/* 官网样式：与工作台同一套色彩。系统字体，不加载网络字体（国内访问快、利于收录）。 */
:root {
  --ink: #15171C; --ink-2: #2A2D35; --paper: #F4F5F3; --surface: #FFFFFF; --line: #E3E5E1; --line-2: #CFD2CC;
  --mute: #646973; --faint: #8F949C; --rec: #E8453C; --cap: #FFD43B; --cobalt: #2D5BE3;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --r: 14px; --wrap: 1180px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg { max-width: 100%; }
h1, h2, h3 { margin: 0; line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 750; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 12px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }

/* ---------- 按钮 */
.btn-rec, .btn-line { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 44px; padding: 0 20px;
  border-radius: 10px; font-weight: 650; font-size: 15px; text-decoration: none; white-space: nowrap; transition: background .15s, border-color .15s; }
.btn-rec { background: var(--ink); color: #fff; }
.btn-rec::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--rec); box-shadow: 0 0 0 3px rgba(232,69,60,.22); }
.btn-rec:hover { background: var(--ink-2); }
.btn-line { border: 1.5px solid var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: #fff; }
.lg { height: 52px; padding: 0 26px; font-size: 16px; border-radius: 12px; }

/* ---------- 顶栏 */
.top { position: sticky; top: 0; z-index: 30; background: rgba(244,245,243,.86); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; }
.top-in { height: 68px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 17px; text-decoration: none; white-space: nowrap; }
.brand img { border-radius: 8px; }
.mark { width: 30px; height: 30px; border-radius: 8px; background: var(--ink); display: inline-grid; place-items: center; flex: none; }
.mark i { width: 9px; height: 9px; border-radius: 50%; background: var(--rec); }
.menu { display: flex; gap: 4px; flex: 1; }
.menu a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--ink-2); font-size: 15px; }
.menu a:hover { background: rgba(21,23,28,.06); }
.acts { display: flex; align-items: center; gap: 16px; }
.acts .lang, .acts .login { text-decoration: none; font-size: 15px; color: var(--ink-2); }
.acts .btn-rec { height: 40px; padding: 0 16px; font-size: 14px; }

/* ---------- 主视觉 */
.hero { padding: 56px 0 72px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(32px, 3.9vw, 54px); }
@media (min-width: 641px) { .hero h1 span { white-space: nowrap; } }
.hero h1 span { display: block; }
.hero .lead { margin-top: 22px; font-size: 19px; color: var(--ink-2); max-width: 32em; line-height: 1.75; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.fine { margin-top: 18px; font-size: 14px; color: var(--mute); }

.stage { position: relative; display: grid; justify-items: center; padding: 0 0 10px; }
.phone { width: 292px; aspect-ratio: 292/600; border-radius: 44px; background: #0c0d10; padding: 11px; position: relative;
  box-shadow: 0 40px 80px -30px rgba(21,23,28,.55), 0 0 0 1px rgba(255,255,255,.06) inset; }
.phone::before { content: ""; position: absolute; top: 20px; left: 50%; width: 82px; height: 22px; border-radius: 12px; background: #0c0d10; transform: translateX(-50%); z-index: 3; }
.screen { position: relative; width: 100%; height: 100%; border-radius: 34px; overflow: hidden; background: #111; }
.scene { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; animation: scene 9s infinite; }
.scene.s1 { animation-delay: 0s; } .scene.s2 { animation-delay: 3s; } .scene.s3 { animation-delay: 6s; }
@keyframes scene { 0% { opacity: 0; transform: scale(1.04); } 4% { opacity: 1; } 33% { opacity: 1; transform: scale(1); } 37%, 100% { opacity: 0; } }
.cover-cap { position: absolute; top: 64px; left: 16px; right: 16px; text-align: center; z-index: 2; }
.cover-cap { font-weight: 900; font-size: 25px; line-height: 1.25; color: #111; background: var(--cap); padding: 6px 10px; border-radius: 4px; transform: rotate(-1.5deg); box-shadow: 0 6px 16px rgba(0,0,0,.25); }
.subs { position: absolute; left: 14px; right: 14px; bottom: 86px; height: 30px; z-index: 2; text-align: center; }
.sub { position: absolute; left: 0; right: 0; opacity: 0; color: #fff; font-weight: 700; font-size: 17px; text-shadow: 0 2px 6px rgba(0,0,0,.7), 0 0 2px #000; animation: scene 9s infinite; }
.sub1 { animation-delay: 0s; } .sub2 { animation-delay: 3s; } .sub3 { animation-delay: 6s; }
.rec-badge { position: absolute; top: 22px; right: 22px; z-index: 4; display: flex; align-items: center; gap: 6px; color: #fff; font-size: 11px; font-variant-numeric: tabular-nums; font-weight: 600; }
.rec { width: 8px; height: 8px; border-radius: 50%; background: var(--rec); display: inline-block; animation: blink 1.4s steps(1) infinite; }
@keyframes blink { 50% { opacity: .25; } }
.ai-tag { position: absolute; left: 16px; bottom: 22px; z-index: 2; color: rgba(255,255,255,.8); font-size: 10px; padding: 2px 6px; border: 1px solid rgba(255,255,255,.4); border-radius: 4px; }

