/* 91 · 原创影像杂志设计系统 */
:root {
  --paper: #f7f7fb;
  --white: #fff;
  --ink: #252137;
  --muted: #827d91;
  --purple: #7050cb;
  --purple-dark: #4e328f;
  --lilac: #efebfa;
  --peach: #ffb895;
  --line: #eae7f0;
  --radius: 18px;
  --ease: cubic-bezier(.23,1,.32,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 98px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif; font-size: 14px; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
button,input,select,textarea { font: inherit; }
button,a,input,select,textarea,summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button { color: inherit; }
button:active,.btn:active { transform: scale(.975); }
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible { outline: 3px solid #ab8dec; outline-offset: 4px; }
button:disabled { cursor: not-allowed; opacity: .55; }
img { display: block; max-width: 100%; }
img[loading="lazy"] { content-visibility: auto; }
svg { display: inline-block; vertical-align: middle; flex-shrink: 0; }
h1,h2,h3,h4,h5,h6,p { margin: 0; }
h2 { font-size: 27px; letter-spacing: -.8px; line-height: 1.4; }
h3 { font-size: 17px; line-height: 1.6; }
h4 { font-size: 15px; }
h5,h6 { font-size: 13px; }
::selection { background: #dcd0f6; }
[hidden] { display: none !important; }
.container { width: min(1240px,calc(100% - 72px)); margin-inline: auto; }
.content-status { display: flex; align-items: center; gap: 9px 19px; flex-wrap: wrap; margin: 2px 0 17px; padding: 8px 12px; color: #81738d; background: #fff; border: 1px solid var(--line); border-radius: 9px; font-size: 10px; line-height: 1.5; }
.content-status b { color: #685673; font-weight: 650; }
.content-status a { color: var(--purple); font-weight: 600; margin-left: auto; }
.skip-link { position: fixed; left: 10px; top: -90px; z-index: 200; padding: 10px 20px; background: white; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { width: 43px; height: 43px; border-radius: 12px; }
.brand-name { display: block; font-size: 25px; font-weight: 850; letter-spacing: -1.2px; line-height: 1.2; }
.brand-name em { color: var(--purple); font-style: normal; }
.brand-sub { display: block; font-size: 10px; letter-spacing: 3px; color: var(--muted); margin-top: 4px; }
.main-nav { display: flex; align-items: center; gap: 27px; }
.main-nav a { position: relative; padding: 29px 0; font-size: 13px; white-space: nowrap; font-weight: 550; }
.main-nav a.active { color: var(--purple); }
.main-nav a.active:after { content: ""; position: absolute; bottom: 17px; width: 16px; height: 3px; border-radius: 3px; background: var(--purple); left: calc(50% - 8px); }
.main-nav a:hover { color: var(--purple); }
.nav-brand { display: block; font-size: 9px; line-height: 1.2; font-weight: 400; color: #898296; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: 10px; padding: 11px 20px; background: var(--purple); color: white; font-weight: 600; font-size: 13px; transition: background .18s,transform .16s var(--ease); }
.btn:hover { background: var(--purple-dark); }
.btn-light { background: white; color: var(--purple); border-color: var(--line); }
.btn-light:hover { background: var(--lilac); }
.btn-dark { background: #29223b; color: white; }
.btn-peach { background: var(--peach); color: #35233c; }
.btn-peach:hover { background: #ffd0b6; }
.btn-small { padding: 8px 14px; font-size: 12px; }
.icon-btn { background: transparent; border: 1px solid var(--line); width: 37px; height: 37px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.icon-btn:hover { color: var(--purple); border-color: var(--purple); }
.menu-toggle { display: none; }
.search-band { padding: 21px 0 20px; }
.search-layout { display: flex; gap: 24px; align-items: center; }
.search-form { display: flex; align-items: center; gap: 11px; background: white; border: 1px solid var(--line); padding: 6px 7px 6px 18px; border-radius: 12px; flex: 1; }
.search-form svg { color: var(--purple); }
.search-form input { background: none; border: none; outline: none; min-width: 0; width: 100%; padding: 6px 0; font-size: 12px; color: var(--ink); }
.search-form input::placeholder { color: #938d9f; }
.search-form button { white-space: nowrap; }
.hot-tags { display: flex; gap: 14px; align-items: center; font-size: 11px; color: var(--muted); }
.hot-tags a:hover { color: var(--purple); }
.bullet { width: 6px; height: 6px; display: inline-block; background: #8f70d5; border-radius: 50%; }
