@import "https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@500;600;700&display=swap";:root{--paper:#f7f5ef;--ink:#1c1c1a;--ink-soft:#54514a;--muted:#8a857a;--line:#ddd6c6;--line-strong:#1c1c1a;--cinnabar:#c8401f;--mono:"DM Mono", monospace;--serif:"Noto Serif SC", "Songti SC", serif;--sans:"Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:inherit;text-decoration:none}button{color:inherit;font:inherit}img{max-width:100%}.site-shell{overflow:hidden}.container{width:min(1120px,90vw);margin:0 auto}.site-header{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#f7f5efeb;justify-content:space-between;align-items:center;padding:16px 4vw;display:flex;position:sticky;top:0}.brand{width:168px;display:inline-flex}.brand-logo-image{width:100%;height:auto;display:block}.site-nav{align-items:center;gap:clamp(20px,3vw,42px);font-size:13.5px;display:flex}.site-nav>a{color:var(--ink-soft);transition:color .2s}.site-nav>a:hover{color:var(--ink)}.nav-contact{border-bottom:1px solid var(--ink);padding-bottom:2px;color:var(--ink)!important}.language-switch{font:10.5px var(--mono);letter-spacing:.05em;color:var(--muted);align-items:center;gap:7px;display:inline-flex}.language-switch button{appearance:none;color:inherit;cursor:pointer;background:0 0;border:0;padding:3px 0}.language-switch button:hover,.language-switch button.is-active{color:var(--cinnabar)}.language-switch span{opacity:.4}.menu-toggle{background:0 0;border:0;padding:5px;display:none}.hero{border-bottom:1px solid var(--line-strong);padding:84px 0 96px}.hero-layout{grid-template-columns:1.05fr 1fr;align-items:end;gap:5vw;display:grid}.hero-kicker{font:11px var(--mono);letter-spacing:.18em;color:var(--muted);border-bottom:1px solid var(--line);margin:0 0 26px;padding-bottom:12px;display:inline-block}.hero-title{font-family:var(--serif);letter-spacing:.01em;margin:0;font-size:clamp(38px,4.6vw,62px);font-weight:600;line-height:1.28}.hero-title-line{white-space:nowrap;display:block}.hero-title em{color:var(--cinnabar);font-style:normal}.hero-subtitle{max-width:460px;color:var(--ink-soft);margin:14px 0 0;font-size:16px;font-weight:500;line-height:1.6}.hero-copy{max-width:430px;color:var(--ink-soft);margin:22px 0 30px;font-size:14.5px;line-height:1.9}.hero-actions{flex-wrap:wrap;align-items:center;gap:18px 34px;display:flex}.action-button{color:#fff;background:var(--cinnabar);border-radius:4px;align-items:center;gap:6px;padding:11px 22px;font-size:14px;font-weight:500;transition:opacity .2s;display:inline-flex}.action-button:hover{opacity:.88}.action-link{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar);align-items:center;gap:6px;padding-bottom:4px;font-size:14px;font-weight:500;transition:opacity .2s;display:inline-flex}.action-link:hover{opacity:.7}.hero-badges{color:var(--ink-soft);flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0;font-size:12px;list-style:none;display:flex}.hero-badges li{border:1px solid var(--line);border-radius:999px;padding:5px 10px}.hero-figure{margin:0}.hero-figure img{aspect-ratio:3/2;object-fit:cover;border:1px solid var(--line);width:100%;display:block}.hero-figure figcaption{font:10px var(--mono);letter-spacing:.1em;color:var(--muted);margin-top:10px}.section-head{border-bottom:1px solid var(--line-strong);justify-content:space-between;align-items:baseline;margin-bottom:0;padding-bottom:14px;display:flex}.section-head h2{font-family:var(--serif);letter-spacing:.02em;margin:0;font-size:clamp(26px,3vw,38px);font-weight:600}.section-head span{font:10px var(--mono);letter-spacing:.14em;color:var(--muted)}.section-intro{max-width:460px;color:var(--ink-soft);margin:20px 