/* easepass 易度官网：参考法大大官网的企业 SaaS 风格——深海军蓝顶栏、蓝紫渐变主按钮、浅色拼贴卡片、居中粗标题与标签切换。品牌色 #002fa7。 */
:root {
  --navy: #020b2e;
  --navy-2: #0b1a4a;
  --ink: #141c3a;
  --ink-2: #3a4260;
  --muted: #6b7290;
  --line: #e6e9f2;
  --surface: #f4f7fc;
  --surface-2: #eaf0fb;
  --brand: #002fa7;
  --blue: #2f6bff;
  --violet: #8a63ff;
  --grad: linear-gradient(90deg, #2f6bff 0%, #6a6bff 55%, #9a6bff 100%);
  --grad-soft: linear-gradient(135deg, #eef3ff 0%, #f3efff 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --wrap: 1200px;
  --shadow: 0 16px 40px -20px rgba(20, 40, 110, .22);
  --ease: cubic-bezier(.22, .8, .24, 1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #fff; color: var(--ink); font: 400 16px/1.7 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ol, ul, dl, dd, figure { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.01em; }
ol, ul { padding: 0; list-style: none; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: var(--ink); color: #fff; }
.skip:focus { top: 12px; }
.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.muted { color: var(--muted); }

/* ------------------------------------------------------------ 按钮 */
.pill { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 28px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; font-size: 15px; font-weight: 500; white-space: nowrap; transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-color .2s, color .2s, border-color .2s; }
.pill:hover { transform: translateY(-2px); }
.pill-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.pill-dark, .pill-grad { background: var(--grad); color: #fff; box-shadow: 0 10px 24px -12px rgba(63, 90, 255, .7); }
.pill-dark:hover, .pill-grad:hover { box-shadow: 0 14px 30px -12px rgba(63, 90, 255, .85); }
.pill-ghost, .pill-outline { background: #fff; color: var(--ink); border-color: #1b2340; }
.pill-ghost:hover, .pill-outline:hover { background: var(--surface); }
.pill-light { background: #fff; color: var(--brand); }
.pill-smoke { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .35); }
.pill .arrow { transition: transform .3s var(--ease); }
.pill:hover .arrow { transform: translateX(3px); }
.tag { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 6px; background: var(--surface-2); font-size: 13px; color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; color: var(--blue); font-weight: 500; }
.link-arrow .arrow { transition: transform .3s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(3px); }
.round { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); cursor: pointer; background: #fff; font-size: 20px; line-height: 1; transition: border-color .2s, color .2s; }
.round:hover { border-color: var(--blue); color: var(--blue); }

/* ------------------------------------------------------------ 顶栏与导航 */
.topbar { background: var(--navy); color: rgba(255, 255, 255, .78); font-size: 13px; }
.topbar .wrap { height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar .promo { display: flex; align-items: center; gap: 10px; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .promo b { font-weight: 500; padding: 2px 8px; border-radius: 4px; background: var(--grad); color: #fff; font-size: 12px; }
.topbar nav { display: flex; gap: 22px; flex: none; }
.topbar a:hover { color: #fff; }
.nav { position: sticky; top: 0; z-index: 50; background: #fff; transition: box-shadow .3s; }
.nav.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 10px 30px -24px rgba(20, 40, 110, .4); }
.nav-inner { width: min(var(--wrap), 100% - 48px); margin-inline: auto; height: 72px; display: flex; align-items: center; gap: 44px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 28px; width: auto; }
.nav-links { display: flex; gap: 6px; align-items: center; height: 100%; }
.nav-item { position: relative; height: 100%; display: flex; align-items: center; }
.nav-links a.top, .nav-links > a { display: inline-flex; align-items: center; gap: 4px; padding: 8px 14px; font-size: 16px; color: var(--ink); border-radius: 8px; transition: color .2s; }
.nav-links a.top::after { content: ""; width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); margin-left: 4px; opacity: .6; transition: transform .3s var(--ease); }
.nav-item:hover a.top::after, .nav-item:focus-within a.top::after { transform: translateY(1px) rotate(-135deg); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--blue); }
.dropdown { position: absolute; top: calc(100% - 6px); left: -10px; min-width: 320px; padding: 14px; border-radius: var(--radius-md); background: #fff; box-shadow: 0 24px 60px -24px rgba(20, 40, 110, .35), 0 0 0 1px var(--line); opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s, transform .3s var(--ease), visibility 0s .3s; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; transition: opacity .25s, transform .3s var(--ease), visibility 0s; }
.dropdown a { display: block; padding: 12px 14px; border-radius: var(--radius-sm); transition: background-color .2s; }
.dropdown a:hover { background: var(--surface); }
.dropdown b { display: block; font-size: 15px; font-weight: 600; color: var(--ink); }
.dropdown small { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }
.nav-links .nav-cta-mobile { display: none; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.language-switch { display: inline-flex; align-items: center; justify-content: center; min-width: 58px; min-height: 44px; font-size: 14px; font-weight: 600; color: var(--blue); white-space: nowrap; }
html[lang=en] .nav-inner { gap: 20px; }
html[lang=en] .nav-links a.top, html[lang=en] .nav-links > a { padding-inline: 9px; font-size: 15px; }
html[lang=en] .nav-actions > .pill-outline { display: none; }
html[lang=en] .hero-slide h1, html[lang=en] .hero-slide h2 { text-wrap: balance; }
html[lang=en] .terminal pre { white-space: pre-wrap; overflow-wrap: anywhere; }
html[lang=en] .dock { width: 72px; }
html[lang=en] .dock a, html[lang=en] .dock button { font-size: 11px; }
html[lang=en] .tabs button { height: auto; min-height: 44px; white-space: normal; }
@media (max-width: 640px) {
  html[lang=en] .nav-actions > .pill-grad { display: none; }
  .nav-actions { gap: 8px; }
  html[lang=en] .hero-slide .actions .pill { padding-inline: 20px; }
  html[lang=en] .center-cta .pill { max-width: 100%; white-space: normal; height: auto; min-height: 48px; padding-block: 12px; text-align: center; }
}
@media (max-width: 380px) { .nav-actions > .pill-grad { display: none; } }
.menu-toggle { display: none; width: 40px; height: 40px; border: 0; border-radius: 10px; background: var(--surface); cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), top .3s var(--ease); }
.menu-toggle span:first-child { top: 15px; }
.menu-toggle span:last-child { top: 23px; }
.nav.menu-open .menu-toggle span:first-child { top: 19px; transform: rotate(45deg); }
.nav.menu-open .menu-toggle span:last-child { top: 19px; transform: rotate(-45deg); }