.hero-grid { display: grid; grid-template-columns: 1fr 280px; gap: 20px; }
.hero { position: relative; min-height: 422px; border-radius: 21px; overflow: hidden; color: white; background: #211c37; }
.hero>img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero:after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(23,18,42,.93) 0%,rgba(23,18,42,.63) 43%,rgba(23,18,42,.03) 77%); }
.hero-content { position: relative; z-index: 1; padding: 43px 39px 36px; width: 69%; }
.overline { display: flex; align-items: center; gap: 9px; text-transform: uppercase; font-size: 11px; font-weight: 550; letter-spacing: 1.5px; margin-bottom: 18px; }
.hero .overline { color: #ded0f6; }
.hero h1 { font-size: clamp(31px,3.1vw,46px); line-height: 1.35; font-weight: 750; letter-spacing: 1px; }
.hero h1 .h1-brand { display: block; font-size: 12px; letter-spacing: 2px; color: #ffcab0; font-weight: 500; margin-bottom: 12px; }
.hero h1 strong { color: #ffd2bd; font-weight: inherit; }
.hero p { color: #ddd5e9; font-size: 12px; line-height: 1.9; max-width: 330px; margin-top: 19px; }
.hero-cta { display: flex; gap: 12px; margin-top: 27px; }
.hero-note { font-size: 10px; margin-top: 24px; color: #c4b6d1; }
.hero-controls { position: absolute; z-index: 2; bottom: 28px; right: 25px; display: flex; gap: 5px; align-items: center; font-size: 10px; color: #d3c4e6; }
.hero-controls i { width: 15px; height: 3px; background: #887894; border-radius: 10px; }
.hero-controls i:first-child { width: 31px; background: #ffd2bd; }
.editorial-side { display: flex; flex-direction: column; gap: 17px; }
.side-note { background: #ede7fa; border-radius: 18px; padding: 23px 22px; flex: 1; position: relative; overflow: hidden; }
.side-note:after { content: "✳"; position: absolute; right: 13px; top: 0; color: #d1c1ef; font-size: 84px; line-height: 1; transform: rotate(10deg); }
.side-note .overline { color: var(--purple); font-size: 10px; position: relative; z-index: 1; margin-bottom: 10px; }
.side-note h2 { font-size: 22px; position: relative; z-index: 1; }
.side-note p { color: #82748f; font-size: 11px; margin-top: 8px; }
.text-link { color: var(--purple); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.side-note .text-link { margin-top: 18px; }
.mini-feature { position: relative; min-height: 180px; border-radius: 18px; overflow: hidden; background: #3a304d; }
.mini-feature>img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.mini-feature:after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(22,15,36,.85),transparent); }
.mini-feature-content { position: absolute; z-index: 1; bottom: 18px; left: 20px; right: 20px; color: white; }
.mini-feature-content small { font-size: 9px; color: #e2cef1; }
.mini-feature-content h3 { font-size: 17px; }
.category-ribbon { display: grid; grid-template-columns: repeat(4,1fr); background: white; border-radius: 15px; padding: 21px 0; margin-top: 20px; border: 1px solid var(--line); }
.category-link { display: flex; align-items: center; justify-content: center; gap: 13px; border-right: 1px solid var(--line); }
.category-link:last-child { border: 0; }
.category-icon { width: 41px; height: 41px; border-radius: 12px; display: grid; place-items: center; background: #f0ebfa; color: var(--purple); }
.category-link:nth-child(2) .category-icon { background: #fff0e6; color: #ba865f; }
.category-link:nth-child(3) .category-icon { background: #faedf2; color: #bc7093; }
.category-link:nth-child(4) .category-icon { background: #eaf1f0; color: #5c9488; }
.category-link strong { font-size: 13px; display: block; }
.category-link small { color: var(--muted); font-size: 10px; }
.section { margin-top: 55px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; margin-bottom: 23px; }
.section-label { color: var(--purple); font-size: 10px; letter-spacing: 2px; display: block; margin-bottom: 6px; }
.section-head p { font-size: 12px; margin-top: 9px; color: var(--muted); }
.section-head .text-link { white-space: nowrap; }
.section-title-line { display: flex; align-items: center; gap: 11px; }
.pill { display: inline-flex; border-radius: 5px; padding: 2px 7px; font-size: 9px; line-height: 1.7; background: #f1ebfc; color: var(--purple); font-weight: 500; }
.pill-peach { background: #fff0e6; color: #a76845; }
.filter-row { display: flex; align-items: center; gap: 10px; margin-bottom: 25px; flex-wrap: wrap; }