0 0;font-size:14px;line-height:1.85}.industries{border-top:1px solid var(--line-strong);padding:88px 0 96px}.industry-showcase{margin-top:42px}.industry-tabs{flex-wrap:wrap;gap:8px;margin-bottom:28px;display:flex}.industry-tabs button{appearance:none;border:1px solid var(--line);color:var(--ink-soft);cursor:pointer;background:0 0;border-radius:999px;padding:8px 18px;font-size:13.5px;transition:color .2s,border-color .2s,background .2s}.industry-tabs button:hover{color:var(--ink);border-color:var(--line-strong)}.industry-tabs button.is-active{color:#fff;background:var(--ink);border-color:var(--ink)}.industry-panel{grid-template-columns:1fr 1.25fr;align-items:start;gap:5vw;display:grid}.industry-text{padding-right:2vw}.industry-text h3{font-family:var(--serif);margin:0 0 16px;font-size:clamp(24px,2.6vw,34px);font-weight:600}.industry-text p{color:var(--ink-soft);max-width:420px;margin:0 0 22px;font-size:14.5px;line-height:1.9}.industry-cards-link{margin-left:22px}.industry-cards-all{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:26px;padding-top:18px;font-size:13.5px}.industry-cards-all-label{color:var(--muted);margin-right:6px}.industry-cards-all a{border:1px solid var(--line);color:var(--ink);border-radius:999px;margin:0 4px;padding:5px 12px;font-size:13px;text-decoration:none;display:inline-block}.industry-cards-all a:hover{border-color:var(--line-strong);background:#fff}.industry-main{margin:0}.industry-main img{aspect-ratio:3/2;object-fit:cover;border:1px solid var(--line);cursor:zoom-in;width:100%;display:block}.industry-thumbs{grid-template-columns:1fr 1fr;gap:18px;margin-top:18px;display:grid}.industry-thumbs figure{cursor:pointer;margin:0}.industry-thumbs img{aspect-ratio:3/2;object-fit:cover;border:1px solid var(--line);width:100%;transition:opacity .2s;display:block}.industry-thumbs img:hover{opacity:.85}.industry-thumbs figcaption{color:var(--ink-soft);margin-top:8px;font-size:12px}.video-section{border-top:1px solid var(--line-strong);padding:88px 0 96px}.video-grid{grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px;display:grid}.video-card{margin:0}.video-card video{border:1px solid var(--line);background:#000;border-radius:8px;width:100%;height:auto;display:block}.video-card figcaption{margin-top:12px}.video-card figcaption strong{font-family:var(--serif);margin-bottom:4px;font-size:15px;font-weight:600;display:block}.video-card figcaption span{color:var(--ink-soft);font-size:12px;display:block}@media (width<=800px){.industry-panel{grid-template-columns:1fr;gap:26px}.industry-thumbs{grid-template-columns:1fr 1fr;gap:12px}.video-grid{grid-template-columns:1fr;max-width:360px}}.plates{padding:88px 0 96px}.plate-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:40px;display:grid}.plate{border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;transition:border-color .2s;display:flex;overflow:hidden}.plate:hover{border-color:var(--line-strong)}.plate-featured{border-color:var(--ink)}.plate-media{background:var(--paper);border-bottom:1px solid var(--line);position:relative}.plate-image{aspect-ratio:4/3;object-fit:contain;cursor:zoom-in;width:100%;padding:16px;display:block}.plate-badge{z-index:1;font:10.5px var(--mono);letter-spacing:.06em;color:#fff;background:var(--ink);border-radius:3px;padding:5px 10px;position:absolute;top:14px;left:14px}.plate-thumbs{flex-wrap:wrap;gap:8px;padding:0 16px 16px;display:flex}.plate-thumbs button{appearance:none;border:1px solid var(--line);background:var(--paper);cursor:pointer;border-radius:4px;width:50px;height:50px;padding:0;transition:border-color .2s;overflow:hidden}.plate-thumbs button img{object-fit:cover;width:100%;height:100%;display:block}.plate-thumbs button:hover{border-color:var(--ink)}.plate-thumbs button.is-active{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}.plate-info{flex-direction:column;flex:1;padding:22px 24px 26px;display:flex}.plate-info h3{font-family:var(--serif);margin:0 0 10px;font-size:21px;font-weight:600}.plate-anno{color:var(--ink-soft);flex:1;margin:0 0 20px;font-size:13.5px;line-height:1.85}.buy-button{color:#fff;background:var(--cinnabar);border-radius:4px;align-self:flex-start;align-items:center;gap:6px;padding:10px 18px;font-size:13.5px;font-weight:500;transition:opacity .2s;display:inline-flex}.buy-button:hover{opacity:.88}.buy-button-dark{background:var(--ink)}.plate-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px;display:flex}.plate-actions .buy-button{align-self:auto}.share-button{color:var(--ink);border:1px solid var(--line-strong,#c9c4b4);cursor:pointer;background:0 0;border-radius:4px;align-items:center;gap:6px;padding:10px 16px;font-size:13.5px;font-weight:500;transition:border-color .2s,background .2s;display:inline-flex}.share-button:hover{border-color:var(--ink);background:#1c1c1a0a}.buy-link{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar);align-items:center;gap:5px;padding-bottom:3px;font-size:13.5px;font-weight:500;transition:opacity .2s;display:inline-flex}.buy-link:hover{opacity:.7}.catalog{padding:88px 0 96px}.catalog-grid{grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px;display:grid}.catalog-item{margin:0}.catalog-item-wide{grid-column:span 2}.catalog-item img{aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);width:100%;transition:opacity .25s;display:block}.catalog-item:hover img{opacity:.88}.catalog-item figcaption{justify-content:space-between;align-items:baseline;margin-top:9px;font-size:13px;display:flex}.catalog-item figcaption em{color:var(--muted);font-size:11px;font-style:normal}.custom{padding:88px 0 96px}.custom-list{margin-top:24px}.custom-row{border-bottom:1px solid var(--line);grid-template-columns:1.1fr 1.6fr auto;align-items:center;gap:26px;padding:26px 0;display:grid}.custom-row:first-child{border-top:1px solid var(--line)}.custom-row h3{font-family:var(--serif);margin:0;font-size:19px;font-weight:600}.custom-row p{color:var(--ink-soft);margin:0;font-size:13px;line-height:1.8}.custom-row a{white-space:nowrap;color:var(--ink);border-bottom:1px solid var(--ink);align-items:center;gap:5px;padding-bottom:3px;font-size:13px;transition:opacity .2s;display:inline-flex}.custom-row a:hover{opacity:.65}.about{border-top:1px solid var(--line-strong);padding:88px 0}.about-layout{grid-template-columns:1fr 2fr;gap:5vw;display:grid}.about-layout h2{font-family:var(--serif);margin:0;font-size:clamp(24px,2.6vw,34px);font-weight:600}.about-layout p{max-width:640px;color:var(--ink-soft);margin:0;font-size:15px;line-height:2.05}.glossary{padding:88px 0}.glossary-title{font-family:var(--serif);margin:0 0 12px;font-size:clamp(24px,2.6vw,34px);font-weight:600}.glossary-intro{max-width:620px;color:var(--ink-soft);margin:0 0 34px;font-size:14.5px;line-height:1.9}.glossary-list{border-top:1px solid var(--line);max-width:820px;margin:0}.glossary-item{border-bottom:1px solid var(--line);padding:22px 0}.glossary-item dt{flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.glossary-term{font-family:var(--serif);font-size:18px;font-weight:600}.glossary-alias{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);opacity:.65;font-size:12px}.glossary-item dd{color:var(--ink-soft);margin:0;font-size:14px;line-height:1.95}.faq{padding:88px 