/* ------------------------------------------------------------ 首屏轮播 */
.hero { position: relative; background: linear-gradient(180deg, #eaf0ff 0%, #f1edff 60%, #fff 100%); overflow: hidden; padding-bottom: 72px; }
.hero::before { content: ""; position: absolute; width: 760px; aspect-ratio: 1; right: -120px; top: -260px; border-radius: 50%; background: radial-gradient(circle, rgba(138, 99, 255, .25), rgba(47, 107, 255, .08) 45%, transparent 70%); }
.hero-slides { position: relative; height: 520px; }
.hero-slide { position: absolute; inset: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 40px; opacity: 0; visibility: hidden; transition: opacity .7s var(--ease), visibility 0s .7s; }
.hero-slide.is-active { opacity: 1; visibility: visible; transition: opacity .7s var(--ease), visibility 0s; }
.hero-slide .kicker { font-size: 34px; font-weight: 600; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.01em; }
.hero-slide h1, .hero-slide h2 { font-size: clamp(34px, 3.6vw, 50px); line-height: 1.3; margin: 16px 0 18px; font-weight: 600; }
.hero-slide p { font-size: 18px; color: var(--ink-2); max-width: 520px; }
.hero-slide .actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-slide.is-active .copy > * { animation: rise .8s var(--ease) both; }
.hero-slide.is-active .copy > *:nth-child(2) { animation-delay: .06s; } .hero-slide.is-active .copy > *:nth-child(3) { animation-delay: .12s; } .hero-slide.is-active .copy > *:nth-child(4) { animation-delay: .18s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }
.hero-art { position: relative; height: 440px; }
.hero-art .orb { position: absolute; width: 360px; aspect-ratio: 1; right: 40px; top: 30px; border-radius: 50%; background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .95), rgba(170, 190, 255, .55) 30%, rgba(120, 110, 255, .55) 60%, rgba(70, 90, 230, .7) 100%); box-shadow: inset -30px -40px 80px rgba(40, 50, 180, .35), 0 40px 80px -30px rgba(80, 70, 220, .55); animation: bob 7s ease-in-out infinite; }
.hero-art .orb::after { content: ""; position: absolute; inset: 18% 22% auto auto; width: 34%; height: 18%; border-radius: 50%; background: rgba(255, 255, 255, .55); filter: blur(8px); transform: rotate(-30deg); }
.hero-art .glass { position: absolute; border-radius: 18px; background: rgba(255, 255, 255, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, .8); padding: 18px; }
.hero-art .g1 { left: 0; top: 70px; width: 330px; animation: bob 8s ease-in-out infinite; }
.hero-art .g2 { right: 0; bottom: 30px; width: 240px; animation: bob 9s ease-in-out infinite reverse; }
@keyframes bob { 50% { transform: translateY(-12px); } }
.glass h4 { font-size: 15px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.glass h4::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); }
.glass .line { height: 9px; border-radius: 6px; background: #e3e9f8; margin-top: 9px; }
.glass .line.s { width: 60%; } .glass .line.b { background: linear-gradient(90deg, #b9c9ff, #d7ccff); }
.glass .chips { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.glass .chips span { font-size: 12px; padding: 4px 10px; border-radius: 6px; background: #fff; color: var(--ink-2); }
.glass .big { font-size: 34px; font-weight: 700; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.glass .big small { font-size: 15px; margin-left: 4px; }
.glass p { font-size: 13px; color: var(--muted); margin-top: 6px; }
.hero-dots { position: relative; display: flex; gap: 8px; margin-top: -40px; }
.hero-dots button { width: 56px; height: 4px; padding: 0; border: 0; border-radius: 4px; background: rgba(47, 107, 255, .2); cursor: pointer; overflow: hidden; position: relative; }
.hero-dots button::after { content: ""; position: absolute; inset: 0; background: var(--blue); transform: scaleX(0); transform-origin: left; }
.hero-dots button[aria-current=true]::after { transform: scaleX(1); transition: transform 6s linear; }
.hero.no-auto .hero-dots button[aria-current=true]::after { transition: none; }
.value-card { position: relative; margin-top: 56px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 22px 26px; border-radius: var(--radius-lg); background: rgba(255, 255, 255, .86); backdrop-filter: blur(12px); box-shadow: var(--shadow); }
.value-card a { display: flex; align-items: center; gap: 16px; padding: 6px 10px; border-radius: var(--radius-sm); transition: background-color .2s; }
.value-card a:hover { background: var(--surface); }
.value-card .ic { flex: none; width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; background: var(--grad-soft); color: var(--blue); }
.value-card .ic svg { width: 26px; height: 26px; }
.value-card b { display: flex; align-items: center; gap: 6px; font-size: 18px; font-weight: 600; }
.value-card b::after { content: "›"; font-size: 22px; color: var(--muted); font-weight: 400; transition: transform .3s var(--ease); }
.value-card a:hover b::after { transform: translateX(3px); }
.value-card small { display: block; font-size: 14px; color: var(--muted); }

