:root{--bg: #FBF9F6;--bg-deep: #F3F0EB;--surface: #FFFFFF;--text: #24221F;--text-secondary: #716D67;--text-tertiary: #9B958E;--border: #E7E2DB;--accent: #E7795F;--accent-strong: #C85C46;--accent-soft: #FCE5DD;--stage: #EAE5DE;--shadow: 0 18px 48px rgba(36, 34, 31, .08);--radius: 18px;--nav-h: 72px;--font: "Figtree", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--ease: cubic-bezier(.22, 1, .36, 1);--phone-radius: 15.8% / 7.27%;--phone-bezel: #E8E3DC}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%}.site{overflow-x:clip;overflow-y:visible}.boot-fallback{margin:48px auto;text-align:center;color:var(--text-secondary)}.nav{position:sticky;top:0;z-index:40;height:var(--nav-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 clamp(20px,5vw,56px);background:#fbf9f6d1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .35s var(--ease),height .35s var(--ease),background .35s var(--ease)}.nav.is-scrolled{height:64px;border-bottom-color:var(--border);background:#fbf9f6f0}.nav-brand{display:inline-flex;align-items:center;gap:12px;justify-self:start;font-weight:700;letter-spacing:.28em;font-size:15px}.nav-mark{width:34px;height:34px;border-radius:9px;background:#fca78a;overflow:hidden;box-shadow:0 6px 16px #c9856a38}.nav-mark img{width:100%;height:100%;object-fit:cover}.nav-links{display:flex;align-items:center;justify-self:center;gap:clamp(16px,3vw,36px)}.nav-links a{color:var(--text-secondary);font-size:14px;font-weight:500;transition:color .2s var(--ease)}.nav-links a:hover{color:var(--text)}.nav-actions{display:flex;align-items:center;justify-self:end;gap:12px}.btn{appearance:none;border:0;cursor:pointer;border-radius:999px;padding:11px 20px;font-size:14px;font-weight:600;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}.btn:active{transform:scale(.97)}.btn-ghost{background:transparent;color:var(--text)}.btn-ghost:hover{background:#24221f0d}.btn-primary{background:var(--text);color:#fff}.btn-primary:hover{background:#111}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-strong)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.user-chip{border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:500}.hero{position:relative;min-height:calc(100vh - var(--nav-h));display:grid;place-items:center;padding:clamp(48px,10vh,96px) clamp(20px,5vw,56px) 80px;isolation:isolate}.hero-glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 50% at 70% 18%,rgba(252,229,221,.95),transparent 70%),radial-gradient(45% 40% at 18% 78%,rgba(234,229,222,.9),transparent 68%),linear-gradient(180deg,#fbf9f6,#f6f2ec)}.hero-inner{width:min(920px,100%);text-align:center}.hero-mark{width:96px;height:96px;margin:0 auto 28px;border-radius:22px;background:#fca78a;overflow:hidden;box-shadow:var(--shadow);opacity:0;transform:translateY(18px);animation:rise .9s var(--ease) .05s forwards}.hero-mark img{width:100%;height:100%;object-fit:cover}.hero-name{margin:0;font-size:clamp(48px,8vw,84px);font-weight:700;letter-spacing:.22em;line-height:1.05;opacity:0;transform:translateY(18px);animation:rise .9s var(--ease) .12s forwards}.hero-tag{margin:22px 0 0;font-size:clamp(18px,2.4vw,24px);font-weight:500;letter-spacing:.18em;color:var(--text-secondary);opacity:0;transform:translateY(18px);animation:rise .9s var(--ease) .2s forwards}.hero-lead{margin:20px auto 0;max-width:40em;font-size:16px;line-height:1.7;color:var(--text-secondary);opacity:0;transform:translateY(18px);animation:rise .9s var(--ease) .28s forwards}.hero-cta{margin-top:36px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;opacity:0;transform:translateY(18px);animation:rise .9s var(--ease) .36s forwards}.hero-film{position:relative;margin:0;width:100%;aspect-ratio:16 / 9;border-radius:22px;overflow:hidden;background:var(--bg-deep);box-shadow:var(--shadow);cursor:pointer;outline:none}.hero-film:focus-within,.hero-film:hover{box-shadow:0 22px 50px #24221f24}.hero-film-video{display:block;width:100%;height:100%;object-fit:cover;background:var(--bg-deep)}.hero-film-hint{position:absolute;left:14px;bottom:14px;margin:0;padding:6px 