@charset "UTF-8";

:root {
  --ink: #160b20;
  --ink-2: #24132f;
  --ink-3: #331842;
  --paper: #fff7fb;
  --paper-2: #f8eef6;
  --line: rgba(255, 236, 247, .17);
  --muted: #c9b7ca;
  --muted-dark: #725f77;
  --pink: #ff6f9e;
  --pink-soft: #ffbad0;
  --violet: #b65ee0;
  --gold: #ffc66d;
  --coral: #ff806f;
  --shadow: 0 24px 70px rgba(9, 2, 14, .32);
  --shell: min(1180px, calc(100vw - 48px));
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--ink); color: var(--paper); font: 16px/1.65 var(--font); }
body::selection { background: var(--pink); color: var(--ink); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, figure { margin-top: 0; }
h1, h2, h3, h4 { letter-spacing: -.055em; line-height: 1.15; }
.shell { width: var(--shell); margin-inline: auto; }

.skip-link { position: fixed; z-index: 120; top: -100px; left: 50%; padding: 9px 15px; border-radius: 0 0 10px 10px; background: var(--pink); color: var(--ink); font-weight: 800; transform: translateX(-50%); transition: top .2s var(--ease); }
.skip-link:focus { top: 0; }

.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(22, 11, 32, .92); backdrop-filter: blur(16px); }
.header-inner { display: flex; min-height: 82px; align-items: center; gap: 20px; }
.brand { display: inline-flex; min-width: max-content; align-items: center; gap: 9px; }
.brand img { width: 62px; height: 42px; object-fit: contain; object-position: left center; }
.brand-type { display: grid; gap: 2px; line-height: 1; }
.brand-type b { color: var(--paper); font-size: 1rem; letter-spacing: -.06em; }
.brand-type small { color: var(--pink-soft); font-size: .62rem; letter-spacing: .05em; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.site-nav a { position: relative; padding: 10px 8px; color: #d7c7d8; font-size: .76rem; font-weight: 800; white-space: nowrap; }
.site-nav a::after { position: absolute; right: 8px; bottom: 3px; left: 8px; height: 2px; background: var(--pink); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.site-nav a:hover, .site-nav a.is-current { color: var(--paper); }
.site-nav a:hover::after, .site-nav a.is-current::after { transform: scaleX(1); }
.header-cta { padding: 9px 12px; border: 1px solid rgba(255, 111, 158, .55); color: var(--pink); font-size: .72rem; font-weight: 800; transition: .2s var(--ease); }
.header-cta:hover { background: var(--pink); color: var(--ink); }
.menu-button { display: none; }

.search-band { border-top: 1px solid rgba(255,255,255,.04); background: #1c1028; }
.search-row { display: flex; min-height: 58px; align-items: center; gap: 14px; }
.site-search { display: flex; width: min(410px, 42vw); align-items: center; gap: 9px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.035); transition: border-color .2s var(--ease); }
.site-search:focus-within { border-color: var(--pink); }
.site-search > span { color: var(--pink); font-size: 1.25rem; line-height: 1; }
.site-search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--paper); font-size: .78rem; }
.site-search input::placeholder { color: #8d7a91; }
.site-search kbd { padding: 1px 5px; border: 1px solid rgba(255,255,255,.17); color: #ad96af; font: .6rem var(--mono); }
.search-note { flex: 1; margin: 0; overflow: hidden; color: #a994ac; font-size: .7rem; text-overflow: ellipsis; white-space: nowrap; }
.quick-terms { display: flex; gap: 5px; }
.quick-terms button { padding: 4px 7px; border: 1px solid rgba(255,255,255,.12); background: transparent; color: #c6b6c7; font-size: .6rem; transition: .2s var(--ease); }
.quick-terms button:hover { border-color: var(--pink); color: var(--pink); }