/* ------------------------------------------------------------ 区块与标题 */
.section { padding: 110px 0; }
.section.tint { background: var(--surface); }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(30px, 3.2vw, 44px); line-height: 1.35; font-weight: 700; }
.section-head .note { color: var(--muted); margin: 14px auto 0; max-width: 640px; font-size: 16px; }
.section-head.split { display: flex; text-align: left; justify-content: space-between; align-items: flex-end; gap: 32px; }
.section-head.split .note { margin: 12px 0 0; }
.eyebrow { font-size: 14px; color: var(--blue); margin-bottom: 12px; font-weight: 500; letter-spacing: .04em; }
.eyebrow.blue { color: var(--blue); }
.title-xl { font-size: clamp(30px, 3.2vw, 44px); line-height: 1.3; font-weight: 700; }
.title-lg { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.35; font-weight: 700; }
.lead-sm { margin-top: 16px; }
.center-cta { display: flex; justify-content: center; gap: 14px; margin-top: 48px; flex-wrap: wrap; }

/* 胶囊标签切换 */
.tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.tabs button { height: 44px; padding: 0 22px; border-radius: 999px; border: 0; background: var(--surface); color: var(--ink-2); font-size: 15px; cursor: pointer; transition: background-color .2s, color .2s; }
.tabs button:hover { color: var(--blue); }
.tabs button[aria-selected=true] { background: var(--navy); color: #fff; }
.section.tint .tabs button:not([aria-selected=true]) { background: #fff; }
.tab-note { text-align: center; color: var(--muted); font-size: 15px; margin-bottom: 32px; min-height: 1.7em; }
.tab-panel[hidden] { display: none; }
.tab-panel:not([hidden]) { animation: fade-in .5s var(--ease); }
@keyframes fade-in { from { opacity: 0; transform: translateY(10px); } }

/* 拼贴卡片 */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.tile { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--surface); padding: 26px 28px; min-height: 230px; display: flex; flex-direction: column; transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.section.tint .tile { background: #fff; }
.tile:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.tile.w2 { grid-column: span 2; } .tile.w3 { grid-column: span 3; } .tile.w4 { grid-column: span 4; }
.tile h3 { font-size: 19px; font-weight: 600; }
.tile > p { color: var(--muted); font-size: 14px; margin-top: 6px; max-width: 320px; }
.tile .stat { margin-top: auto; padding-top: 24px; }
.tile .stat b { font-size: 44px; line-height: 1; font-weight: 700; letter-spacing: -0.02em; }
.tile .stat b small { font-size: 16px; margin-left: 4px; font-weight: 600; }
.tile .stat span { display: block; font-size: 14px; color: var(--ink-2); margin-top: 8px; }
.tile .viz { position: absolute; right: 24px; top: 26px; width: 46%; }
.tile .link-arrow { margin-top: 18px; }
.mini { background: #fff; border-radius: 12px; box-shadow: 0 10px 26px -16px rgba(20, 40, 110, .35); padding: 14px; font-size: 12px; color: var(--ink-2); }
.mini + .mini { margin-top: 10px; }
.mini .row { display: flex; align-items: center; gap: 8px; }
.mini .row + .row { margin-top: 8px; }
.mini .bar { flex: 1; height: 7px; border-radius: 5px; background: #e6ecf8; }
.mini .bar.b { background: linear-gradient(90deg, #b9c9ff, #d7ccff); }
.mini .ok { width: 16px; height: 16px; border-radius: 50%; background: var(--blue); flex: none; position: relative; }
.mini .ok::after { content: ""; position: absolute; left: 5px; top: 3px; width: 4px; height: 7px; border-right: 1.6px solid #fff; border-bottom: 1.6px solid #fff; transform: rotate(45deg); }
.mini .btn { padding: 3px 10px; border-radius: 6px; background: var(--blue); color: #fff; font-size: 11px; flex: none; }
.mini .chip { padding: 3px 10px; border-radius: 6px; background: var(--surface-2); font-size: 11px; flex: none; }
.mini .chip.on { background: var(--blue); color: #fff; }
.mini .dot { width: 26px; height: 26px; border-radius: 50%; background: var(--grad-soft); flex: none; }
.mini .toggle { margin-left: auto; width: 30px; height: 17px; border-radius: 9px; background: var(--blue); position: relative; flex: none; }
.mini .toggle::after { content: ""; position: absolute; right: 2px; top: 2px; width: 13px; height: 13px; border-radius: 50%; background: #fff; }