.filter { padding: 7px 17px; border-radius: 8px; border: 1px solid var(--line); background: white; font-size: 12px; color: #81798e; }
.filter.active { background: var(--purple); color: white; border-color: var(--purple); }
.filter-caption { margin-left: auto; font-size: 10px; color: var(--muted); }
.video-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 27px 20px; }
.video-card { min-width: 0; }
.video-cover { display: block; position: relative; overflow: hidden; border-radius: 13px; aspect-ratio: 16/10; background: #d6cede; }
.video-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.video-cover:after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(0deg,rgba(20,10,30,.55),transparent); }
.video-card:hover .video-cover img { transform: scale(1.035); }
.cover-tag { position: absolute; top: 10px; left: 10px; z-index: 1; color: white; font-size: 9px; padding: 2px 7px; background: rgba(31,23,51,.5); backdrop-filter: blur(8px); border-radius: 5px; }
.cover-duration { position: absolute; bottom: 10px; right: 10px; z-index: 1; color: white; font-size: 10px; font-variant-numeric: tabular-nums; }
.cover-play { position: absolute; z-index: 1; bottom: 10px; left: 11px; color: white; font-size: 10px; display: flex; gap: 5px; align-items: center; }
.play-hover { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.91); color: var(--purple); display: grid; place-items: center; position: absolute; z-index: 2; left: calc(50% - 22px); top: calc(50% - 22px); opacity: 0; transform: scale(.9); transition: opacity .2s,transform .2s var(--ease); }
.video-card:hover .play-hover { opacity: 1; transform: scale(1); }
.video-card h3 { margin-top: 12px; font-size: 14px; line-height: 1.65; }
.card-brand { color: var(--purple); font-size: 10px; display: block; margin-top: 11px; letter-spacing: .3px; }
.video-card .card-brand+h3 { margin-top: 3px; }
.video-desc { color: #8c8596; font-size: 11px; margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 11px; font-size: 10px; color: var(--muted); }
.author { display: flex; align-items: center; gap: 7px; }
.avatar-dot { background: #e9e1f4; color: var(--purple); border-radius: 50%; width: 23px; height: 23px; display: inline-grid; place-items: center; font-size: 10px; }
.save-btn { border: 0; background: none; color: var(--muted); padding: 3px; }
.save-btn.saved { color: var(--purple); }
.stats-note { color: #918697; font-size: 10px; margin-top: 19px; }
.inspiration-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 20px; }
.inspiration-card { min-height: 243px; overflow: hidden; border-radius: 16px; position: relative; background: #392e46; color: white; }
.inspiration-card img { position: absolute; width: 100%; height: 100%; object-fit: cover; }
.inspiration-card:after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(20,13,31,.86),rgba(20,13,31,0) 85%); }
.inspiration-copy { position: absolute; bottom: 23px; left: 23px; right: 18px; z-index: 1; }
.inspiration-copy small { color: #e8d5f5; font-size: 10px; }
.inspiration-copy h3 { margin-top: 4px; font-size: 20px; }
.inspiration-copy p { margin-top: 7px; font-size: 11px; color: #dbd0e5; }
.inspiration-copy .text-link { color: #ffd5be; margin-top: 10px; }
.ai-band { display: grid; grid-template-columns: 1fr 1.45fr; padding: 33px 36px; gap: 40px; background: #ece7f6; border-radius: 20px; border: 1px solid #e5dcf2; }
.ai-copy h2 { font-size: 29px; margin-top: 10px; }
.ai-copy p { color: #83728f; max-width: 320px; font-size: 12px; margin: 13px 0 21px; }
.ai-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ai-tool { background: rgba(255,255,255,.76); border: 1px solid rgba(255,255,255,.9); border-radius: 13px; padding: 17px; display: flex; gap: 12px; }
.ai-tool>svg { color: var(--purple); margin-top: 4px; }
.ai-tool h3 { font-size: 13px; }
.ai-tool p { color: #91859e; font-size: 10px; margin-top: 5px; }
.split-section { display: grid; grid-template-columns: 1.6fr 1fr; gap: 31px; }
.panel { background: white; border: 1px solid var(--line); border-radius: 17px; padding: 27px; }
.topics { display: grid; gap: 0; }
.topic { display: flex; gap: 17px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.topic:last-child { border-bottom: 0; padding-bottom: 0; }
.topic-num { font-size: 24px; color: #cabbe0; font-weight: 650; line-height: 1.4; font-family: Georgia,serif; }
.topic h3 { font-size: 14px; }
