/*
Design reminder for every stylesheet edit: 家庭影像志采用“江南新电影手稿美学”。所有样式都应强化胶片分镜、校园晨曦、墨绿胶片、胭脂批注、暗金字幕与片场场记板信息条；每一次颜色、留白、边框、动画选择都要回答：这是否强化家庭影像志的影视家庭影像社区气质？
*/
:root{
  --paper:#fbf2df;
  --paper-2:#f4e3c3;
  --ink:#17392f;
  --ink-2:#0d271f;
  --red:#9d382b;
  --gold:#c08a3e;
  --muted:#746852;
  --line:rgba(23,57,47,.18);
  --shadow:0 24px 60px rgba(20,45,37,.16);
  --radius:26px;
  --font-title:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:radial-gradient(circle at 12% 8%,rgba(192,138,62,.18),transparent 28%),linear-gradient(135deg,#fbf2df 0%,#f8ead1 42%,#eef0df 100%);line-height:1.76;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
.skip-link{position:absolute;left:-999px;top:10px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:99}.skip-link:focus{left:10px}
.site-shell{width:min(1180px,calc(100% - 36px));margin:0 auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(251,242,223,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:82px}.brand{display:flex;align-items:center;gap:14px}.brand img{width:132px;height:auto}.brand-text{font-family:var(--font-title);font-size:15px;color:var(--muted);letter-spacing:.18em}.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.nav a{padding:10px 13px;border-radius:999px;font-weight:700;color:#23463c;font-size:15px}.nav a:hover,.nav a:focus{background:#f0d9b1;color:var(--red)}
.search-band{border-bottom:1px dashed rgba(23,57,47,.24);background:rgba(244,227,195,.58)}.search-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:16px 0;position:relative}.search-row label{position:absolute;left:-9999px}.search-row input{width:100%;border:1px solid rgba(23,57,47,.22);background:rgba(255,252,244,.72);border-radius:999px;padding:14px 20px;color:var(--ink);box-shadow:inset 0 2px 8px rgba(23,57,47,.04)}.search-row button,.btn{border:0;border-radius:999px;background:var(--ink);color:#fff;padding:13px 22px;font-weight:800;box-shadow:0 12px 30px rgba(23,57,47,.2);transition:.24s ease}.search-row button:hover,.btn:hover{transform:translateY(-2px);background:#214d42}.search-result{position:absolute;left:0;right:0;top:64px;z-index:20;background:#fff9ec;border:1px solid var(--line);border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);display:none}.search-result.is-visible{display:block}.search-result strong{color:var(--red)}
.breadcrumb{font-size:14px;color:var(--muted);margin:28px 0 12px}.breadcrumb a{color:var(--red);font-weight:700}.hero{position:relative;padding:54px 0 74px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:34px;align-items:stretch}.hero-copy{position:relative;z-index:2;padding:44px 0}.stamp{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(157,56,43,.34);color:var(--red);background:rgba(255,252,244,.72);border-radius:999px;padding:7px 13px;font-weight:800;font-size:14px;letter-spacing:.1em}.stamp::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--red)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-title);line-height:1.18;margin:0;color:var(--ink-2)}h1{font-size:clamp(42px,7vw,86px);letter-spacing:.03em;margin-top:18px;max-width:900px}h2{font-size:clamp(30px,4.3vw,54px)}h3{font-size:clamp(23px,2.5vw,32px)}h4{font-size:20px}h5{font-size:17px}h6{font-size:15px}.lead{font-size:18px;color:#314e44;max-width:680px}.hero .lead{margin:22px 0 26px}.domain-line{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.domain-line span{padding:7px 11px;background:#fff7e8;border:1px dashed rgba(23,57,47,.25);border-radius:10px;color:var(--muted);font-weight:700}.hero-media{position:relative;border-radius:34px;overflow:hidden;min-height:520px;box-shadow:var(--shadow);transform:rotate(1.2deg);border:12px solid rgba(255,250,235,.78)}.hero-media img{width:100%;height:100%;object-fit:cover}.hero-card{position:absolute;right:18px;bottom:18px;background:rgba(13,39,31,.86);color:#fff;border-radius:20px;padding:18px;max-width:310px;border:1px solid rgba(255,255,255,.18)}.hero-card strong{display:block;font-size:26px;color:#f8e1b5}.hero-card p{margin:6px 0 0;color:#f3ead8}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn.secondary{background:#fff7e8;color:var(--ink);border:1px solid var(--line);box-shadow:none}.section{padding:70px 0}.section-head{display:grid;grid-template-columns:minmax(0,.72fr) minmax(280px,.28fr);gap:26px;margin-bottom:30px;align-items:end}.eyebrow{color:var(--red);font-weight:900;letter-spacing:.16em;margin:0 0 8px}.section-head p{margin:0;color:#486459}.film-strip{position:relative}.film-strip::before,.film-strip::after{content:"";position:absolute;left:0;right:0;height:14px;background:repeating-linear-gradient(90deg,rgba(23,57,47,.72) 