0 96px}.faq-title{font-family:var(--serif);margin:0 0 34px;font-size:clamp(24px,2.6vw,34px);font-weight:600}.faq-list{border-top:1px solid var(--line);max-width:780px}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:15px;font-weight:500;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary svg{color:var(--muted);flex:none;transition:transform .2s}.faq-item[open] summary svg{transform:rotate(90deg)}.faq-item p{color:var(--ink-soft);margin:-6px 40px 22px 0;font-size:13.5px;line-height:1.9}.buy-inline{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar);align-items:center;gap:3px;padding-bottom:1px;font-weight:500;display:inline-flex}.contact{border-top:1px solid var(--line-strong);padding:96px 0 30px}.contact-title{font-family:var(--serif);margin:0 0 30px;font-size:clamp(30px,4vw,52px);font-weight:600;line-height:1.3}.contact-links{flex-wrap:wrap;gap:22px 48px;display:flex}.contact-links a{border-bottom:1px solid var(--ink);align-items:center;gap:7px;padding-bottom:5px;font-size:15px;font-weight:500;transition:opacity .2s;display:inline-flex}.contact-links a:hover{opacity:.65}.contact-links .contact-buy{color:var(--cinnabar);border-color:var(--cinnabar)}.qr-list{flex-wrap:wrap;gap:32px;margin-top:34px;display:flex}.contact-qr{margin:0;display:inline-block}.contact-qr img{object-fit:contain;border:1px solid var(--line);cursor:zoom-in;background:#fff;border-radius:8px;width:160px;height:auto;display:block}.contact-qr figcaption{color:var(--ink-soft);margin-top:10px;font-size:12px}@media (width<=640px){.qr-list{gap:24px}.contact-qr img{width:144px}}.zoomable{cursor:zoom-in}.lightbox{z-index:1000;cursor:zoom-out;background:#1c1c1aeb;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.lightbox img{object-fit:contain;cursor:default;background:#fff;border:1px solid #ffffff1f;border-radius:4px;max-width:90vw;max-height:90vh}.lightbox-close{color:#fff;cursor:pointer;opacity:.8;background:0 0;border:0;width:44px;height:44px;font-size:32px;line-height:1;transition:opacity .2s;position:absolute;top:20px;right:24px}.lightbox-close:hover{opacity:1}.lightbox-nav{color:#fff;cursor:pointer;opacity:.85;z-index:2;background:#1c1c1a73;border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;font-size:30px;line-height:1;transition:opacity .2s,background .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover{opacity:1;background:#1c1c1abf}.lightbox-prev{left:14px}.lightbox-next{right:14px}.lightbox-count{color:#ffffffd9;letter-spacing:.08em;font-variant-numeric:tabular-nums;pointer-events:none;background:#1c1c1a73;border-radius:999px;padding:4px 14px;font-size:13px;position:absolute;bottom:22px;left:50%;transform:translate(-50%)}.site-footer{border-top:1px solid var(--line);font:10.5px var(--mono);letter-spacing:.04em;color:var(--muted);justify-content:space-between;gap:16px;margin-top:22px;padding-top:16px;display:flex}.footer-guides{border-top:1px solid var(--line);flex-wrap:wrap;align-items:baseline;gap:10px 26px;margin-top:64px;padding-top:22px;display:flex}.footer-guides-label{font:10.5px var(--mono);letter-spacing:.14em;color:var(--muted)}.footer-guides a{color:var(--ink-soft);border-bottom:1px solid #0000;padding-bottom:2px;font-size:13.5px;transition:color .2s,border-color .2s}.footer-guides a:hover{color:var(--cinnabar);border-bottom-color:var(--cinnabar)}.site-footer a{align-items:center;gap:4px;display:inline-flex}.footer-qr{align-items:center;gap:14px;margin-top:26px;display:flex}.footer-qr img{cursor:zoom-in;border-radius:10px;width:76px;height:76px;box-shadow:0 2px 10px #16213a1f}.footer-qr-text{flex-direction:column;gap:4px;display:flex}.footer-qr-text span:first-child{font:12px var(--mono);letter-spacing:.08em;color:var(--ink-soft)}.footer-qr-url{font:10.5px var(--mono);letter-spacing:.18em;color:var(--muted)}.icp-link{opacity:.8}.icp-link:hover{opacity:1}.reveal{opacity:0;transition:opacity .7s,transform .7s cubic-bezier(.22,.61,.36,1);transform:translateY(20px)}.reveal.is-visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.18s}.reveal-delay-3{transition-delay:.26s}@media (width<=800px){.site-header{padding:13px 5vw}.brand{width:140px}.menu-toggle{z-index:2;display:block;position:relative}.site-nav{background:var(--paper);width:100%;height:100svh;font-size:24px;font-family:var(--serif);border-bottom:1px solid var(--line-strong);flex-direction:column;align-items:flex-start;gap:24px;padding:92px 8vw 40px;transition:transform .4s cubic-bezier(.77,0,.18,1);position:absolute;top:0;right:0;transform:translateY(-100%)}.site-header.is-open .site-nav{transform:translateY(0)}.site-header.is-open .brand{z-index:2;position:relative}.language-switch{margin-top:12px;font-size:13px}.hero{padding:56px 0 64px}.hero-layout{display:block}.hero-title{font-size:clamp(34px,9.5vw,46px)}.hero-title-line{white-space:normal}.hero-subtitle{font-size:15px}.hero-copy{font-size:14px}.hero-actions{gap:18px 26px}.hero-badges{margin-top:18px}.hero-figure{margin-top:44px}.plates,.catalog,.custom,.about,.faq{padding:64px 0 72px}.plate-list{grid-template-columns:1fr;gap:24px;margin-top:28px}.plate-image{padding:12px}.plate-info{padding:20px 20px 24px}.catalog-grid{grid-template-columns:repeat(2,1fr);gap:14px}.catalog-item-wide{grid-column:span 2}.custom-row{grid-template-columns:1fr;gap:10px;padding:22px 0}.about-layout{display:block}.about-layout h2{margin-bottom:20px}.contact{padding:72px 0 26px}.contact-links{flex-direction:column;align-items:flex-start;gap:18px}.footer-guides{margin-top:48px}.site-footer{flex-wrap:wrap;margin-top:18px}.footer-qr{margin-top:20px}.footer-qr img{width:66px;height:66px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}

/* ============ 企业宣传视频定制专区 · film ============ */
.film{padding:88px 0 96px}
.film-intro{color:var(--ink-soft);margin:22px 0 0;font-size:14px;line-height:1.9}

/* 价格双卡 */
.film-prices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:34px}
.film-price{border:1px solid var(--line);border-radius:10px;background:#fff;padding:26px 26px 28px;position:relative;transition:border-color .2s}
.film-price:hover{border-color:var(--line-strong)}
.film-price.is-featured{border-color:var(--ink)}
.film-price-tag{font:10.5px var(--mono);letter-spacing:.14em;color:var(--muted)}
.film-price.is-featured .film-price-tag{color:var(--cinnabar)}
.film-price-num{align-items:baseline;gap:3px;margin:14px 0 12px;display:flex}
.film-price-num em{font-family:var(--serif);color:var(--ink-soft);font-size:20px;font-style:normal}
.film-price-num b{font-family:var(--mono);letter-spacing:-.02em;font-size:52px;font-weight:500;line-height:1}
.film-price.is-featured .film-price-num b{color:var(--cinnabar)}
.film-price-num span{color:var(--muted);font-size:13px}
.film-price p{color:var(--ink-soft);margin:0;font-size:13px;line-height:1.85}
.film-price-add{display:inline-block;margin-top:12px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink-soft);padding:4px 11px;font:10.5px var(--mono);letter-spacing:.04em}

/* 报价计算器 */
.film-calc{border:1px solid var(--line-strong);border-radius:10px;background:#fff;margin-top:22px}
.film-calc-head{justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding:14px 24px;display:flex}