.topic p { color: var(--muted); font-size: 11px; margin-top: 5px; }
.topic .tag-line { display: flex; gap: 7px; margin-top: 8px; }
.community-invite { background: #fff0e6; border-color: #f8e2d4; position: relative; overflow: hidden; }
.community-invite h2 { font-size: 26px; }
.community-invite p { color: #947e73; font-size: 12px; margin-top: 11px; }
.orbit { height: 123px; display: flex; align-items: center; justify-content: center; position: relative; gap: 9px; }
.orbit span { width: 47px; height: 47px; border: 3px solid #fff4ec; border-radius: 50%; display: grid; place-items: center; color: #957093; background: #eedde5; font-size: 19px; }
.orbit span:nth-child(2) { width: 65px; height: 65px; background: #d5c7e8; font-size: 28px; transform: translateY(-10px); }
.orbit span:nth-child(3) { background: #e6d8be; transform: translateY(7px); }
.inline-note { font-size: 10px !important; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.service { background: white; border: 1px solid var(--line); padding: 23px; border-radius: 14px; }
.service .service-number { color: #cbbce2; font-size: 13px; font-family: Georgia,serif; }
.service h3 { margin-top: 11px; font-size: 15px; }
.service p { color: var(--muted); font-size: 12px; margin-top: 9px; }
.service small { color: var(--purple); font-size: 10px; display: block; margin-top: 15px; }
.expert-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.expert { border-radius: 16px; background: white; border: 1px solid var(--line); padding: 23px; }
.expert-top { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.expert-avatar { width: 47px; height: 47px; border-radius: 50%; background: #eee7f6; color: #8263b2; display: grid; place-items: center; }
.expert h3 { font-size: 14px; }
.expert p { color: #8f829c; font-size: 11px; }
.expert dl { display: grid; grid-template-columns: 49px 1fr; font-size: 11px; gap: 8px; margin: 0 0 17px; }
.expert dt { color: #a498ad; }
.expert dd { margin: 0; color: #726779; }
.expert-actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid var(--line); padding-top: 15px; }
.expert-actions button { font-size: 11px; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.review { background: white; border: 1px solid var(--line); padding: 23px; border-radius: 15px; }
.review>p { font-size: 12px; color: #7a7087; margin: 16px 0 20px; line-height: 1.95; }
.review-top { display: flex; justify-content: space-between; align-items: center; font-size: 11px; }
.review-foot { display: flex; align-items: center; gap: 10px; font-size: 11px; }
.review-foot small { color: var(--muted); display: block; font-size: 9px; }
.stars { color: #b3a3d0; letter-spacing: 2px; font-size: 11px; }
.partner-wall { display: grid; grid-template-columns: repeat(5,1fr); gap: 15px; padding: 27px; background: white; border: 1px solid var(--line); border-radius: 14px; }
.partner { text-align: center; color: #847692; font-size: 18px; letter-spacing: 3px; font-weight: 600; }
.partner small { display: block; font-size: 9px; color: #aaa0b1; letter-spacing: .5px; font-weight: 400; margin-top: 5px; }
.guide-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.guide-step { padding: 22px; border-radius: 15px; background: white; border: 1px solid var(--line); }
.step-icon { display: flex; justify-content: space-between; color: var(--purple); align-items: center; margin-bottom: 16px; }
.step-icon b { font-size: 28px; color: #d5c8e6; font-family: Georgia,serif; }
.guide-step h3 { font-size: 13px; }
.guide-step p { font-size: 11px; color: var(--muted); margin-top: 9px; }
.faq-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
.faq-intro p { font-size: 12px; color: var(--muted); margin: 15px 0 22px; }
.faq-list { border-top: 1px solid #ded7e8; }
.faq-item { border-bottom: 1px solid #ded7e8; }
.faq-item summary { padding: 18px 31px 18px 0; cursor: pointer; font-size: 13px; font-weight: 600; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; font-size: 22px; position: absolute; right: 4px; top: 11px; color: #a191ba; font-weight: 400; }
.faq-item[open] summary:after { content: "−"; }
.faq-item p { padding: 0 24px 20px 0; font-size: 12px; line-height: 1.9; color: #81748e; }
.contact-band { padding: 33px 38px; background: #2e243f; border-radius: 20px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: white; }
.contact-band h2 { font-size: 26px; }