.hero { position: relative; min-height: 716px; isolation: isolate; overflow: hidden; }
.hero-media { position: absolute; z-index: -3; inset: 0; background: linear-gradient(90deg, rgba(22,11,32,.98) 0%, rgba(22,11,32,.78) 39%, rgba(22,11,32,.19) 75%, rgba(22,11,32,.46) 100%), url("/assets/images/tangxin-hero.jpg") center/cover; }
.hero-media::after { position: absolute; inset: 0; background: linear-gradient(0deg, var(--ink), transparent 42%); content: ""; }
.hero-noise { position: absolute; z-index: -2; inset: 0; opacity: .22; background-image: radial-gradient(rgba(255,255,255,.38) .55px, transparent .55px); background-size: 5px 5px; mix-blend-mode: overlay; pointer-events: none; }
.hero-grid { display: grid; min-height: 648px; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .55fr); align-items: end; gap: 60px; padding: 90px 0 68px; }
.hero-copy { max-width: 760px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; color: var(--pink); font: 700 .69rem var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 0 rgba(255,111,158,.65); animation: pulse 2s infinite; }
@keyframes pulse { 60% { box-shadow: 0 0 0 8px rgba(255,111,158,0); } 100% { box-shadow: 0 0 0 0 rgba(255,111,158,0); } }
.hero h1 { max-width: 850px; margin-bottom: 23px; font-size: clamp(3.05rem, 6vw, 6rem); font-weight: 900; }
.hero h1 em { color: var(--pink); font-style: normal; }
.hero-intro { max-width: 630px; color: #eaddeb; font-size: 1.02rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin: 31px 0 40px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 13px 17px; border: 1px solid transparent; font-size: .78rem; font-weight: 800; letter-spacing: .02em; transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease); }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--pink); color: var(--ink); }
.button-primary:hover { background: #ffb0c8; }
.button-light { border-color: rgba(255,247,251,.35); background: rgba(24,11,32,.25); color: var(--paper); }
.button-light:hover { border-color: var(--pink); color: var(--pink); }
.hero-data { display: flex; margin: 0; }
.hero-data div { min-width: 125px; padding-right: 21px; margin-right: 21px; border-right: 1px solid var(--line); }
.hero-data div:last-child { padding-right: 0; margin: 0; border: 0; }
.hero-data dt { color: var(--paper); font: 800 1.45rem var(--mono); letter-spacing: -.08em; }
.hero-data dd { margin: 2px 0 0; color: #c0afc2; font-size: .67rem; }
.now-playing { align-self: center; width: 100%; padding: 17px; margin-top: 75px; border: 1px solid rgba(255,247,251,.26); background: rgba(22,11,32,.55); box-shadow: var(--shadow); backdrop-filter: blur(9px); transform: rotate(2.2deg); }
.now-top, .now-meta { display: flex; justify-content: space-between; color: #c3aec5; font: .62rem var(--mono); letter-spacing: .06em; }
.live { color: var(--pink); }
.live::before { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: currentColor; content: ""; }
.now-play { display: grid; width: 66px; height: 66px; place-items: center; margin: 37px 0; border: 1px solid var(--pink); border-radius: 50%; color: var(--pink); font-size: 1.25rem; transition: .2s var(--ease); }
.now-play:hover { background: var(--pink); color: var(--ink); transform: scale(1.06); }
.now-playing p { margin-bottom: 5px; color: var(--pink); font: .64rem var(--mono); letter-spacing: .1em; }
.now-playing h2 { margin-bottom: 25px; font-size: 1.3rem; }
.hero-rail { display: flex; position: relative; align-items: center; gap: 13px; padding-bottom: 18px; color: #b49db5; font: .61rem var(--mono); letter-spacing: .11em; }
.hero-rail i { width: 92px; height: 1px; background: linear-gradient(90deg, var(--pink), transparent); }
.hero-rail b { color: var(--pink); }

.ticker { position: relative; z-index: 2; overflow: hidden; border-block: 1px solid rgba(255,111,158,.42); background: var(--pink); color: var(--ink); white-space: nowrap; }
.ticker-track { display: inline-flex; min-width: max-content; align-items: center; gap: 19px; padding: 10px 0; font: 800 .75rem var(--mono); letter-spacing: .05em; animation: ticker 31s linear infinite; }
.ticker-track i { color: #7d2760; font-style: normal; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { position: relative; z-index: 1; padding-block: 112px; }
.section-head { display: flex; justify-content: space-between; gap: 45px; }
.section-head h2, .studio-copy h2, .ai-copy h2, .people-copy h2, .howto-copy h2, .faq-intro h2, .contact-copy h2 { margin-bottom: 0; font-size: clamp(2.35rem, 4.2vw, 4.3rem); font-weight: 900; }
.section-head.split > div:first-child { max-width: 650px; }
.section-head.split > div:last-child { max-width: 395px; padding-top: 54px; }
.section-head.split p, .section-head.compact > p { color: var(--muted); font-size: .9rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--pink); padding-bottom: 3px; color: var(--pink); font-size: .78rem; font-weight: 800; }
.text-link span { font-size: 1.15rem; transition: transform .2s var(--ease); }
.text-link:hover span { transform: translateX(4px); }