/* 方案：标签切换 + 大卡片 */
.scene { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; }
.scene-main { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 420px; padding: 32px; color: #fff; isolation: isolate; display: flex; flex-direction: column; }
.scene-main::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(115deg, rgba(2, 11, 46, .94) 0%, rgba(11, 26, 74, .78) 42%, rgba(47, 107, 255, .2) 100%); }
.scene-main .art { z-index: -2; }
.scene-main .art .mock { left: 72%; }
.scene-main h3 { font-size: 24px; }
.scene-main > p { color: rgba(255, 255, 255, .78); margin-top: 8px; max-width: 420px; }
.scene-main .link-arrow { color: #fff; margin-top: 18px; }
.scene-main .feats { margin-top: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.scene-main .feats span { min-width: 92px; max-width: 160px; padding: 14px 14px 12px; border-radius: 12px; background: rgba(255, 255, 255, .94); color: var(--ink); font-size: 13px; line-height: 1.5; }
.scene-main .feats span i { display: block; font-style: normal; font-size: 12px; color: var(--blue); margin-bottom: 4px; font-weight: 600; }
.scene-side { display: grid; gap: 16px; }
.scene-side .tile { min-height: 0; }
.scene-side .tile small { font-size: 13px; color: var(--blue); font-weight: 500; }
.scene-side .tile h3 { margin-top: 8px; }

/* 流程时间线 */
.timeline { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 4%; right: 4%; top: 22px; height: 2px; background: linear-gradient(90deg, #c9d6ff, #d9ccff); }
.timeline li { position: relative; text-align: center; }
.timeline li > span { position: relative; display: grid; place-items: center; width: 46px; height: 46px; margin: 0 auto 18px; border-radius: 50%; background: #fff; border: 2px solid #c9d6ff; color: var(--blue); font-weight: 700; font-size: 14px; transition: background-color .3s, color .3s, border-color .3s; }
.timeline li:hover > span { background: var(--grad); color: #fff; border-color: transparent; }
.timeline h3 { font-size: 17px; }
.timeline p { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* 技术：清单 + 深色面板 */
.tech-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 16px; }
.checks { border-radius: var(--radius-lg); background: var(--surface); padding: 30px; display: grid; gap: 22px; }
.checks li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; }
.checks li::before { content: ""; width: 22px; height: 22px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 8.3 2.6 2.6L12 5.6' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; margin-top: 3px; }
.checks b { font-size: 17px; font-weight: 600; }
.checks p { font-size: 14px; color: var(--muted); margin-top: 4px; }
.terminal { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, #020b2e 0%, #0d1550 60%, #2a1f6b 100%); color: #cdd6ff; padding: 30px; display: flex; flex-direction: column; justify-content: center; min-height: 380px; }
.terminal::after { content: ""; position: absolute; width: 420px; aspect-ratio: 1; right: -120px; bottom: -200px; border-radius: 50%; background: radial-gradient(circle, rgba(138, 99, 255, .45), transparent 65%); }
.terminal pre { position: relative; z-index: 1; margin: 0; font: 14px/2 "SF Mono", Menlo, Consolas, monospace; white-space: pre-wrap; }
.terminal .c { color: #7f8bc4; } .terminal .g { color: #7fe0a8; } .terminal .k { color: #9db3ff; }

/* 深色特色带 */
.navy-band { background: var(--navy); color: #fff; padding: 110px 0; position: relative; overflow: hidden; }
.navy-band::before { content: ""; position: absolute; width: 900px; aspect-ratio: 1; left: 50%; top: -620px; margin-left: -450px; border-radius: 50%; background: radial-gradient(circle, rgba(47, 107, 255, .35), transparent 65%); }
.navy-band .section-head { position: relative; }
.navy-band .section-head h2 { color: #fff; }
.navy-band .section-head .note { color: rgba(255, 255, 255, .7); }
.navy-band .link-arrow { color: #8fb0ff; }
.principles { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin-top: 56px; }
.principles .ic { width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .25); display: grid; place-items: center; color: #9db3ff; margin-bottom: 18px; }
.principles .ic svg { width: 22px; height: 22px; }
.principles h3 { font-size: 18px; color: #fff; }
.principles p { color: rgba(255, 255, 255, .62); font-size: 14px; margin-top: 8px; }
.badges { position: relative; display: flex; justify-content: center; flex-wrap: wrap; gap: 36px; margin-top: 64px; }
.badges li { text-align: center; width: 140px; }
.badges .ring { width: 96px; height: 96px; margin: 0 auto 14px; border-radius: 50%; background: #fff; display: grid; place-items: center; color: var(--blue); box-shadow: 0 0 0 6px rgba(255, 255, 255, .1); }
.badges .ring svg { width: 40px; height: 40px; }
.badges span { font-size: 14px; color: rgba(255, 255, 255, .78); }