.contact-band .section-label { color: #c1acd9; }
.contact-band p { font-size: 12px; color: #c4b4d3; margin-top: 11px; }
.contact-band .btn { white-space: nowrap; }
.Pd66Tum { border: 0; background: none; color: var(--muted); font-size: 10px; padding: 5px 0; margin-top: 12px; }
.Pd66Tum:hover { color: var(--purple); }
.site-footer { background: white; border-top: 1px solid var(--line); margin-top: 56px; padding: 39px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.65fr 1fr 1.15fr 1fr; gap: 34px; }
.footer-brand p { font-size: 11px; color: #9a90a5; line-height: 1.9; margin-top: 18px; max-width: 290px; }
.footer-column h3 { font-size: 12px; margin-bottom: 14px; }
.footer-column a,.footer-column p { display: block; font-size: 10px; margin-top: 8px; color: #93899e; overflow-wrap: anywhere; }
.footer-column a:hover { color: var(--purple); }
.qr-row { display: flex; gap: 16px; }
.qr { text-align: center; }
.qr img { width: 80px; height: 80px; padding: 4px; border: 1px solid var(--line); border-radius: 6px; }
.qr small { display: block; font-size: 9px; color: #92859e; margin-top: 7px; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 19px; display: flex; justify-content: space-between; gap: 15px; font-size: 10px; color: #a396ad; }
.footer-notice { font-size: 9px; margin-top: 10px; color: #a497ad; }
.h5hwMAf { margin-top: 18px; display: flex; gap: 16px; align-items: center; font-size: 10px; color: #978a9f; }
.h5hwMAf button { margin: 0; }
.social-row { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 16px; }
.social-row button { background: #f5f2f8; border: 0; border-radius: 5px; padding: 5px 9px; font-size: 10px; color: #8d7e9c; }
.toast { position: fixed; bottom: 26px; left: 50%; transform: translate(-50%,15px); background: #30233f; color: white; padding: 13px 24px; border-radius: 12px; z-index: 150; box-shadow: 0 8px 36px #2410362e; opacity: 0; pointer-events: none; transition: opacity .2s,transform .2s; max-width: calc(100vw - 32px); font-size: 12px; text-align: center; }
.toast.visible { transform: translate(-50%,0); opacity: 1; }
.modal { width: min(680px,calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 19px; padding: 29px; color: var(--ink); max-height: 85vh; overflow: auto; box-shadow: 0 24px 100px #23113340; }
.modal::backdrop { background: rgba(31,22,43,.55); backdrop-filter: blur(5px); }
.modal-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 17px; }
.modal-top h2 { font-size: 20px; }
.modal-content { font-size: 13px; color: #81718f; line-height: 1.9; }
.modal pre,.json-view { background: #f5f0fb; border: 1px solid #e9dff5; padding: 20px; border-radius: 10px; font-size: 11px; line-height: 1.7; color: #6b4e88; white-space: pre-wrap; overflow-wrap: anywhere; }
.modal img { width: 150px; margin: 18px auto; }
.breadcrumb { font-size: 10px; color: #9b8ba5; display: flex; gap: 9px; flex-wrap: wrap; margin: 5px 0 22px; }
.breadcrumb a:hover { color: var(--purple); }
.page-masthead { padding: 32px 38px; border: 1px solid #e3d9f1; border-radius: 18px; background: #ede7f7; margin-bottom: 30px; }
.page-masthead h1 { font-size: 32px; line-height: 1.5; }
.page-masthead p { max-width: 750px; color: #887494; margin-top: 12px; font-size: 13px; }
.page-masthead .section-label { margin-bottom: 9px; }
.prose { font-size: 14px; line-height: 2; color: #76687f; }
.prose h2 { font-size: 23px; margin: 32px 0 16px; color: var(--ink); }
.prose h3 { font-size: 17px; margin: 24px 0 11px; color: var(--ink); }
.prose p { margin-bottom: 16px; }
.prose a { color: var(--purple); text-decoration: underline; text-underline-offset: 3px; }
.prose ul,.prose ol { padding-left: 23px; }
.notice { background: #fff3e9; border: 1px solid #f1dbc9; padding: 16px 20px; color: #a07d65; border-radius: 11px; font-size: 12px; margin-bottom: 23px; }
.video-detail { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 27px; }
.player-shell { border-radius: 17px; overflow: hidden; background: #19121f; position: relative; }
.player-shell video { display: block; width: 100%; aspect-ratio: 16/9; object-fit: contain; }
.player-controls { padding: 12px 17px; background: #282030; color: #cec0da; display: flex; align-items: center; justify-content: space-between; gap: 9px; font-size: 11px; }
.player-controls button { border: 1px solid #635373; background: transparent; color: #d2bfe0; padding: 5px 9px; border-radius: 5px; font-size: 10px; }