.script-card { position: absolute; left: -8px; top: 236px; width: 210px; z-index: 5; background: var(--surface); border-radius: 14px; padding: 14px 14px 6px;
  box-shadow: 0 24px 50px -24px rgba(21,23,28,.45), 0 0 0 1px var(--line); }
.sc-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.sc-shot { border-top: 1px solid var(--line); padding: 8px 0; }
.sc-shot .tc { font-size: 11px; color: var(--mute); font-variant-numeric: tabular-nums; }
.sc-shot p { font-size: 14px; font-weight: 600; line-height: 1.45; }

.strip { margin-top: 26px; display: flex; align-items: center; background: var(--ink); border-radius: 12px; padding: 10px; gap: 0; }
.sf { width: 64px; height: 84px; border-radius: 6px; overflow: hidden; position: relative; background: #23262D; }
.sf i { position: absolute; inset: 0; opacity: 0; animation: develop .9s ease forwards; }
.sf1 i { background: linear-gradient(#1f2a3d, #0d1118); animation-delay: .6s; }
.sf2 i { background: linear-gradient(135deg, #4a3326, #170f0b); animation-delay: 1.8s; }
.sf3 i { background: linear-gradient(#f6ead9, #e2c29c); animation-delay: 3s; }
@keyframes develop { from { opacity: 0; filter: blur(6px); } to { opacity: 1; filter: none; } }
.sf .st { position: absolute; left: 4px; bottom: 4px; right: 4px; height: 16px; font-size: 10px; }
.sf .st b { position: absolute; left: 0; padding: 0 4px; border-radius: 3px; font-weight: 600; white-space: nowrap; opacity: 0; }
.sf .st .q { background: #3a3e46; color: #c9ccd2; opacity: 1; animation: hide .01s forwards; }
.sf .st .r { background: #5a4410; color: #ffd98a; animation: show .01s forwards, hide .01s forwards; }
.sf .st .d { background: #1f4d34; color: #9ff0c2; animation: show .01s forwards; }
.sf1 .q { animation-delay: .2s; } .sf1 .r { animation-delay: .2s, 1.2s; } .sf1 .d { animation-delay: 1.2s; }
.sf2 .q { animation-delay: 1.4s; } .sf2 .r { animation-delay: 1.4s, 2.4s; } .sf2 .d { animation-delay: 2.4s; }
.sf3 .q { animation-delay: 2.6s; } .sf3 .r { animation-delay: 2.6s, 3.6s; } .sf3 .d { animation-delay: 3.6s; }
@keyframes show { to { opacity: 1; } } @keyframes hide { to { opacity: 0; } }
.strip .link { width: 22px; height: 2px; background: #3a3e46; margin: 0 4px; }
.strip .link.chain { background: repeating-linear-gradient(90deg, #fff 0 5px, transparent 5px 8px); }