.video-section { background: #1c0e29; }
.video-grid { display: grid; grid-template-columns: 1.1fr .95fr .95fr; gap: 15px; margin-top: 54px; }
.video-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid rgba(255,247,251,.14); background: #291537; transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease); }
.video-card:hover { z-index: 2; border-color: rgba(255,111,158,.73); box-shadow: var(--shadow); transform: translateY(-7px); }
.video-card.feature { grid-row: span 2; }
.thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #3a1d4a; }
.feature .thumb { aspect-ratio: 16 / 11; }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
.video-card:hover .thumb img { transform: scale(1.06); }
.thumb::after { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,6,28,.65), transparent 62%); content: ""; }
.play { display: grid; position: absolute; z-index: 1; top: 50%; left: 50%; width: 55px; height: 55px; padding-left: 3px; place-items: center; border: 1px solid rgba(255,247,251,.75); border-radius: 50%; color: var(--paper); transform: translate(-50%,-50%) scale(.8); opacity: 0; transition: .25s var(--ease); }
.video-card:hover .play, .video-card:focus .play { transform: translate(-50%,-50%) scale(1); opacity: 1; }
.duration, .code { position: absolute; z-index: 1; bottom: 10px; font: .61rem var(--mono); letter-spacing: .07em; }
.duration { right: 10px; padding: 3px 5px; background: rgba(22,11,32,.7); }
.code { left: 10px; color: var(--pink); }
.video-copy { flex: 1; padding: 19px; }
.kickers { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; color: var(--pink); font: .61rem var(--mono); letter-spacing: .05em; }
.kickers span + span { color: #b9a9bb; }
.kickers span + span::before { margin-right: 6px; color: #6d566f; content: "/"; }
.video-copy h3 { margin-bottom: 9px; font-size: 1.15rem; }
.feature .video-copy h3 { font-size: 1.52rem; }
.video-copy p { min-height: 66px; margin-bottom: 15px; color: #c7b6c9; font-size: .78rem; }
.stats { display: flex; flex-wrap: wrap; gap: 12px; color: #aa94ac; font: .63rem var(--mono); }

.studio-section { background: var(--paper); color: var(--ink); }
.studio-layout { display: grid; grid-template-columns: 94px minmax(0,1fr) 245px; gap: 36px; }
.studio-rail { display: flex; flex-direction: column; align-items: start; gap: 10px; padding-top: 13px; color: #b32e78; font: 700 .68rem var(--mono); letter-spacing: .1em; }
.studio-rail span { color: var(--ink); font-size: 1.8rem; letter-spacing: -.1em; }
.studio-rail i { width: 1px; height: 140px; background: var(--pink); }
.studio-rail b { writing-mode: vertical-rl; }
.lead { max-width: 650px; margin: 25px 0 43px; color: #604c66; font-size: 1.03rem; }
.process-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.process-grid article { min-height: 240px; padding: 20px; border-top: 4px solid var(--ink); background: #f1e6ef; }
.process-grid article:nth-child(2) { border-color: var(--pink); }
.process-grid article:nth-child(3) { border-color: var(--gold); }
.process-grid b { color: #b32e78; font: .72rem var(--mono); }
.process-grid h3 { margin: 23px 0 10px; font-size: 1.16rem; }
.process-grid p { min-height: 68px; color: #67556a; font-size: .77rem; }
.process-grid a { border-bottom: 1px solid var(--ink); color: var(--ink); font-size: .72rem; font-weight: 800; }
.studio-quote { align-self: end; padding: 22px 0 3px 24px; border-left: 1px solid var(--pink); }
.studio-quote span { color: var(--pink); font-size: 4rem; line-height: .5; }
.studio-quote p { margin: 10px 0 18px; font-size: 1.08rem; font-weight: 800; line-height: 1.45; }
.studio-quote b { color: #756579; font: .64rem var(--mono); }