.film-calc-label{font:10px var(--mono);letter-spacing:.16em;color:var(--muted)}
.film-calc-modes{border:1px solid var(--line);border-radius:6px;background:var(--paper);gap:0;padding:2px;display:flex}
.film-calc-modes button{appearance:none;border:0;background:transparent;cursor:pointer;border-radius:4px;color:var(--ink-soft);padding:7px 15px;font:12.5px var(--sans);transition:background .18s,color .18s}
.film-calc-modes button.is-on{background:var(--ink);color:#fff}
.film-calc-body{display:grid;align-items:stretch;grid-template-columns:1.35fr .9fr;gap:0}
.film-calc-left{padding:24px;border-right:1px solid var(--line)}
.film-calc-left>label{justify-content:space-between;align-items:baseline;color:var(--ink-soft);font-size:13px;display:flex}
.film-calc-left>label b{color:var(--ink);font:600 26px var(--mono)}
.film-calc-left>label b em{color:var(--muted);font-size:12px;font-style:normal;margin-left:3px}

.film-range{-webkit-appearance:none;appearance:none;background:transparent;width:100%;margin:16px 0 0;display:block}
.film-range::-webkit-slider-runnable-track{background:var(--line);border-radius:2px;height:3px}
.film-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--cinnabar);border:3px solid #fff;box-shadow:0 0 0 1px var(--cinnabar);cursor:pointer;width:18px;height:18px;margin-top:-8px;border-radius:50%}
.film-range::-moz-range-track{background:var(--line);border-radius:2px;height:3px}
.film-range::-moz-range-thumb{background:var(--cinnabar);border:3px solid #fff;box-shadow:0 0 0 1px var(--cinnabar);cursor:pointer;width:13px;height:13px;border-radius:50%}

.film-presets{gap:8px;margin-top:16px;display:flex}
.film-presets button{appearance:none;border:1px solid var(--line);background:var(--paper);cursor:pointer;border-radius:4px;color:var(--ink-soft);padding:6px 12px;font:11.5px var(--mono);transition:border-color .18s,color .18s}
.film-presets button:hover{border-color:var(--ink);color:var(--ink)}
.film-presets button.is-on{border-color:var(--cinnabar);background:#fff;color:var(--cinnabar);font-weight:600}

.film-calc-right{display:flex;background:var(--paper);padding:24px;justify-content:center;flex-direction:column}
.film-calc-total{align-items:baseline;gap:4px;display:flex}
.film-calc-total em{font-family:var(--serif);color:var(--ink-soft);font-size:18px;font-style:normal}
.film-calc-total b{color:var(--cinnabar);font:500 44px var(--mono);letter-spacing:-.02em;line-height:1}
.film-calc-note{color:var(--muted);margin:12px 0 0;font:11.5px/1.7 var(--mono)}
.film-calc-lead{color:var(--ink-soft);margin:14px 0 0;font-size:12px;line-height:1.8}

/* 流程时间线 */
.film-flow{grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:40px;border-top:1px solid var(--line-strong);display:grid}
.film-step{border-right:1px solid var(--line);padding:22px 20px 24px;position:relative}
.film-step:last-child{border-right:0}
.film-step::before{background:var(--cinnabar);border-radius:50%;content:"";top:-4px;left:20px;width:7px;height:7px;position:absolute}
.film-step-no{color:var(--muted);font:10px var(--mono);letter-spacing:.12em}
.film-step h4{font-family:var(--serif);margin:12px 0 8px;font-size:16px;font-weight:600}
.film-step p{color:var(--ink-soft);margin:0;font-size:12.5px;line-height:1.85}

/* 包含 + 场景 */
.film-grid2{align-items:start;grid-template-columns:1fr 1fr;gap:44px;margin-top:46px;display:grid}
.film-subtitle{justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:12px;display:flex}
.film-subtitle h3{font-family:var(--serif);margin:0;font-size:19px;font-weight:600}
.film-subtitle span{font:10px var(--mono);letter-spacing:.14em;color:var(--muted)}