/* ---------- 分段 */
.sec { padding: 88px 0; }
.sec.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec h2 { margin-bottom: 14px; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: end; margin-bottom: 40px; }
.sec-head h2 { margin: 0; }
.sec-head p { color: var(--mute); font-size: 17px; max-width: 34em; }

.band { background: var(--ink); color: #fff; padding: 72px 0 80px; }
.band h2 { margin-bottom: 36px; }
.reel { list-style: none; margin: 0; padding: 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: #1E2026; border-radius: 16px; position: relative; }
.reel::before, .reel::after { content: ""; position: absolute; left: 16px; right: 16px; height: 6px; background: repeating-linear-gradient(90deg, #34373f 0 12px, transparent 12px 22px); }
.reel::before { top: 5px; } .reel::after { bottom: 5px; }
.reel li { padding: 26px 22px 24px; border-right: 1px dashed #3a3e46; }
.reel li:last-child { border-right: 0; }
.reel .no { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid #5a5e66; font-size: 14px; font-weight: 700; margin-bottom: 18px; font-variant-numeric: tabular-nums; }
.reel li:last-child .no { border-color: var(--rec); background: var(--rec); }
.reel h3 { font-size: 19px; margin-bottom: 10px; }
.reel p { color: #B9BDC4; font-size: 15px; line-height: 1.7; }

table.vs { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: 16px; }
.vs th { text-align: left; font-size: 14px; font-weight: 600; color: var(--mute); padding: 0 20px 12px 0; border-bottom: 2px solid var(--ink); }
.vs td { padding: 20px 20px 20px 0; border-bottom: 1px solid var(--line); vertical-align: top; width: 50%; line-height: 1.65; }
.vs td:first-child { color: var(--mute); text-decoration: line-through; text-decoration-color: rgba(100,105,115,.45); text-decoration-thickness: 1px; }
.vs td:last-child { font-weight: 600; }
.vs.sizes td { text-decoration: none; color: var(--ink); font-variant-numeric: tabular-nums; font-weight: 400; }

.tpl-cols { columns: 3 280px; column-gap: 40px; }
.tpl-group { break-inside: avoid; margin-bottom: 36px; }
.tpl-group h2, .tpl-group h3 { font-size: 17px; font-weight: 700; padding-bottom: 10px; border-bottom: 2px solid var(--ink); margin-bottom: 6px; }
.tpl-group ul, .rel { list-style: none; margin: 0; padding: 0; }
.tpl-group a, .rel a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.tpl-group a b, .rel a b { display: block; font-size: 16px; font-weight: 650; }
.tpl-group a span, .rel a span { display: block; font-size: 14px; color: var(--mute); }
.tpl-group a:hover b, .rel a:hover b { color: var(--cobalt); }

.split-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.lead-s { color: var(--ink-2); font-size: 17px; margin: 6px 0 22px; max-width: 32em; }
.ticks { list-style: none; padding: 0; margin: 0 0 28px; }
.ticks li { position: relative; padding: 8px 0 8px 28px; font-size: 15px; border-bottom: 1px solid var(--line); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 16px; width: 10px; height: 6px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg); }