.ai-section { background: #231331; }
.ai-layout, .people-layout, .contact-layout { display: grid; grid-template-columns: 1fr .95fr; align-items: center; gap: clamp(38px,7vw,100px); }
.ai-visual { position: relative; overflow: hidden; border: 1px solid rgba(255,111,158,.38); aspect-ratio: 4 / 5; }
.ai-visual img { width: 100%; height: 100%; object-fit: cover; }
.ai-visual::after { position: absolute; inset: 0; background: linear-gradient(125deg, transparent 38%, rgba(255,111,158,.17), transparent 49%); content: ""; pointer-events: none; }
.scan { position: absolute; z-index: 1; right: 0; left: 0; top: 26%; height: 1px; background: var(--pink); box-shadow: 0 0 18px var(--pink); animation: scan 5s ease-in-out infinite; }
@keyframes scan { 50% { top: 76%; } }
.caption { position: absolute; z-index: 2; bottom: 14px; left: 14px; padding: 5px 7px; border: 1px solid rgba(255,111,158,.55); background: rgba(22,11,32,.65); color: var(--pink); font: .59rem var(--mono); letter-spacing: .08em; }
.ai-copy > p:not(.eyebrow) { margin: 25px 0 26px; color: var(--muted); }
.feature-list { padding: 0; margin: 0 0 30px; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 40px 1fr; gap: 13px; padding: 15px 0; border-top: 1px solid var(--line); }
.feature-list li:last-child { border-bottom: 1px solid var(--line); }
.feature-list > li > span { color: var(--pink); font: .68rem var(--mono); }
.feature-list h3 { margin-bottom: 4px; font-size: .96rem; }
.feature-list p { margin: 0; color: #bdaabe; font-size: .76rem; }

.community-section { background: #190d24; }
.section-head.compact { align-items: end; }
.section-head.compact > div { max-width: 630px; }
.section-head.compact > p { max-width: 405px; margin-bottom: 3px; }
.community-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 13px; margin-top: 48px; }
.community-card { display: flex; min-height: 280px; flex-direction: column; padding: 23px; border: 1px solid var(--line); transition: transform .25s var(--ease); }
.community-card:hover { transform: translateY(-6px); }
.community-card > span { color: var(--pink); font: .63rem var(--mono); letter-spacing: .08em; }
.community-card h3 { margin: auto 0 9px; font-size: 1.7rem; }
.community-card p { margin-bottom: 16px; color: #eddaed; font-size: .81rem; }
.community-card.pink { background: linear-gradient(135deg, #613050, #29132f); }
.community-card.plum { background: linear-gradient(135deg, #3a254a, #1f122b); }
.community-card.gold { background: linear-gradient(135deg, #6a452d, #2f1b1d); }
.community-card.gold > span { color: var(--gold); }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 18px; }
.chips i { padding: 3px 6px; border: 1px solid rgba(255,247,251,.2); color: #f6e6f1; font: .57rem var(--mono); font-style: normal; }
.community-card a { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,247,251,.22); padding-top: 11px; font-size: .73rem; font-weight: 800; }
.community-card a b { color: var(--pink); font-size: 1.1rem; }
.json-panel { margin-top: 18px; border: 1px solid rgba(255,111,158,.28); background: #150a1e; }
.json-panel > div { display: flex; justify-content: space-between; padding: 9px 12px; border-bottom: 1px solid rgba(255,111,158,.18); color: var(--pink); font: .61rem var(--mono); letter-spacing: .08em; }
.json-panel button { border: 0; background: none; color: #d8bdd2; font: inherit; }
.json-panel button:hover { color: var(--pink); }
.json-panel pre { margin: 0; padding: 14px; overflow-x: auto; color: #f2ddec; font: .73rem/1.8 var(--mono); white-space: pre-wrap; }

.people-section { background: #241331; }
.people-image { position: relative; overflow: hidden; aspect-ratio: 4 / 5; }
.people-image img { width: 100%; height: 100%; object-fit: cover; }
.people-image::after { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(22,11,32,.58), transparent); content: ""; }
.people-image span { position: absolute; z-index: 1; right: 16px; bottom: 16px; display: grid; width: 74px; height: 74px; place-items: center; border: 1px solid var(--pink); border-radius: 50%; color: var(--pink); font: 800 .75rem/1.25 var(--mono); text-align: center; transform: rotate(-12deg); }
.people-copy > p:not(.eyebrow) { max-width: 500px; margin: 25px 0; color: var(--muted); }
.expert-list { margin: 29px 0 24px; border-top: 1px solid var(--line); }
.expert-list > div { display: flex; gap: 18px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.expert-list b { color: var(--pink); font: .69rem var(--mono); }
.expert-list span { font-size: .84rem; font-weight: 800; }
.expert-list small { display: block; margin-top: 2px; color: #b79bb9; font-size: .7rem; font-weight: 400; }