0 16px,transparent 16px 28px);opacity:.18}.film-strip::before{top:-18px}.film-strip::after{bottom:-18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card{background:rgba(255,249,236,.78);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 16px 36px rgba(23,57,47,.08);position:relative;overflow:hidden}.card::after{content:"";position:absolute;right:-42px;top:-42px;width:120px;height:120px;background:rgba(192,138,62,.14);border-radius:50%}.card h3,.card h4{position:relative;z-index:1;margin-bottom:10px}.card p,.card li{position:relative;z-index:1;color:#486459}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.tag{display:inline-flex;border:1px solid rgba(157,56,43,.25);background:#fff5e4;color:var(--red);border-radius:999px;padding:5px 10px;font-size:13px;font-weight:800}.data-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.data-row span{background:rgba(23,57,47,.08);border-radius:14px;padding:10px;text-align:center}.data-row b{display:block;font-size:20px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.video-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:20px}.video-card{position:relative;min-height:290px;border-radius:30px;overflow:hidden;background:linear-gradient(135deg,#183d32,#8f2f23);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.24);isolation:isolate}.video-card.small{min-height:220px}.video-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:transform .35s ease,opacity .35s ease}.video-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,39,31,.08),rgba(13,39,31,.74));z-index:1}.video-info{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff}.video-info h3,.video-info h4{color:#fff;margin-bottom:8px}.play{position:absolute;z-index:3;left:50%;top:48%;transform:translate(-50%,-50%) scale(.8);width:74px;height:74px;border-radius:50%;border:2px solid rgba(255,255,255,.68);background:rgba(255,255,255,.16);color:#fff;font-size:28px;opacity:0;transition:.25s ease;display:grid;place-items:center}.video-card:hover .play,.video-card:focus-within .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-card:hover img{transform:scale(1.06);opacity:.9}.video-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:#f8e7c7}.json-box{background:#112e27;color:#f8edd8;border-radius:24px;padding:18px;overflow:auto;border:1px solid rgba(248,237,216,.16);font-size:13px;line-height:1.55}.json-box code{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.expert-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:stretch}.image-panel{border-radius:32px;overflow:hidden;box-shadow:var(--shadow);border:10px solid rgba(255,249,236,.86)}.image-panel img{width:100%;height:100%;object-fit:cover}.expert-list{display:grid;gap:14px}.expert{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:#fff9ec;border:1px solid var(--line);border-radius:20px;padding:17px}.expert strong{font-family:var(--font-title);font-size:22px}.expert small{display:block;color:var(--muted)}.mini-btn{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:#fff;color:var(--ink);font-weight:800}.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.partner{min-height:72px;border-radius:18px;background:#fff7e7;border:1px solid var(--line);display:grid;place-items:center;font-family:var(--font-title);font-weight:900;color:#275347;box-shadow:0 10px 22px rgba(23,57,47,.07)}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{counter-increment:step;background:#fff9ec;border:1px solid var(--line);border-radius:22px;padding:20px}.step::before{content:"0" counter(step);display:inline-flex;background:var(--red);color:#fff;border-radius:999px;padding:4px 10px;font-weight:900;margin-bottom:12px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff9ec;border:1px solid var(--line);border-radius:20px;padding:16px 18px}.faq-list summary{cursor:pointer;font-weight:900;color:var(--ink)}.faq-list p{color:#486459;margin:10px 0 0}.reviews{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.review{background:#fff9ec;border:1px solid var(--line);border-radius:22px;padding:18px}.review b{display:block;color:var(--red);margin-bottom:6px}.