.film-chips{flex-wrap:wrap;gap:9px;margin-top:20px;display:flex}
.film-chips li{border:1px solid var(--line);border-radius:999px;background:#fff;list-style:none;padding:7px 14px;color:var(--ink-soft);font-size:12.5px}
.film-chips li::marker{content:none}
.film-notes{margin:20px 0 0;padding:0;list-style:none}
.film-notes li{color:var(--ink-soft);font-size:12.5px;line-height:1.95;padding-left:16px;position:relative}
.film-notes li::before{background:var(--cinnabar);border-radius:50%;content:"";top:9px;left:0;width:5px;height:5px;position:absolute}
.film-notes li b{color:var(--ink);font-weight:600}

/* CTA */
.film-cta{border:1px solid var(--line);border-radius:10px;background:var(--paper);align-items:center;justify-content:space-between;gap:24px;margin-top:40px;padding:26px 28px;display:flex}
.film-cta h3{font-family:var(--serif);margin:0 0 6px;font-size:20px;font-weight:600}
.film-cta p{color:var(--ink-soft);margin:0;font-size:13px;line-height:1.8}
.film-cta-links{align-items:center;flex-wrap:wrap;gap:10px;display:flex}
.film-cta-links a{border-bottom:1px solid var(--ink);align-items:center;gap:5px;padding-bottom:3px;font-size:13px;white-space:nowrap;display:inline-flex}
.film-cta-links a:hover{opacity:.65}
.film-cta-links .film-cta-buy{color:#fff;background:var(--cinnabar);border-bottom:0;border-radius:4px;padding:10px 18px}
.film-cta-links .film-cta-buy:hover{opacity:.88}

@media (width<=900px){
  .film-prices{grid-template-columns:1fr}
  .film-flow{grid-template-columns:1fr 1fr}
  .film-step{border-bottom:1px solid var(--line)}
  .film-step:nth-child(2n){border-right:0}
  .film-grid2{grid-template-columns:1fr;gap:32px}
}
@media (width<=800px){
  .film{padding:64px 0 72px}
  .film-calc-body{grid-template-columns:1fr}
  .film-calc-left{border-right:0;border-bottom:1px solid var(--line)}
  .film-flow{grid-template-columns:1fr}
  .film-step{border-right:0}
  .film-calc-head{flex-direction:column;align-items:flex-start}
  .film-cta{flex-direction:column;align-items:flex-start}
  .film-price-num b{font-size:44px}
}/* ============ 视频专区：主推大卡（品牌片 / 产品小剧场） ============ */
.video-lead{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.video-lead-card,.video-lead-card.is-flip{border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;grid-template-columns:238px 1fr;gap:24px;padding:18px;display:grid;transition:border-color .2s}
.video-lead-card:hover{border-color:var(--line-strong)}
.video-lead-card.is-flip .video-lead-media{order:0}
.video-lead-media video{border:1px solid var(--line);border-radius:8px;background:#000;width:100%;height:auto;display:block}
.video-lead-kicker{font:10px var(--mono);letter-spacing:.16em;color:var(--cinnabar)}
.video-lead-body h3{font-family:var(--serif);margin:10px 0 9px;word-break:keep-all;overflow-wrap:break-word;font-size:clamp(16px,1.6vw,19px);font-weight:600;line-height:1.45}
.video-lead-body p{color:var(--ink-soft);margin:0;font-size:12.5px;line-height:1.88}
.video-lead-meta{flex-wrap:wrap;gap:7px;margin-top:14px;display:flex}
.video-lead-meta span{border:1px solid var(--line);border-radius:999px;background:var(--paper);padding:4px 10px;font:10.5px var(--mono);color:var(--ink-soft);white-space:nowrap}
.video-section .video-grid{margin-top:22px}

@media (width<=980px){
  .video-lead{grid-template-columns:1fr}
  .video-lead-card,.video-lead-card.is-flip{grid-template-columns:240px 1fr;gap:22px;padding:18px}
}
@media (width<=720px){
  .video-lead-grid,.video-lead-card,.video-lead-card.is-flip{grid-template-columns:1fr;gap:16px}
  .video-lead-media{max-width:250px;margin:0 auto}
  .video-lead{margin-top:26px;gap:16px}
}