.standards-section { background: #190d24; }
.standard-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin-top: 46px; }
.standard-grid article { padding: 23px; border: 1px solid var(--line); background: #281535; }
.standard-grid span { color: var(--pink); font: .63rem var(--mono); letter-spacing: .06em; }
.standard-grid h3 { margin: 25px 0 10px; font-size: 1.22rem; }
.standard-grid p { margin: 0; color: #c4b1c6; font-size: .79rem; }

.partners-section { background: var(--paper); color: var(--ink); }
.partners-section .eyebrow { color: #b32e78; }
.partners-section .section-head p { color: #635267; }
.logo-wall { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 42px; border-top: 1px solid #cbb8c8; border-left: 1px solid #cbb8c8; }
.logo-wall span { display: grid; min-height: 97px; place-items: center; border-right: 1px solid #cbb8c8; border-bottom: 1px solid #cbb8c8; color: #4c294c; font: 800 clamp(.8rem,2vw,1.28rem) var(--mono); letter-spacing: -.08em; transition: .2s var(--ease); }
.logo-wall span:nth-child(2n) { color: #a13478; }
.logo-wall span:hover { background: var(--ink); color: var(--pink); }

.howto-section { background: #210f2d; }
.howto-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: clamp(45px,9vw,130px); }
.howto-copy { position: sticky; top: 25px; align-self: start; }
.howto-copy > p:not(.eyebrow) { max-width: 430px; margin: 26px 0 0; color: var(--muted); }
.howto-list { display: grid; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.howto-list li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.howto-list b { color: var(--pink); font: .77rem var(--mono); }
.howto-list h3 { margin: 0 0 8px; font-size: 1.2rem; }
.howto-list p { margin: 0; color: #c1adc3; font-size: .82rem; }

.faq-section { background: #321b40; }
.faq-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: clamp(38px,8vw,110px); }
.faq-intro > p:not(.eyebrow) { max-width: 345px; margin: 25px 0; color: var(--muted); }
.faq-round { display: grid; width: 128px; height: 128px; place-items: center; border: 1px solid var(--pink); border-radius: 50%; color: var(--pink); font: 800 .73rem/1.2 var(--mono); text-align: center; transform: rotate(-12deg); }
.faq-round small { color: #f1cbe0; font-size: .58rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; color: var(--paper); cursor: pointer; font-size: .98rem; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--pink); font: 1.35rem var(--mono); transition: transform .2s var(--ease); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { max-width: 720px; margin: -4px 39px 21px 0; color: #d5c0d6; font-size: .83rem; }

.reviews-section { background: var(--paper); color: var(--ink); }
.reviews-section .eyebrow { color: #a83375; }
.reviews-section .section-head.compact > p { color: #665269; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 48px; border-top: 1px solid #c7b1c2; border-left: 1px solid #c7b1c2; }
.review-grid figure { display: flex; min-height: 250px; flex-direction: column; padding: 20px; margin: 0; border-right: 1px solid #c7b1c2; border-bottom: 1px solid #c7b1c2; transition: .25s var(--ease); }
.review-grid figure:hover { background: var(--ink); color: var(--paper); }
.review-grid blockquote { margin: 0; font-size: .88rem; font-weight: 700; line-height: 1.65; }
.review-grid figcaption { display: grid; gap: 7px; padding-top: 20px; margin-top: auto; font-size: .64rem; }
.review-grid figcaption span { color: #785f78; }
.review-grid figure:hover figcaption span { color: #cdb3c9; }
.review-grid figcaption b { color: #b13279; font: .62rem var(--mono); }