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.contact-card{background:#fff9ec;border:1px solid var(--line);border-radius:26px;padding:24px}.qr-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.qr{background:#fff;border-radius:18px;padding:14px;border:1px solid var(--line);text-align:center}.qr img{width:150px;margin:0 auto 8px}.share-row{display:flex;gap:10px;flex-wrap:wrap}.share-btn{border:1px solid rgba(23,57,47,.2);background:#fff9ec;color:var(--ink);border-radius:999px;padding:10px 13px;font-weight:800}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(30px);opacity:0;background:#112e27;color:#fff;padding:12px 18px;border-radius:999px;box-shadow:var(--shadow);transition:.28s ease;z-index:100}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.site-footer{margin-top:60px;background:#102d25;color:#f8ead1;padding:46px 0 28px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.footer-logo img{width:140px}.footer-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.footer-links a{border:1px solid rgba(248,234,209,.2);padding:8px 12px;border-radius:999px}.update{color:#d8c59d;margin-top:12px}.page-hero{padding:56px 0 36px;border-bottom:1px dashed var(--line)}.page-hero .lead{max-width:820px}.article-grid{display:grid;grid-template-columns:1fr 310px;gap:28px}.article{background:#fff9ec;border:1px solid var(--line);border-radius:30px;padding:30px}.side-note{position:sticky;top:118px;align-self:start;background:#112e27;color:#f8ead1;border-radius:26px;padding:22px}.side-note h3{color:#fff}.media-list{display:grid;gap:16px}.media-item{display:grid;grid-template-columns:160px 1fr;gap:18px;background:#fff9ec;border:1px solid var(--line);border-radius:24px;padding:14px}.thumb{min-height:116px;border-radius:18px;background:linear-gradient(135deg,#17392f,#c08a3e);display:grid;place-items:center;color:#fff;font-weight:900;position:relative;overflow:hidden}.thumb::after{content:"▶";width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;border:1px solid rgba(255,255,255,.4)}
@media (max-width:980px){.hero-grid,.section-head,.expert-layout,.contact-grid,.footer-grid,.article-grid{grid-template-columns:1fr}.hero-media{min-height:390px;transform:none}.grid-3,.grid-4,.reviews,.steps,.logo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}.video-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.side-note{position:static}.nav-wrap{align-items:flex-start;flex-direction:column;padding:16px 0}.search-row{grid-template-columns:1fr}.search-result{top:112px}}
@media (max-width:620px){.site-shell{width:min(100% - 24px,1180px)}.brand img{width:112px}.nav{gap:2px}.nav a{font-size:13px;padding:8px 10px}.hero{padding:30px 0 48px}.hero-copy{padding:20px 0}h1{font-size:42px}.grid-3,.grid-4,.reviews,.steps,.logo-wall,.qr-row,.media-item{grid-template-columns:1fr}.section{padding:48px 0}.data-row{grid-template-columns:1fr}.hero-media{min-height:310px}.video-card{min-height:250px}.footer-grid{text-align:left}.article,.card{padding:20px}.media-item{display:block}.thumb{margin-bottom:12px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.mt-16{margin-top:16px}.mt-18{margin-top:18px}.mt-20{margin-top:20px}.mt-22{margin-top:22px}.mt-24{margin-top:24px}.mt-34{margin-top:34px}


/* 家庭影像志江南新电影手稿美学：EEAT可信模块。所有布局继续强调胶片分镜、纸张质感与移动端可读性。 */
.eeat-bar{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:18px;margin-bottom:4px;padding:12px 16px;border:1px solid rgba(60,51,38,.14);background:rgba(255,250,239,.86);box-shadow:0 10px 30px rgba(70,51,31,.06);font-size:14px;color:#5b4b3a}
.eeat-bar span{min-height:28px;display:inline-flex;align-items:center}
.trust-section{background:linear-gradient(135deg,rgba(255,250,239,.96),rgba(235,247,241,.92));position:relative;overflow:hidden}
.trust-section:before{content:"家庭影像志 EEAT";position:absolute;right:-36px;top:36px;font-size:84px;font-family:Georgia,serif;color:rgba(70,51,31,.055);letter-spacing:.08em;transform:rotate(8deg)}
.trust-matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.audit-card,.policy-grid>div{background:rgba(255,255,250,.86);border:1px solid rgba(60,51,38,.13);box-shadow:0 18px 42px rgba(65,52,33,.08);padding:22px;position:relative}
.audit-card:before{content:"";display:block;width:38px;height:3px;background:#a86f3c;margin-bottom:16px}
.audit-card h3,.policy-grid h3,.policy-grid h2{margin-top:0;color:#2d3b31}
.policy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.compact-trust{padding-top:36px;background:#f7f1e7}
.video-card .play{min-width:48px;min-height:48px}
button,.btn,.mini-btn,.share-btn,.nav a{min-height:44px}
@media (max-width:900px){.trust-matrix,.policy-grid{grid-template-columns:1fr 1fr}.trust-section:before{font-size:56px;top:8px}}
@media (max-width:620px){.eeat-bar{font-size:13px;padding:10px}.trust-matrix,.policy-grid{grid-template-columns:1fr}.audit-card,.policy-grid>div{padding:18px}.trust-section:before{display:none}button,.btn,.mini-btn,.share-btn,.nav a{min-height:46px}}