/* 商详套图：一列竖排的详情页缩略 */
.detail-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 460px; justify-self: center; width: 100%; }
.dc { aspect-ratio: 3/4; border-radius: 10px; position: relative; overflow: hidden; display: flex; align-items: flex-start; padding: 12px; }
.dc span { font-weight: 800; font-size: 15px; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.35); position: relative; z-index: 1; }
.dc::after { content: ""; position: absolute; left: 50%; bottom: 14%; width: 28%; height: 46%; transform: translateX(-50%); border-radius: 10px 10px 8px 8px; background: linear-gradient(90deg, #2a170e, #5a3420 45%, #1e110a); box-shadow: 0 10px 18px -8px rgba(0,0,0,.5); }
.dc::before { content: ""; position: absolute; left: 50%; bottom: calc(14% + 14%); width: 22%; height: 12%; transform: translateX(-50%); background: #efe3cf; border-radius: 2px; z-index: 1; }
.dc1 { background: linear-gradient(#d8cdbb, #b9a68b); } .dc2 { background: linear-gradient(#b9cdbf, #8fae99); } .dc3 { background: linear-gradient(#bfc8e2, #8f9bc4); }
.dc4 { background: linear-gradient(#3a3d44, #1c1d21); } .dc5 { background: linear-gradient(#e8d9c4, #cdb08c); } .dc6 { background: linear-gradient(#cfe0b8, #9fbb7f); }
.dc7 { background: linear-gradient(#d9dde2, #aab2bd); } .dc8 { background: linear-gradient(90deg, #a9a4a0 50%, #e2cfa8 50%); } .dc9 { background: linear-gradient(#2a2c31, #111215); }
.dc4::after, .dc9::after { width: 40%; height: 58%; }

/* 复刻：左边原片四格，右边新片四格 */
.remake-vis { display: grid; grid-template-columns: 1fr 48px 1fr; align-items: center; gap: 8px; max-width: 480px; justify-self: center; width: 100%; }
.rv-src, .rv-out { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rv-src i, .rv-out i { aspect-ratio: 9/16; border-radius: 8px; display: block; }
.rv-src i { background: repeating-linear-gradient(135deg, #d6d8d4 0 6px, #e6e7e3 6px 12px); }
.rv-out i:nth-child(1) { background: linear-gradient(#1f2a3d, #0d1118); } .rv-out i:nth-child(2) { background: linear-gradient(135deg, #4a3326, #170f0b); }
.rv-out i:nth-child(3) { background: linear-gradient(#f6ead9, #e2c29c); } .rv-out i:nth-child(4) { background: linear-gradient(#bfc8e2, #8f9bc4); }
.rv-arrow { height: 2px; background: var(--ink); position: relative; }
.rv-arrow::after { content: ""; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left: 9px solid var(--ink); }

.markets { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 2px solid var(--ink); }
.markets li { padding: 22px 16px 22px 0; border-right: 1px solid var(--line); }
.markets li + li { padding-left: 18px; }
.markets li:last-child { border-right: 0; }
.markets b { display: block; font-size: 20px; font-weight: 750; }
.markets span { color: var(--mute); font-size: 15px; }

.plans-site { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border: 1.5px solid var(--ink); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.plan-s { padding: 30px 28px; display: flex; flex-direction: column; gap: 10px; border-right: 1px solid var(--line); }
.plan-s:last-child { border-right: 0; }
.plan-s.feat { background: var(--ink); color: #fff; }
.plan-s.feat .cr, .plan-s.feat .ticks li { color: #C9CCD2; border-color: #33363d; }
.plan-s.feat .ticks li::before { border-color: #fff; }
.plan-s.feat .btn-rec { background: #fff; color: var(--ink); }
.plan-s .amt { font-size: 46px; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.plan-s .cur { font-size: 22px; margin-right: 2px; vertical-align: 14px; }
.plan-s .cr { color: var(--mute); font-size: 14px; }
.plan-s .ticks { margin: 6px 0 auto; padding-bottom: 18px; }
.plan-s .btn-rec, .plan-s .btn-line { margin-top: 8px; }
.packs-line { margin-top: 18px; color: var(--mute); font-size: 14px; }

.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 2px solid var(--ink); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-size: 17px; font-weight: 650; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 28px; width: 10px; height: 10px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(-135deg); top: 32px; }
.faq details p { padding: 0 40px 22px 0; color: var(--ink-2); max-width: 44em; }