/* 案例展示 */
.case-track { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 16px; }
.case-tile { position: relative; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); min-height: 460px; transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.case-tile:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.case-tile .art-box { position: relative; flex: 1; min-height: 280px; }
.case-tile .info { padding: 22px 24px; background: #fff; }
.case-tile:first-child .info { background: var(--brand); color: #fff; }
.case-tile:first-child .info small, .case-tile:first-child .info p { color: rgba(255, 255, 255, .75); }
.case-tile:first-child .info .link-arrow { color: #fff; }
.case-tile small { font-size: 13px; color: var(--muted); }
.case-tile h3 { font-size: 20px; margin: 6px 0 6px; }
.case-tile p { font-size: 14px; color: var(--muted); }
.case-tile .link-arrow { margin-top: 10px; font-size: 14px; }

/* 示例界面（服务、案例共用） */
.art { position: absolute; inset: 0; overflow: hidden; }
.art i.blob { position: absolute; border-radius: 50%; }
.art-lavender { background: linear-gradient(135deg, #eef1ff, #e3e8ff); }
.art-lavender i.blob:nth-child(1) { width: 70%; aspect-ratio: 1; right: -16%; top: -36%; background: radial-gradient(circle, rgba(47, 107, 255, .35), transparent 68%); }
.art-lavender i.blob:nth-child(2) { width: 50%; aspect-ratio: 1; left: 10%; bottom: -36%; background: radial-gradient(circle, rgba(138, 99, 255, .3), transparent 68%); }
.art-sand { background: linear-gradient(135deg, #fbf6ee, #f0e6d6); }
.art-sand i.blob:nth-child(1) { width: 66%; aspect-ratio: 1; right: -14%; top: -30%; background: radial-gradient(circle, rgba(255, 176, 46, .35), transparent 68%); }
.art-sand i.blob:nth-child(2) { width: 46%; aspect-ratio: 1; left: 10%; bottom: -32%; background: radial-gradient(circle, rgba(255, 120, 120, .22), transparent 68%); }
.art-mint { background: linear-gradient(135deg, #eef7f3, #dfeee7); }
.art-mint i.blob:nth-child(1) { width: 66%; aspect-ratio: 1; right: -14%; top: -30%; background: radial-gradient(circle, rgba(31, 182, 255, .3), transparent 68%); }
.art-mint i.blob:nth-child(2) { width: 46%; aspect-ratio: 1; left: 10%; bottom: -32%; background: radial-gradient(circle, rgba(64, 170, 110, .3), transparent 68%); }
.mock { position: absolute; left: 50%; top: 50%; width: 420px; transform: translate(-50%, -50%) scale(.82) rotate(-2deg); z-index: 1; transition: transform .6s var(--ease); }
.mock.mock-mobile { width: auto; transform: translate(-50%, -50%) scale(.72) rotate(6deg); }
.mock-card { background: #fff; border-radius: 16px; padding: 18px; box-shadow: 0 24px 50px -24px rgba(20, 40, 110, .4); }
.screen-head { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; margin-bottom: 14px; white-space: nowrap; }
.screen-head .dot { flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(47, 107, 255, .14); }
.screen-head em { margin-left: auto; font-style: normal; font-size: 11px; font-weight: 500; color: var(--muted); background: var(--surface); padding: 3px 9px; border-radius: 6px; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpis div { background: var(--surface); border-radius: 10px; padding: 10px 12px; }
.kpis small { display: block; color: var(--muted); font-size: 12px; }
.kpis b { font-size: 22px; font-weight: 700; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 100px; margin: 16px 0 12px; }
.bars i { flex: 1; height: var(--h); border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, #2f6bff, #c8d4ff); }
.rows li { display: flex; align-items: center; gap: 10px; padding: 9px 2px; border-top: 1px solid var(--line); font-size: 13px; white-space: nowrap; }
.rows li b { margin-left: auto; font-weight: 500; color: var(--blue); font-size: 12px; }
.rows .bar { flex: none; width: 70px; height: 4px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.rows .bar i { display: block; height: 100%; background: var(--blue); }
.browser { border-radius: 14px; background: #faf8f3; border: 1px solid #ece6d9; overflow: hidden; box-shadow: 0 24px 50px -24px rgba(80, 60, 30, .35); }
.browser-bar { display: flex; justify-content: space-between; padding: 11px 16px; border-bottom: 1px solid #e6dfd2; font-size: 11px; letter-spacing: .12em; color: #6d6455; font-family: Georgia, "Songti SC", serif; }
.browser-body { display: grid; grid-template-columns: 1.1fr 1fr; gap: 10px; padding: 22px 18px; align-items: center; }
.browser-body small { font-size: 11px; color: #9d9281; letter-spacing: .2em; }
.browser-body h4 { font: 400 24px/1.5 "Songti SC", Georgia, serif; color: #4f463a; margin: 8px 0 10px; }
.browser-body span { font-size: 12px; color: #847763; }
.objects { position: relative; height: 150px; }
.objects i { position: absolute; display: block; box-shadow: inset -12px 0 18px rgba(0, 0, 0, .05), 6px 12px 18px rgba(84, 70, 50, .1); }
.objects i:nth-child(1) { width: 62px; height: 104px; left: 42%; top: 8px; border-radius: 45% 45% 15% 15%; background: #c5b696; transform: rotate(8deg); }
.objects i:nth-child(2) { width: 50px; height: 60px; left: 18%; bottom: 8px; border-radius: 12% 12% 35% 35%; background: #ddd5c4; }
.objects i:nth-child(3) { width: 40px; height: 40px; left: 72%; bottom: 6px; border-radius: 50%; background: #898f78; }
.phone { position: relative; width: 210px; height: 410px; border-radius: 34px; background: #fcfdfb; border: 6px solid #fff; box-shadow: 0 24px 40px -18px rgba(29, 76, 52, .35); overflow: hidden; padding: 30px 14px 14px; }
.phone::before { content: ""; position: absolute; top: 8px; left: 50%; width: 60px; height: 14px; margin-left: -30px; border-radius: 10px; background: #27322b; }
.phone h4 { font-size: 22px; font-weight: 600; color: #34523e; margin: 6px 0 12px; }
.phone small { font-size: 11px; color: #8a9a8c; }
.phone .feature { height: 110px; border-radius: 14px; background: #e4ecdf; padding: 12px; font-size: 14px; line-height: 1.6; color: #577051; }
.phone .cats { display: flex; justify-content: space-between; margin: 14px 0; }
.phone .cats i { width: 40px; height: 40px; border-radius: 12px; background: #eef3ea; }
.phone .slot { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-radius: 12px; background: #f1f5ee; font-size: 12px; color: #41543e; }
.phone .slot b { font-weight: 500; color: #4c7a46; }
.demo-badge { position: absolute; left: 18px; top: 18px; z-index: 2; font-size: 12px; padding: 4px 10px; border-radius: 6px; background: rgba(255, 255, 255, .92); color: var(--ink-2); }