.contact-section { overflow: hidden; background: #170b21; }
.contact-section::after { position: absolute; z-index: -1; right: -18px; bottom: -70px; color: rgba(255,111,158,.05); content: "糖心 糖心"; font-size: 11rem; font-weight: 900; letter-spacing: -.15em; }
.contact-copy > p:not(.eyebrow) { max-width: 500px; margin: 26px 0 27px; color: var(--muted); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.contact-board { overflow: hidden; border: 1px solid rgba(255,111,158,.36); background: #291535; }
.contact-image { height: 155px; overflow: hidden; }
.contact-image img { width: 100%; height: 100%; object-fit: cover; }
.contact-lines { padding: 10px 20px; }
.contact-lines > div { display: grid; grid-template-columns: 92px 1fr; gap: 11px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .73rem; }
.contact-lines b { color: var(--pink); font: .64rem var(--mono); }
.contact-lines span, .contact-lines a { color: #ead8e9; }
.contact-lines a:hover { color: var(--pink); }
.qr-row { display: flex; align-items: center; gap: 14px; padding: 14px 20px 21px; }
.qr-row figure { margin: 0; text-align: center; }
.qr-row img { width: 72px; height: 72px; padding: 3px; background: var(--paper); }
.qr-row figcaption { margin-top: 4px; color: #c0a9c1; font-size: .58rem; }
.app-badge { display: grid; min-width: 84px; min-height: 86px; padding: 9px; margin-left: auto; border: 1px solid rgba(255,198,109,.62); color: var(--gold); font: .58rem var(--mono); }
.app-badge b { color: var(--paper); font-size: .72rem; letter-spacing: .02em; }
.app-badge small { color: #c5b4c7; font-size: .56rem; }

.site-footer { border-top: 1px solid var(--line); background: #100716; }
.footer-grid { display: grid; grid-template-columns: 1.45fr .75fr .75fr; gap: 50px; padding-block: 50px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { max-width: 430px; margin-bottom: 11px; color: #ab96ad; font-size: .74rem; }
.footer-brand .updated { color: var(--pink); font: .65rem var(--mono); }
.footer-nav { display: grid; align-content: start; gap: 8px; }
.footer-nav b { margin-bottom: 5px; color: var(--pink); font: .66rem var(--mono); letter-spacing: .08em; }
.footer-nav a, .footer-nav button { padding: 0; border: 0; background: none; color: #c7b5c9; text-align: left; font-size: .73rem; transition: color .2s var(--ease); }
.footer-nav a:hover, .footer-nav button:hover { color: var(--pink); }
.frontend-status { margin-top: 10px; color: #c1adc2; font: .59rem var(--mono); }
.frontend-status i { display: inline-block; width: 6px; height: 6px; margin-inline: 3px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 8px var(--pink); }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; padding-block: 15px; border-top: 1px solid var(--line); color: #8d778f; font: .62rem var(--mono); }
.footer-bottom a { color: var(--pink); }
.toast { position: fixed; z-index: 99; right: 20px; bottom: 20px; max-width: min(340px, calc(100vw - 40px)); padding: 12px 14px; border: 1px solid var(--pink); background: #2b1538; color: var(--paper); box-shadow: var(--shadow); font-size: .75rem; transform: translateY(25px); opacity: 0; pointer-events: none; transition: .28s var(--ease); }
.toast.is-visible { transform: translateY(0); opacity: 1; }