10px;border-radius:999px;background:#1515147a;color:#fff;font-size:11px;font-weight:600;letter-spacing:.04em;pointer-events:none}@keyframes rise{to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.hero-mark,.hero-name,.hero-tag,.hero-lead,.hero-cta{opacity:1;transform:none;animation:none}}.film-section{height:calc(100dvh - var(--nav-h));min-height:calc(100dvh - var(--nav-h));max-height:calc(100dvh - var(--nav-h));display:grid;align-items:center;justify-items:center;scroll-margin-top:var(--nav-h);box-sizing:border-box;overflow:hidden}.film-section.section{padding-top:0;padding-bottom:0}.film-section .section-inner{width:min(1080px,100%);margin:0 auto;height:85%;min-height:80%;max-height:90%}.film-page{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:clamp(18px,2.4vh,28px);height:100%;min-height:0}.film-heading{text-align:left;flex:0 0 auto}.film-heading .section-kicker{margin-bottom:8px}.film-heading .section-title{font-size:clamp(28px,3.2vw,36px);line-height:1.18;white-space:nowrap}.film-heading .section-desc{margin-top:10px;max-width:36em;font-size:15px;line-height:1.65}.film-stage{display:grid;grid-template-columns:minmax(200px,252px) minmax(0,1fr);align-items:stretch;gap:clamp(16px,2.4vw,28px);flex:1;min-height:0}.film-points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;grid-template-rows:repeat(4,minmax(0,1fr));gap:8px;min-height:0;height:100%}.film-points li{display:flex;flex-direction:column;justify-content:center;gap:5px;padding:12px 14px;border-radius:14px;background:var(--surface);border:1px solid var(--border)}.film-points strong{font-size:14px;font-weight:700}.film-points span{color:var(--text-secondary);font-size:12.5px;line-height:1.5}.film-page .hero-film{width:100%;height:100%;aspect-ratio:auto;align-self:stretch}.film-page .hero-film-video{width:100%;height:100%;object-fit:contain;object-position:center}.section{padding:clamp(72px,12vh,120px) clamp(20px,5vw,56px);scroll-margin-top:var(--nav-h)}.section-inner{width:min(1080px,100%);margin:0 auto}.section-kicker{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-strong)}.section-title{margin:0;font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.02em;line-height:1.15}.section-desc{margin:14px 0 0;max-width:36em;color:var(--text-secondary);font-size:16px;line-height:1.7}.features{margin-top:48px;display:flex;flex-direction:column;gap:28px}.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,452px);gap:clamp(20px,4vw,40px);align-items:start;padding:22px 22px 28px;border-top:1px solid var(--border)}.feature-pair{grid-template-columns:minmax(0,1fr) minmax(220px,452px)}@media(prefers-reduced-motion:no-preference){.feature:not(.is-in){opacity:0;transform:translateY(16px)}.feature{transition:opacity .7s var(--ease),transform .7s var(--ease)}.feature.is-in{opacity:1;transform:none}}.feature-featured{padding:28px 22px 32px;margin:0;border:1px solid rgba(231,121,95,.28);border-radius:24px;background:linear-gradient(135deg,#fce5dd73,#fbf9f633)}.feature-badge{display:inline-block;margin-bottom:10px;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:12px;font-weight:700;letter-spacing:.08em}.feature h3{margin:0 0 10px;font-size:clamp(22px,2.4vw,28px);font-weight:700}.feature p{margin:0;color:var(--text-secondary);line-height:1.7;font-size:15px}.feature-diff{margin-top:12px!important;color:var(--text)!important;font-size:14px!important;font-weight:500}.feature-media-row{display:flex;align-items:stretch;justify-content:flex-start;gap:12px;min-width:0}.feature-media-row .feature-media{flex:1 1 0;width:min(48%,220px);max-width:220px;max-height:none}.feature-media{position:relative;width:min(100%,220px);aspect-ratio:760 / 1650;border-radius:var(--phone-radius);overflow:hidden;background:transparent;box-shadow:var(--shadow);outline:none;justify-self:start;cursor:pointer;clip-path:inset(0 round var(--phone-radius))}.feature-media:after{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;pointer-events:none;box-shadow:inset 