/* 文章 */
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.article-card { display: flex; flex-direction: column; min-width: 0; padding: 28px; border-radius: var(--radius-lg); background: var(--surface); transition: box-shadow .35s var(--ease), transform .35s var(--ease), background-color .3s; }
.section.tint .article-card { background: #fff; }
.article-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); background: #fff; }
.article-card .meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); }
.article-card .meta .tag { background: #fff; color: var(--blue); }
.section.tint .article-card .meta .tag { background: var(--surface-2); }
.article-card h3 { font-size: 20px; line-height: 1.55; margin: 28px 0 10px; }
.article-card p { color: var(--muted); font-size: 14px; flex: 1; }
.article-card .more { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.article-card .more .arrow { color: var(--blue); }

/* 渐变转化条（首页与内页共用） */
.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 56px; border-radius: 24px; background: linear-gradient(120deg, #1f4fe0 0%, #4a5cff 50%, #8a63ff 100%); color: #fff; margin-block: 110px; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; width: 420px; aspect-ratio: 1; right: -120px; top: -200px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .22), transparent 65%); }
.cta-band .eyebrow { color: rgba(255, 255, 255, .78); }
.cta-band h2 { font-size: clamp(24px, 2.6vw, 34px); position: relative; }
.cta-band p { color: rgba(255, 255, 255, .82); margin-top: 8px; max-width: 560px; position: relative; }
.cta-band .acts { display: flex; gap: 12px; position: relative; flex: none; flex-wrap: wrap; }
.cta-band .pill { flex: none; background: #fff; color: var(--brand); box-shadow: none; position: relative; border-color: transparent; }
.cta-band .pill.pill-smoke { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .4); }

/* 悬浮咨询 */
.dock { position: fixed; right: 18px; bottom: 120px; z-index: 40; display: flex; flex-direction: column; gap: 10px; }
.dock a, .dock button { width: 52px; padding: 10px 0; border-radius: 26px; border: 0; background: #fff; box-shadow: 0 10px 30px -12px rgba(20, 40, 110, .45); display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 12px; line-height: 1.3; color: var(--ink-2); cursor: pointer; transition: color .2s, transform .3s var(--ease), opacity .3s; }
.dock a:hover, .dock button:hover { color: var(--blue); transform: translateY(-2px); }
.dock .primary { background: var(--grad); color: #fff; }
.dock .primary:hover { color: #fff; }
.dock svg { width: 20px; height: 20px; }
.dock .to-top { opacity: 0; pointer-events: none; }
.dock .to-top.show { opacity: 1; pointer-events: auto; }

/* 页脚 */
.footer { background: var(--navy); color: rgba(255, 255, 255, .72); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; }
.footer-brand img { height: 30px; width: auto; filter: brightness(0) invert(1); }
.footer-slogan { font-size: 20px; color: #fff; margin-top: 20px; font-weight: 600; }
.footer-brand p { font-size: 14px; margin-top: 8px; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; font-size: 14px; }
.footer-col b { font-weight: 600; color: #fff; margin-bottom: 6px; font-size: 15px; }
.footer-col a:hover { color: #fff; }
.footer-col .footer-phone { color: #fff; font-size: 24px; font-weight: 600; letter-spacing: .02em; }
.footer-products { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 32px; margin-top: 40px; font-size: 14px; }
.footer-products a { display: inline-flex; align-items: center; min-height: 44px; color: rgba(255, 255, 255, .9); }
.footer-products a:hover { color: #fff; }
.footer-bottom { margin-top: 24px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .65); }
.footer-bottom nav { display: flex; align-items: center; gap: 8px 22px; flex-wrap: wrap; }
.footer-bottom a:hover { color: #fff; }