/* Inner pages */
.inner-page .site-header { position: sticky; top: 0; }
.page-hero { position: relative; overflow: hidden; padding: 68px 0 76px; border-bottom: 1px solid var(--line); background: linear-gradient(125deg, #20102d 0%, #3c1d47 62%, #160b20 100%); }
.page-hero::after { position: absolute; top: -74px; right: 4vw; color: rgba(255,111,158,.07); content: "糖心"; font-size: 14rem; font-weight: 900; letter-spacing: -.17em; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 37px; color: #c3aec4; font: .68rem var(--mono); }
.breadcrumb a:hover { color: var(--pink); }
.breadcrumb span { color: var(--pink); }
.page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr .88fr; align-items: end; gap: 45px; }
.page-hero h1 { max-width: 720px; margin-bottom: 18px; font-size: clamp(2.6rem, 5.4vw, 5.35rem); font-weight: 900; }
.page-hero h1 em { color: var(--pink); font-style: normal; }
.page-hero p:not(.eyebrow) { max-width: 500px; margin: 0; color: #dccbdd; }
.page-hero-card { display: flex; gap: 15px; align-items: center; justify-content: end; padding: 15px; border: 1px solid rgba(255,111,158,.35); background: rgba(22,11,32,.45); }
.page-hero-card b { color: var(--pink); font: .69rem var(--mono); }
.page-hero-card span { color: #f0dfef; font-size: .76rem; }
.inner-main { background: #1b0d27; }
.inner-section { padding-block: 84px; }
.inner-section.paper { background: var(--paper); color: var(--ink); }
.inner-section h2 { margin-bottom: 18px; font-size: clamp(2rem,3.4vw,3.3rem); }
.inner-section .intro { max-width: 700px; color: var(--muted); font-size: .96rem; }
.paper .intro { color: #5f4b63; }
.inner-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin-top: 35px; }
.info-card { padding: 22px; border: 1px solid var(--line); background: #2b1637; }
.info-card .label { color: var(--pink); font: .63rem var(--mono); }
.info-card h3 { margin: 23px 0 9px; font-size: 1.2rem; }
.info-card p { margin-bottom: 0; color: #c4b1c6; font-size: .79rem; }
.paper .info-card { border-color: #d2bed1; background: #f2e7f0; }
.paper .info-card .label { color: #a92c73; }
.paper .info-card p { color: #655067; }
.video-list { display: grid; gap: 1px; margin-top: 35px; border: 1px solid var(--line); background: var(--line); }
.video-row { display: grid; grid-template-columns: 70px minmax(180px,1.1fr) 1.7fr 80px; gap: 17px; align-items: center; min-height: 100px; padding: 16px 20px; background: #230f2e; transition: background .2s var(--ease); }
.video-row:hover { background: #3a1b44; }
.video-row .num { color: var(--pink); font: 800 1.1rem var(--mono); }
.video-row h3 { margin: 0; font-size: .98rem; }
.video-row p { margin: 0; color: #c0adc2; font-size: .76rem; }
.row-play { justify-self: end; width: 40px; height: 40px; border: 1px solid var(--pink); border-radius: 50%; background: transparent; color: var(--pink); }
.row-play:hover { background: var(--pink); color: var(--ink); }
.player-shell { padding: 16px; border: 1px solid rgba(255,111,158,.42); background: #120718; }
.player-shell video { display: block; width: 100%; max-height: 580px; background: #08040b; }
.player-caption { display: flex; justify-content: space-between; gap: 14px; padding: 13px 2px 0; color: #c5afc6; font-size: .74rem; }
.player-caption b { color: var(--pink); }
.tool-grid, .expert-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin-top: 35px; }
.tool-card, .expert-card { padding: 22px; border: 1px solid var(--line); background: #2a1636; }
.tool-card b, .expert-card .role { color: var(--pink); font: .63rem var(--mono); }
.tool-card h3, .expert-card h3 { margin: 18px 0 8px; font-size: 1.2rem; }
.tool-card p, .expert-card p { color: #c1aec3; font-size: .78rem; }
.expert-card .expert-mark { display: grid; min-height: 104px; place-items: center; margin: -22px -22px 17px; background: linear-gradient(135deg, #6b3158, #2b1638); color: var(--pink); font: 900 2rem var(--mono); }
.expert-card .actions { display: flex; gap: 7px; margin-top: 16px; }
.expert-card .actions a { padding: 6px 8px; border: 1px solid rgba(255,111,158,.5); color: var(--pink); font-size: .63rem; }
.expert-card .actions a:hover { background: var(--pink); color: var(--ink); }
.data-console { margin-top: 32px; border: 1px solid rgba(255,111,158,.3); background: #13081b; }
.data-console header { display: flex; justify-content: space-between; padding: 9px 12px; border-bottom: 1px solid rgba(255,111,158,.18); color: var(--pink); font: .61rem var(--mono); }
.data-console pre { max-height: 290px; padding: 15px; margin: 0; overflow: auto; color: #f1d8e9; font: .73rem/1.75 var(--mono); }

