.055)}
.module p,.expert p,.review p,.faq p,.contact-card p{color:rgba(255,246,229,.72);margin:.35rem 0 0}
.json-note{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.78rem;color:rgba(52,198,187,.9);margin-top:10px}
.expert-grid,.review-grid,.contact-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.expert,.review,.faq,.contact-card{border:1px solid rgba(255,246,229,.16);border-radius:22px;background:rgba(255,246,229,.055);padding:20px}
.expert-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.logo-item{min-height:78px;border:1px dashed rgba(255,246,229,.25);border-radius:18px;display:grid;place-items:center;background:rgba(255,246,229,.045);font-weight:900;color:rgba(255,246,229,.78)}
.howto{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;border-left:4px solid var(--coral);padding:18px;border-radius:18px;background:rgba(255,246,229,.055)}
.step:before{counter-increment:step;content:"0"counter(step);font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--teal);font-weight:900}
.share-row{display:flex;flex-wrap:wrap;gap:12px}
.share-row button{border:1px solid rgba(255,246,229,.18);background:rgba(255,246,229,.07);color:var(--paper);border-radius:999px;padding:.68rem 1rem;cursor:pointer}
.footer{padding:48px 0 30px;border-top:1px solid rgba(255,246,229,.14);background:#101213}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px;align-items:start}
.footer-logo{height:54px;width:auto;margin-bottom:10px}
.qr-row{display:flex;gap:18px;flex-wrap:wrap}
.qr-row img{width:112px;height:112px;border-radius:16px;background:var(--paper);padding:6px}
.breadcrumb{padding:18px 0;color:rgba(255,246,229,.66);font-size:.9rem}
.breadcrumb a{color:var(--teal)}
.page-hero{padding:58px 0 34px;background:linear-gradient(135deg,rgba(255,109,74,.14),rgba(52,198,187,.08))}
.content-card{border:1px solid rgba(255,246,229,.16);border-radius:26px;background:rgba(255,246,229,.055);padding:24px;margin:18px 0}
.content-card p{color:rgba(255,246,229,.74)}
.notice{border:1px solid rgba(52,198,187,.35);border-radius:20px;padding:18px;background:rgba(52,198,187,.08);color:rgba(255,246,229,.84)}
.mcp-widget{border:1px solid rgba(52,198,187,.35);background:linear-gradient(135deg,rgba(52,198,187,.10),rgba(255,109,74,.08));padding:18px;border-radius:22px;font-family:ui-monospace,Menlo,Consolas,monospace}
@media (max-width:960px){.hero-grid,.track-grid,.footer-grid{grid-template-columns:1fr}.video-grid,.module-grid{grid-template-columns:repeat(2,1fr)}.howto{grid-template-columns:repeat(2,1fr)}.logo-wall{grid-template-columns:repeat(3,1fr)}.section-head{display:block}}
@media (max-width:640px){.nav-wrap{align-items:flex-start;flex-direction:column;padding:14px 0}.nav{justify-content:flex-start}.search-inner{grid-template-columns:1fr}.search-box input{padding-right:20px}.search-box button{position:static;margin-top:10px;width:100%}.metric-strip,.video-grid,.module-grid,.expert-grid,.review-grid,.contact-grid,.faq-grid,.howto{grid-template-columns:1fr}.hero{padding-top:44px}.logo-wall{grid-template-columns:repeat(2,1fr)}h1{font-size:2.3rem}}

/* 糖心vlog设计哲学补充：EEAT信息区使用片场资料卡形式，服务百度“出身、内涵、口碑”质量信号。 */
.eeat-audit{background:linear-gradient(135deg,rgba(255,109,74,.08),rgba(52,198,187,.07));}
.eeat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.eeat-card{border:1px solid rgba(255,246,229,.18);border-radius:22px;background:rgba(255,246,229,.065);padding:20px;box-shadow:0 16px 34px rgba(0,0,0,.18);}
.eeat-card h2,.eeat-card h3{font-size:1.12rem;color:var(--paper);}
.eeat-card p{color:rgba(255,246,229,.74);margin:.35rem 0 0;}
@media (max-width:960px){.eeat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.eeat-grid{grid-template-columns:1fr;}}