.player-error { padding: 17px; color: #ffc89f; font-size: 12px; }
.video-title { font-size: 26px; margin: 21px 0 12px; }
.video-byline { color: #9b8aa7; font-size: 11px; margin-bottom: 20px; }
.tag-line { display: flex; gap: 8px; flex-wrap: wrap; }
.tags { color: #8b71a5; font-size: 10px; background: #f0e9f7; padding: 3px 8px; border-radius: 4px; }
.lesson-content { background: white; border: 1px solid var(--line); border-radius: 15px; padding: 27px; margin-top: 26px; }
.lesson-content h2 { font-size: 20px; margin-bottom: 16px; }
.lesson-content h3 { font-size: 14px; margin: 18px 0 8px; }
.lesson-content p { color: #8b7c98; font-size: 12px; line-height: 1.95; }
.related-list { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 20px; align-self: start; }
.related-list h2 { font-size: 16px; margin-bottom: 18px; }
.related-list .video-card { margin-bottom: 24px; }
.related-list .video-card:last-child { margin-bottom: 0; }
.danmaku-stage { pointer-events: none; position: absolute; left: 0; right: 0; top: 17%; height: 40%; overflow: hidden; }
.danmaku-text { position: absolute; right: 0; top: 4px; color: white; text-shadow: 1px 1px 3px black; white-space: nowrap; font-size: 16px; animation: fly-across 8s linear forwards; }
@keyframes fly-across { from { transform: translateX(100%); } to { transform: translateX(-1000px); } }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 8px; }
.field input,.field select,.field textarea { width: 100%; border: 1px solid #e2d8ed; background: white; border-radius: 9px; padding: 11px 13px; color: var(--ink); font-size: 13px; }
.field textarea { resize: vertical; min-height: 106px; }
.field.full { grid-column: 1/-1; }
.form-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 18px; }
.tool-result { margin-top: 22px; background: #f3eefb; padding: 22px; border-radius: 13px; font-size: 13px; color: #826798; white-space: pre-wrap; }
.tool-result:empty { display: none; }
.community-functions { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin-top: 25px; }
.community-function { background: white; border: 1px solid var(--line); padding: 24px; border-radius: 14px; }
.community-function svg { color: var(--purple); margin-bottom: 14px; }
.community-function h3 { font-size: 15px; }
.community-function p { color: #8b7d99; margin: 12px 0; font-size: 12px; }
.comment-item { padding: 18px; margin-top: 15px; border-radius: 11px; background: #f5effb; border: 1px solid #e9def3; font-size: 12px; }
.comment-item small { color: #a18aaf; display: block; margin-top: 9px; }
.company-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 30px; }
.company-grid>img { width: 100%; border-radius: 16px; aspect-ratio: 4/3; object-fit: cover; }
.company-grid dl { display: grid; grid-template-columns: 90px 1fr; gap: 12px; margin: 16px 0; font-size: 12px; }
.company-grid dt { color: #a28daa; }
.company-grid dd { margin: 0; color: #7a678c; overflow-wrap: anywhere; }
.legal-container { max-width: 900px; }
.back-top { position: fixed; right: 22px; bottom: 23px; background: white; border: 1px solid var(--line); color: var(--purple); width: 39px; height: 39px; border-radius: 11px; display: grid; place-items: center; z-index: 40; }
.upload-zone { padding: 35px; border: 1px dashed #bda7d7; background: #f7f3fc; border-radius: 14px; text-align: center; }
.upload-zone p { color: #a08daf; font-size: 12px; margin: 12px 0; }
.upload-zone input { max-width: 100%; font-size: 12px; }
.upload-preview { display: block; width: min(100%,500px); max-height: 280px; margin: 20px auto 0; }
@media(min-width:1600px) {
  .container { width: min(1330px,calc(100% - 100px)); }
  .hero { min-height: 450px; }
  .hero-content { padding-top: 52px; }
}
@media(max-width:1100px) {
  .container { width: calc(100% - 48px); }
  .main-nav { gap: 15px; }
  .main-nav a { font-size: 12px; }
  .header-actions .icon-btn { display: none; }
  .header-inner { gap: 16px; }
  .hero-grid { grid-template-columns: 1fr 240px; }
  .hero-content { padding: 31px 26px; width: 80%; }
  .hero h1 { font-size: 34px; }
  .hero { min-height: 401px; }
  .hot-tags a:nth-last-child(-n+2) { display: none; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1.2fr; }
  .footer-qr { grid-column: 1/-1; }
  .footer-qr .qr-row { justify-content: flex-start; }
  .video-grid { gap: 25px 16px; }
  .video-detail { grid-template-columns: minmax(0,1fr) 250px; }