@media (max-width: 1080px) {
  .site-nav a { padding-inline: 6px; font-size: .7rem; }
  .header-cta { display: none; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .video-card.feature { grid-row: span 2; }
  .community-grid { grid-template-columns: 1fr 1fr; }
  .community-card:first-child { grid-column: span 2; }
  .studio-layout { grid-template-columns: 55px minmax(0,1fr); }
  .studio-quote { grid-column: 2; max-width: 430px; }
  .review-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 820px) {
  :root { --shell: min(100% - 34px, 690px); }
  .header-inner { min-height: 66px; }
  .menu-button { display: grid; position: relative; width: 38px; height: 38px; padding: 9px; margin-left: auto; border: 1px solid var(--line); background: none; }
  .menu-button span { display: block; height: 1px; background: var(--paper); transition: .2s var(--ease); }
  .menu-button i { position: absolute; overflow: hidden; width: 1px; height: 1px; clip: rect(0,0,0,0); }
  .menu-button.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button.is-open span:nth-child(2) { opacity: 0; }
  .menu-button.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { display: none; position: absolute; top: 66px; right: 0; left: 0; grid-template-columns: 1fr 1fr; padding: 12px 17px 17px; border-bottom: 1px solid var(--line); background: #1c1028; }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 11px 6px; }
  .search-row { flex-wrap: wrap; padding-block: 9px; gap: 8px; }
  .site-search { width: 100%; }
  .search-note { width: 100%; flex-basis: 100%; order: 3; }
  .quick-terms { width: 100%; overflow: auto; }
  .quick-terms button { white-space: nowrap; }
  .hero { min-height: 670px; }
  .hero-grid { min-height: 594px; grid-template-columns: 1fr; gap: 20px; padding: 57px 0 25px; }
  .hero h1 { font-size: clamp(2.7rem,12vw,4.55rem); }
  .hero-intro { font-size: .92rem; }
  .now-playing { max-width: 290px; padding: 13px; margin: 0 0 0 auto; transform: rotate(1deg); }
  .now-play { width: 50px; height: 50px; margin: 18px 0; }
  .now-playing h2 { margin-bottom: 15px; font-size: 1.03rem; }
  .section { padding-block: 74px; }
  .section-head, .section-head.compact { align-items: start; flex-direction: column; gap: 20px; }
  .section-head.split > div:last-child { padding-top: 0; }
  .video-grid { grid-template-columns: 1fr; margin-top: 34px; }
  .video-card.feature { grid-row: auto; }
  .video-copy p { min-height: 0; }
  .studio-layout { display: block; }
  .studio-rail { display: none; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid article, .process-grid p { min-height: 0; }
  .studio-quote { margin-top: 31px; }
  .ai-layout, .people-layout, .contact-layout, .howto-layout, .faq-layout, .page-hero-grid { grid-template-columns: 1fr; }
  .ai-visual, .people-image { max-width: 520px; aspect-ratio: 16 / 10; }
  .community-grid { grid-template-columns: 1fr; margin-top: 34px; }
  .community-card:first-child { grid-column: auto; }
  .community-card { min-height: 235px; }
  .standard-grid, .inner-grid, .tool-grid, .expert-grid { grid-template-columns: 1fr 1fr; }
  .logo-wall { grid-template-columns: 1fr 1fr; }
  .howto-copy { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 33px; }
  .footer-brand { grid-column: span 2; }
  .inner-section { padding-block: 64px; }
  .video-row { grid-template-columns: 42px 1fr 44px; gap: 12px; }
  .video-row p { display: none; }
}

@media (max-width: 520px) {
  :root { --shell: min(100% - 28px, 500px); }
  body { font-size: 15px; }
  .brand-type small { display: none; }
  .hero { min-height: 620px; }
  .hero-media { background-position: 62% center; }
  .hero-grid { min-height: 554px; padding-top: 46px; }
  .eyebrow { font-size: .61rem; }
  .hero-actions { margin: 25px 0; }
  .hero-actions .button { width: 100%; }
  .hero-data div { min-width: 0; flex: 1; padding-right: 8px; margin-right: 8px; }
  .hero-data dt { font-size: 1.1rem; }
  .hero-data dd { font-size: .56rem; }
  .now-playing { display: none; }
  .section-head h2, .studio-copy h2, .ai-copy h2, .people-copy h2, .howto-copy h2, .faq-intro h2, .contact-copy h2 { font-size: 2.3rem; }
  .play { width: 52px; height: 52px; transform: translate(-50%,-50%) scale(1); opacity: 1; }
  .community-card h3 { font-size: 1.48rem; }
  .json-panel pre { overflow-x: auto; white-space: nowrap; }
  .standard-grid, .inner-grid, .tool-grid, .expert-grid, .review-grid { grid-template-columns: 1fr; }
  .review-grid figure { min-height: 0; }
  .contact-lines { padding-inline: 15px; }
  .contact-lines > div { grid-template-columns: 76px 1fr; }
  .qr-row { flex-wrap: wrap; padding-inline: 15px; }
  .app-badge { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-wrap: wrap; }
  .page-hero { padding-block: 43px 54px; }
  .page-hero h1 { font-size: 2.65rem; }
  .page-hero-card { justify-content: start; }
  .player-caption { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}