0 0 0 1.5px var(--phone-bezel),inset 0 0 0 2.5px var(--bg)}.feature-media:focus-within,.feature-media:hover{box-shadow:0 22px 50px #24221f24}.feature-poster,.feature-clip{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:left center}.feature-clip{opacity:0;transition:opacity .25s var(--ease)}.feature-media.is-playing .feature-clip{opacity:1}.feature-media.is-playing .feature-poster{opacity:0}.feature-hint{position:absolute;left:12px;bottom:12px;z-index:4;padding:6px 10px;border-radius:999px;background:#1515148c;color:#fff;font-size:11px;font-weight:600;letter-spacing:.04em;pointer-events:none;transition:opacity .2s var(--ease)}.feature-media.is-playing .feature-hint{opacity:0}.download-panel{margin-top:40px;display:grid;grid-template-columns:1.05fr 1.15fr;gap:28px;align-items:stretch}.download-copy{padding:8px 0}.download-meta{margin-top:18px;color:var(--text-tertiary);font-size:13px;line-height:1.6}.download-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}.download-note{margin-top:14px;color:var(--text-secondary);font-size:14px;line-height:1.6}.download-visual{min-height:320px;border-radius:28px;background:linear-gradient(145deg,#fce5ddf2,#eae5de8c),var(--stage);display:grid;place-items:center;padding:clamp(24px,4vw,40px)}.phone-pair{display:flex;align-items:stretch;justify-content:center;gap:clamp(14px,2.5vw,24px);width:100%}.phone-shot,.phone-shot-main{margin:0;width:min(46%,220px);text-align:center}.phone-shot img{width:100%;aspect-ratio:1206 / 2622;object-fit:contain;object-position:center center;border-radius:22px;background:var(--bg);box-shadow:var(--shadow)}.phone-shot figcaption{margin-top:10px;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--text-secondary)}.footer{padding:40px clamp(20px,5vw,56px) 56px;border-top:1px solid var(--border);color:var(--text-tertiary);font-size:13px;line-height:1.7}.footer-inner{width:min(1080px,100%);margin:0 auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-phone{color:inherit;font-weight:inherit}.footer-phone:hover{color:inherit}.back-top{position:fixed;right:22px;bottom:22px;z-index:50;width:46px;height:46px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);cursor:pointer;font-size:20px;line-height:1}.back-top[hidden]{display:none}.back-top:hover{background:var(--accent-soft)}.modal-root[hidden]{display:none}.modal-root{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px}.modal-backdrop{position:absolute;inset:0;background:#1c1a185c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{position:relative;width:min(420px,100%);background:var(--surface);border-radius:24px;box-shadow:var(--shadow);padding:28px 28px 24px;border:1px solid var(--border)}.modal h2{margin:0;font-size:24px;font-weight:700}.modal p{margin:8px 0 0;color:var(--text-secondary);font-size:14px;line-height:1.6}.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border:0;border-radius:999px;background:transparent;color:var(--text-secondary);cursor:pointer;font-size:20px}.modal-close:hover{background:#24221f0d}.field{margin-top:18px}.field label{display:block;margin-bottom:8px;font-size:13px;font-weight:600;color:var(--text-secondary)}.field input{width:100%;border:1px solid var(--border);border-radius:14px;padding:14px 16px;background:var(--bg);color:var(--text);outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.field input:focus{border-color:#e7795f8c;box-shadow:0 0 0 4px #e7795f1f}.code-row{display:grid;grid-template-columns:1fr auto;gap:10px}.code-hint{margin:10px 0 0;min-height:1.4em;color:var(--text-secondary);font-size:13px;letter-spacing:.04em;-webkit-user-select:text;user-select:text}.code-hint.is-code{color:var(--accent-strong);font-weight:600;font-variant-numeric:tabular-nums}.form-error{min-height:1.4em;margin-top:12px;color:#c95b5b;font-size:13px}.form-actions{margin-top:18px;display:flex;gap:10px;justify-content:flex-end}@media(max-width:820px){.nav{grid-template-columns:1fr