}
@media(max-width:850px) {
  .header-inner { min-height: 72px; }
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 12px 24px; background: white; box-shadow: 0 15px 30px #33224212; grid-template-columns: 1fr 1fr; gap: 0; }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 15px; }
  .main-nav a.active:after { display: none; }
  .menu-toggle { display: inline-flex; border-radius: 9px; }
  .header-actions .menu-toggle { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .editorial-side { display: grid; grid-template-columns: 1fr 1fr; }
  .side-note { min-height: 188px; }
  .hero { min-height: 395px; }
  .hero-content { width: 68%; }
  .hero h1 { font-size: 39px; }
  .hero>img { object-position: center; }
  .hot-tags { display: none; }
  .video-grid { grid-template-columns: repeat(3,1fr); }
  .inspiration-grid { grid-template-columns: 1fr 1fr; }
  .inspiration-card:first-child { grid-column: 1/-1; min-height: 260px; }
  .ai-band { grid-template-columns: 1fr; gap: 20px; padding: 27px; }
  .ai-copy p { max-width: unset; }
  .split-section { grid-template-columns: 1.2fr 1fr; gap: 20px; }
  .service-grid,.expert-grid { grid-template-columns: repeat(2,1fr); }
  .expert:last-child { grid-column: 1/-1; }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .partner-wall { grid-template-columns: repeat(3,1fr); gap: 23px; }
  .guide-grid { grid-template-columns: 1fr 1fr; }
  .faq-layout { grid-template-columns: 1fr; gap: 22px; }
  .video-detail { grid-template-columns: 1fr; }
  .related-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
  .related-list h2 { grid-column: 1/-1; margin: 0; }
  .related-list .video-card { margin: 0; }
  .community-functions { grid-template-columns: 1fr 1fr; }
  .company-grid { grid-template-columns: 1fr; }
}
@media(max-width:600px) {
  body { font-size: 13px; }
  .container { width: calc(100% - 32px); }
  .brand img { width: 35px; height: 35px; border-radius: 9px; }
  .brand-name { font-size: 22px; }
  .brand-sub { font-size: 8px; letter-spacing: 2px; }
  .header-inner { gap: 12px; min-height: 68px; }
  .main-nav { top: 68px; }
  .header-actions { gap: 8px; }
  .header-actions .btn { padding: 7px 11px; font-size: 11px; }
  .header-actions .btn svg { display: none; }
  .search-band { padding: 15px 0; }
  .content-status { margin-bottom: 13px; padding: 8px 10px; gap: 4px 12px; font-size: 9px; }
  .content-status a { width: 100%; margin-left: 0; }
  .search-form { padding-left: 12px; gap: 8px; }
  .search-form input { font-size: 11px; }
  .search-form button { padding: 7px 12px; font-size: 11px; }
  .hero { min-height: 429px; border-radius: 16px; }
  .hero>img { object-position: 63% center; }
  .hero:after { background: linear-gradient(90deg,rgba(23,18,42,.88),rgba(23,18,42,.37)),linear-gradient(0deg,rgba(23,18,42,.75),transparent); }
  .hero-content { padding: 29px 24px; width: 100%; }
  .hero h1 { font-size: 35px; line-height: 1.45; }
  .hero h1 .h1-brand { font-size: 11px; }
  .hero p { font-size: 11px; max-width: 258px; }
  .hero .overline { font-size: 9px; margin-bottom: 14px; }
  .hero-cta { margin-top: 25px; }
  .hero-cta .btn { padding: 10px 14px; font-size: 11px; }
  .hero-note { max-width: 245px; font-size: 9px; }
  .hero-controls { bottom: 24px; right: 20px; }
  .editorial-side { gap: 12px; }
  .side-note { padding: 19px 16px; min-height: 185px; }
  .side-note:after { font-size: 59px; right: 3px; }
  .side-note h2 { font-size: 19px; }
  .side-note p { font-size: 10px; }
  .side-note .text-link { font-size: 10px; margin-top: 12px; }
  .mini-feature { min-height: 185px; }
  .mini-feature-content { bottom: 18px; left: 16px; }
  .mini-feature-content h3 { font-size: 16px; }
  .category-ribbon { grid-template-columns: 1fr 1fr; padding: 0; overflow: hidden; border-radius: 13px; gap: 0; margin-top: 16px; }
  .category-link { justify-content: flex-start; padding: 18px 13px; gap: 10px; }
  .category-link:nth-child(2) { border-right: 0; }
  .category-link:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .category-icon { width: 32px; height: 32px; border-radius: 9px; }
  .category-icon svg { width: 18px; }
  .category-link strong { font-size: 11px; }
  .category-link small { font-size: 9px; }
  .section { margin-top: 38px; }
  h2 { font-size: 23px; }
  .section-head { align-items: flex-start; margin-bottom: 18px; gap: 12px; }