/* ------------------------------------------------------------ 内页 */
.page-hero { padding: 72px 0; background: linear-gradient(180deg, #eaf0ff 0%, #f3efff 70%, #fff 100%); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; width: 640px; aspect-ratio: 1; right: -160px; top: -300px; border-radius: 50%; background: radial-gradient(circle, rgba(138, 99, 255, .22), transparent 68%); }
.page-hero .wrap { position: relative; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 36px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: #b0b7cc; }
.breadcrumbs a:hover { color: var(--blue); }
.page-hero h1 { font-size: clamp(32px, 4vw, 54px); line-height: 1.25; font-weight: 700; max-width: 900px; }
.page-hero h1 span { display: block; }
.page-hero .lead { max-width: 680px; margin-top: 18px; font-size: 18px; color: var(--ink-2); }
.page-hero .tags { margin-top: 24px; }
.page-hero .tags .tag { background: #fff; }
.page-hero .actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.notice { margin-top: 28px; max-width: 760px; padding: 16px 20px; border-radius: var(--radius-md); background: #fff; box-shadow: inset 0 0 0 1px #d8e1fb; color: #24408f; font-size: 15px; }
.notice b { display: block; font-weight: 600; margin-bottom: 4px; }
.section.flush-top { padding-top: 56px; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { position: relative; display: flex; flex-direction: column; align-items: flex-start; padding: 32px; border-radius: var(--radius-lg); background: var(--surface); transition: box-shadow .35s var(--ease), transform .35s var(--ease), background-color .3s; min-width: 0; }
a.card:hover { background: #fff; transform: translateY(-3px); box-shadow: var(--shadow); }
.card .num { font-size: 13px; color: var(--blue); font-weight: 600; }
.card h2, .card h3 { font-size: 22px; line-height: 1.4; margin: 20px 0 10px; }
.card h3.flush { margin-top: 0; }
.card p { color: var(--muted); font-size: 15px; }
.card .tags { margin-top: 20px; }
.card .tags .tag { background: #fff; }
.card .link-arrow { margin-top: 24px; }
.card.plain { background: #fff; box-shadow: 0 0 0 1px var(--line); }
.two-col { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }
.big-text { font-size: clamp(20px, 2vw, 26px); line-height: 1.6; font-weight: 600; }
.check-list li { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
.check-list li::before { content: ""; flex: none; width: 22px; height: 22px; margin-top: 3px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 8.3 2.6 2.6L12 5.6' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
.line-list li { display: grid; grid-template-columns: 70px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
.line-list li > span { color: var(--blue); font-size: 13px; padding-top: 4px; font-weight: 600; }
.line-list h3 { font-size: 19px; margin-bottom: 6px; }
.line-list h3 a:hover { color: var(--blue); }
.line-list p { color: var(--muted); }
.step-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.step-grid li { border-radius: var(--radius-md); background: var(--surface); padding: 22px; }
.section.tint .step-grid li { background: #fff; }
.step-grid span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff; font-size: 13px; font-weight: 600; }
.step-grid h3 { font-size: 17px; margin: 14px 0 6px; }
.step-grid p { color: var(--muted); font-size: 14px; }
.row-links li a { display: grid; grid-template-columns: 60px minmax(0, 1fr) minmax(0, 1fr) 32px; gap: 28px; padding: 32px; border-radius: var(--radius-lg); background: var(--surface); margin-bottom: 14px; transition: box-shadow .35s var(--ease), transform .35s var(--ease), background-color .3s; align-items: start; }
.row-links li a:hover { background: #fff; box-shadow: var(--shadow); transform: translateY(-2px); }
.row-links .num { color: var(--blue); font-size: 14px; font-weight: 700; padding-top: 6px; }
.row-links h2 { font-size: 24px; }
.row-links p { color: var(--muted); }
.row-links .problem small { display: block; color: var(--blue); font-size: 13px; margin-bottom: 6px; font-weight: 500; }
.row-links .problem .tags { margin-top: 14px; }
.row-links .problem .tag { background: #fff; }
.row-links .arrow { font-size: 22px; color: var(--blue); transition: transform .3s var(--ease); }
.row-links li a:hover .arrow { transform: translateX(3px); }
.boundary { margin-top: 32px; padding: 24px 28px; border-radius: var(--radius-md); background: var(--grad-soft); border-left: 3px solid var(--blue); }
.boundary h3 { font-size: 16px; color: var(--blue); margin-bottom: 6px; }
.boundary p { color: var(--ink-2); }
.facts { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.facts div { padding: 18px; border-radius: var(--radius-md); background: var(--surface); }
.facts dt { font-size: 13px; color: var(--muted); }
.facts dd { margin-top: 6px; font-size: 15px; font-weight: 600; }
.story { margin-top: 24px; }
.story section { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; padding: 44px 0; border-top: 1px solid var(--line); }
.story h2 { font-size: 24px; }
.story p { font-size: 17px; line-height: 1.95; color: var(--ink-2); }
.case-hero-art { position: relative; height: min(48vw, 520px); min-height: 340px; border-radius: var(--radius-lg); overflow: hidden; }
.case-hero-art .mock { transform: translate(-50%, -50%) scale(1) rotate(-2deg); }
.case-hero-art .mock.mock-mobile { transform: translate(-50%, -50%) scale(.95) rotate(6deg); }
.case-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.case-card { display: block; min-width: 0; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.section.tint .case-card { background: #fff; }
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.case-card .art-box { position: relative; height: 260px; overflow: hidden; }
.case-card .art-box .mock { transform: translate(-50%, -50%) scale(.7) rotate(-2deg); }
.case-card .art-box .mock.mock-mobile { transform: translate(-50%, -50%) scale(.56) rotate(6deg); }
.case-card small, .case-card h3, .case-card p, .case-card .tags { margin-inline: 22px; }
.case-card small { display: block; margin-top: 20px; font-size: 13px; color: var(--muted); }
.case-card h3 { font-size: 20px; margin-top: 6px; margin-bottom: 6px; }
.case-card:hover h3 { color: var(--blue); }
.case-card p { color: var(--muted); font-size: 14px; }
.case-card .tags { margin-top: 14px; margin-bottom: 22px; }
.case-card .tags .tag { background: var(--surface-2); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.filters button { height: 40px; padding: 0 20px; border-radius: 999px; border: 0; background: var(--surface); cursor: pointer; font-size: 15px; color: var(--ink-2); transition: background-color .2s, color .2s; }
.filters button[aria-pressed=true] { background: var(--navy); color: #fff; }
.filter-count { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
[data-filter-item][hidden] { display: none !important; }
.faq-list details { border-radius: var(--radius-md); background: var(--surface); margin-bottom: 12px; padding: 0 24px; }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; font-size: 17px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 24px; font-weight: 300; color: var(--blue); transition: transform .3s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--muted); padding: 0 0 20px; }
.prose { max-width: 780px; margin-inline: auto; }
.prose section { padding: 28px 0; border-top: 1px solid var(--line); }
.prose section:first-child { border-top: 0; padding-top: 0; }
.prose h2 { font-size: 22px; margin-bottom: 14px; }
.prose p, .prose li { font-size: 17px; line-height: 1.95; color: var(--ink-2); }
.prose p + p { margin-top: 14px; }
.prose ul { list-style: disc; padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.back-link { margin-top: 40px; }
.article-head .meta { display: flex; gap: 16px; margin-top: 20px; color: var(--muted); font-size: 15px; }