auto}.nav-links{display:none}.film-page{gap:16px;height:auto}.film-section{height:auto;min-height:calc(100dvh - var(--nav-h));max-height:none;overflow:visible}.film-section.section{padding-top:28px;padding-bottom:28px}.film-section .section-inner{height:auto;min-height:0;max-height:none}.film-stage{grid-template-columns:1fr;grid-template-rows:auto auto}.film-points{grid-template-rows:none;height:auto}.film-points li{padding:10px 12px}.film-page .hero-film{height:auto;aspect-ratio:16 / 9}.clip-preview-dialog.is-film{width:min(100%,calc(100vw - 24px))}.feature,.feature-pair,.download-panel{grid-template-columns:1fr}.feature-media{max-width:220px;margin:0;justify-self:start}.feature-media-row{justify-content:flex-start}.feature-media-row .feature-media{max-width:170px;margin:0}.hero-name{letter-spacing:.16em}}body.clip-preview-open{overflow:hidden}.clip-preview[hidden]{display:none}.clip-preview{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px}.clip-preview.is-overlay{padding:16px 12px;background:#111}.clip-preview.is-overlay .clip-preview-backdrop{background:#111;-webkit-backdrop-filter:none;backdrop-filter:none}.clip-preview:fullscreen,.clip-preview:-webkit-full-screen{width:100%;height:100%;padding:28px 20px;background:#111}.clip-preview-backdrop{position:absolute;inset:0;background:#1515149e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.clip-preview-dialog{position:relative;z-index:1;width:min(420px,calc(100vw - 32px),calc((100vh - 96px) * 760 / 1650));display:flex;flex-direction:column;gap:12px}.clip-preview-dialog.is-film{width:min(1680px,calc(100vw - 48px))}.clip-preview-head{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#fff}.clip-preview-title{margin:0;font-size:15px;font-weight:600}.clip-preview-close{appearance:none;border:0;width:36px;height:36px;border-radius:999px;background:#ffffff24;color:#fff;font-size:22px;line-height:1;cursor:pointer}.clip-player{position:relative;overflow:hidden;border-radius:var(--phone-radius);background:transparent;box-shadow:0 24px 60px #00000047;aspect-ratio:760 / 1650;max-height:calc(100vh - 96px);clip-path:inset(0 round var(--phone-radius))}.clip-player:not(.is-film):after{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;pointer-events:none;box-shadow:inset 0 0 0 1.5px var(--phone-bezel),inset 0 0 0 2.5px var(--bg)}.clip-player.is-film{border-radius:18px;background:#111;aspect-ratio:16 / 9;clip-path:none}.clip-player-video{display:block;width:100%;height:100%;object-fit:contain;object-position:left center;background:transparent}.clip-player-video::-webkit-media-controls,.clip-player-video::-webkit-media-controls-enclosure,.clip-player-video::-webkit-media-controls-start-playback-button{display:none!important}.clip-player-freeze{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:contain;object-position:center;pointer-events:none;background:#111;opacity:1;transition:opacity .45s ease}.clip-player-freeze.is-out{opacity:0}.clip-player-freeze[hidden]{display:none!important}.clip-player:not(.is-film) .clip-player-freeze{object-position:left center}.clip-player.is-film .clip-player-video{object-position:center center}.clip-player-bigplay{position:absolute;inset:0;z-index:4;margin:auto;width:64px;height:64px;border:0;border-radius:999px;background:#fbf9f6eb;color:#24221f;cursor:pointer;box-shadow:var(--shadow)}.clip-player-bigplay:before{content:"▶";font-size:22px;margin-left:3px}.clip-player.is-playing .clip-player-bigplay,.clip-player.is-holding .clip-player-bigplay{display:none}.clip-player-bar{position:absolute;left:0;right:0;bottom:0;z-index:4;display:flex;align-items:center;gap:10px;padding:12px 14px 14px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.62));color:#fff}.clip-player-toggle{appearance:none;border:0;background:transparent;color:#fff;font-size:14px;cursor:pointer;width:28px}.clip-player-seek{flex:1;accent-color:#E7795F}.clip-player-time{font-size:11px;font-variant-numeric:tabular-nums;opacity:.9;min-width:7.5em;text-align:right}