.final { background: var(--ink); color: #fff; padding: 64px 0; }
.final-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.final p { color: #B9BDC4; margin-top: 8px; }
.final .btn-rec { background: #fff; color: var(--ink); }

/* ---------- 内页 */
.page-head { padding: 48px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(30px, 4.4vw, 48px); max-width: 16em; }
.page-head .lead { font-size: 18px; color: var(--ink-2); max-width: 38em; margin: 16px 0 26px; }
.page-head .lead:last-child { margin-bottom: 0; }
.crumbs { display: flex; gap: 8px; font-size: 14px; color: var(--mute); margin-bottom: 18px; flex-wrap: wrap; }
.crumbs a { color: var(--mute); }
.beats { list-style: none; padding: 0; margin: 18px 0 44px; }
.beats li { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; font-weight: 600; }
.beats .no { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: 14px; flex: none; font-variant-numeric: tabular-nums; }
.body-p { font-size: 17px; color: var(--ink-2); margin: 10px 0 44px; }
.wrap.narrow h2 { margin-top: 8px; }
.rel { margin-top: 10px; }
.legal p { margin-bottom: 14px; color: var(--ink-2); }

/* ---------- 页脚 */
.foot { background: var(--surface); border-top: 1px solid var(--line); padding: 56px 0 28px; font-size: 14px; }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.foot-brand { display: grid; grid-template-columns: auto 1fr; gap: 10px 12px; align-items: center; }
.foot-brand b { font-size: 16px; }
.foot-brand p { grid-column: 1 / -1; color: var(--mute); max-width: 22em; }
.foot nav { display: flex; flex-direction: column; gap: 10px; }
.foot nav b { font-size: 14px; margin-bottom: 4px; }
.foot nav a, .foot nav span { color: var(--mute); text-decoration: none; }
.foot nav a:hover { color: var(--ink); }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; gap: 20px; flex-wrap: wrap; color: var(--faint); }
.foot-bottom a { color: var(--faint); text-decoration: none; }

/* ---------- 响应式 */
@media (max-width: 1000px) {
  .menu { display: none; }
  .hero-in, .split-in { grid-template-columns: 1fr; gap: 48px; }
  .split-in.rev > :first-child { order: 2; }
  .sec-head { grid-template-columns: 1fr; }
  .reel { grid-template-columns: 1fr 1fr; }
  .reel li:nth-child(2) { border-right: 0; }
  .reel li:nth-child(-n+2) { border-bottom: 1px dashed #3a3e46; }
  .markets { grid-template-columns: repeat(3, 1fr); }
  .markets li:nth-child(3) { border-right: 0; }
  .markets li:nth-child(4) { padding-left: 0; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .top-in { height: 60px; gap: 12px; }
  .acts { gap: 12px; }
  .acts .login { display: none; }
  .brand span { max-width: 9em; overflow: hidden; text-overflow: ellipsis; }
  .hero { padding: 32px 0 56px; }
  .hero .lead { font-size: 17px; }
  .cta-row .lg { width: 100%; }
  .script-card { display: none; }
  .phone { width: 250px; }
  .cover-cap { font-size: 21px; top: 56px; }
  .sec { padding: 64px 0; }
  .reel { grid-template-columns: 1fr; padding: 16px 12px; }
  .reel li { border-right: 0; border-bottom: 1px dashed #3a3e46; }
  .reel li:last-child { border-bottom: 0; }
  .vs td { display: block; width: auto; padding: 4px 0; border: 0; }
  .vs tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .vs thead { display: none; }
  .vs td:first-child { font-size: 14px; }
  .markets { grid-template-columns: 1fr 1fr; }
  .markets li, .markets li + li { padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .plan-s { border-right: 0; border-bottom: 1px solid var(--line); }
  .final-in .btn-rec { width: 100%; }
  .foot-in { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .scene.s2, .sub2 { opacity: 1; }
  .sf i { opacity: 1; }
  .sf .st .q, .sf .st .r { opacity: 0; } .sf .st .d { opacity: 1; }
}