  .section-head p { font-size: 11px; }
  .section-head .text-link { font-size: 10px; margin-top: 24px; }
  .section-label { font-size: 9px; }
  .section-title-line { gap: 7px; flex-wrap: wrap; }
  .section-title-line .pill { font-size: 8px; }
  .filter-row { gap: 7px; margin-bottom: 18px; }
  .filter { font-size: 10px; padding: 6px 13px; }
  .filter-caption { width: 100%; margin-top: 5px; font-size: 9px; }
  .video-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 23px 13px; }
  .video-cover { aspect-ratio: 1.43; border-radius: 11px; }
  .cover-tag { font-size: 8px; top: 8px; left: 8px; }
  .cover-duration,.cover-play { font-size: 9px; }
  .cover-play { left: 8px; bottom: 8px; }
  .cover-duration { right: 8px; bottom: 8px; }
  .video-card h3 { font-size: 12px; }
  .card-brand { font-size: 9px; }
  .video-desc { font-size: 10px; }
  .video-meta { font-size: 9px; }
  .video-meta .author { gap: 5px; }
  .avatar-dot { width: 20px; height: 20px; font-size: 9px; }
  .stats-note { font-size: 9px; line-height: 1.8; }
  .inspiration-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .inspiration-card { min-height: 220px; border-radius: 13px; }
  .inspiration-card:first-child { min-height: 245px; }
  .inspiration-copy { bottom: 18px; left: 16px; right: 13px; }
  .inspiration-copy h3 { font-size: 17px; }
  .inspiration-copy small { font-size: 9px; }
  .inspiration-copy p { font-size: 10px; }
  .inspiration-copy .text-link { font-size: 10px; }
  .ai-band { padding: 25px 20px; border-radius: 16px; }
  .ai-copy h2 { font-size: 26px; }
  .ai-copy p { font-size: 11px; }
  .ai-tools { gap: 10px; }
  .ai-tool { padding: 14px 12px; display: block; }
  .ai-tool>svg { margin-bottom: 9px; }
  .ai-tool h3 { font-size: 11px; }
  .ai-tool p { font-size: 9px; }
  .split-section { grid-template-columns: 1fr; gap: 17px; }
  .panel { padding: 22px; }
  .service-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .service { padding: 18px 15px; }
  .service h3 { font-size: 13px; }
  .service p { font-size: 11px; }
  .service small { font-size: 9px; }
  .expert-grid { grid-template-columns: 1fr; gap: 13px; }
  .expert:last-child { grid-column: auto; }
  .review-grid { gap: 12px; }
  .review { padding: 17px; }
  .review-top { flex-wrap: wrap; gap: 6px; }
  .review>p { font-size: 11px; margin: 12px 0 16px; }
  .review-foot { gap: 7px; font-size: 10px; }
  .partner-wall { grid-template-columns: 1fr 1fr; padding: 24px 14px; gap: 22px 12px; }
  .partner { font-size: 16px; }
  .partner:last-child { grid-column: 1/-1; }
  .guide-grid { gap: 12px; }
  .guide-step { padding: 18px 15px; }
  .guide-step h3 { font-size: 12px; }
  .guide-step p { font-size: 10px; }
  .faq-item summary { font-size: 12px; }
  .faq-item p { font-size: 11px; }
  .contact-band { padding: 27px 23px; flex-direction: column; align-items: flex-start; gap: 21px; }
  .contact-band h2 { font-size: 23px; }
  .contact-band p { font-size: 11px; }
  .site-footer { margin-top: 38px; padding-top: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 27px 22px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-brand p { max-width: unset; }
  .footer-qr { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; gap: 7px; }
  .footer-notice { line-height: 1.8; }
  .h5hwMAf { flex-wrap: wrap; gap: 7px 13px; }
  .page-masthead { padding: 25px 22px; }
  .page-masthead h1 { font-size: 25px; }
  .page-masthead p { font-size: 12px; }
  .breadcrumb { font-size: 9px; margin-bottom: 18px; }
  .video-title { font-size: 22px; }
  .lesson-content { padding: 22px; }
  .related-list { grid-template-columns: 1fr 1fr; padding: 19px; }
  .related-list .video-card:last-child { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .community-functions { grid-template-columns: 1fr; }
  .company-grid dl { grid-template-columns: 72px 1fr; gap: 10px; font-size: 11px; }
  .modal { padding: 22px; }
  .modal-top h2 { font-size: 17px; }
  .back-top { right: 12px; bottom: 16px; width: 33px; height: 33px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *,*:before,*:after { animation: none !important; transition: none !important; }
  .danmaku-text { right: 15px; }
}
@media print {
  .site-header,.search-band,.site-footer,.back-top,.filter-row,button { display: none; }
  body { background: white; }
  .container { width: 100%; }
  .hero { min-height: 300px; }
  .section { break-inside: avoid; }
}