/* 联系表单 */
.contact-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px; align-items: start; }
.contact-aside { position: sticky; top: 120px; }
.contact-aside h2 { font-size: 26px; }
.contact-aside > p { color: var(--muted); margin-top: 10px; }
.contact-steps { margin-top: 28px; display: grid; gap: 12px; }
.contact-steps li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 18px; border-radius: var(--radius-md); background: var(--surface); }
.contact-steps span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--grad); color: #fff; font-size: 13px; font-weight: 600; }
.contact-steps h3 { font-size: 16px; }
.contact-steps p { color: var(--muted); font-size: 14px; }
.contact-info { margin-top: 24px; display: grid; gap: 8px; font-size: 15px; }
.contact-info a { color: var(--blue); word-break: break-all; }
.form-card { padding: clamp(26px, 4vw, 44px); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow), 0 0 0 1px var(--line); }
.form-card h2 { font-size: 22px; }
.form-card > p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 26px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field > label, .field > legend { font-size: 14px; font-weight: 600; color: var(--ink); padding: 0; }
.field .hint { font-size: 13px; color: var(--muted); font-weight: 400; }
.control { width: 100%; min-height: 46px; padding: 11px 14px; border-radius: 10px; border: 1px solid #d9dfec; background: #fff; font-size: 15px; transition: border-color .2s, box-shadow .2s; }
.control::placeholder { color: #a0a7bc; }
.control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47, 107, 255, .14); }
.control[aria-invalid=true] { border-color: #d0354c; }
textarea.control { min-height: 150px; resize: vertical; line-height: 1.8; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; cursor: pointer; }
.chips input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chips span { display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 8px; border: 1px solid #d9dfec; font-size: 14px; color: var(--ink-2); transition: background-color .2s, color .2s, border-color .2s; }
.chips input:checked + span { background: var(--surface-2); border-color: var(--blue); color: var(--blue); }
.chips input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); font-weight: 400 !important; }
.consent input { margin-top: 5px; accent-color: var(--blue); width: 16px; height: 16px; }
.consent a { color: var(--blue); }
.field-error { font-size: 13px; color: #c42a43; }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 26px; }
.form-status { margin-top: 18px; padding: 16px 18px; border-radius: 12px; background: var(--grad-soft); color: #24408f; font-size: 15px; }
.form-status.is-error { background: #fff0f2; color: #9a2033; }
.form-status pre { margin: 10px 0 0; white-space: pre-wrap; font: inherit; font-size: 14px; color: var(--ink-2); background: #fff; border-radius: 10px; padding: 12px 14px; max-height: 260px; overflow: auto; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.status-page { min-height: 60svh; display: grid; place-items: center; text-align: center; padding: 100px 0; background: linear-gradient(180deg, #eaf0ff, #fff); }
.status-page h1 { font-size: clamp(72px, 12vw, 150px); line-height: 1; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.status-page p { color: var(--muted); margin: 16px 0 30px; font-size: 18px; }

.toast { position: fixed; left: 50%; bottom: 32px; z-index: 80; transform: translateX(-50%); padding: 12px 20px; border-radius: 10px; background: var(--navy); color: #fff; font-size: 15px; box-shadow: 0 20px 40px -18px rgba(0, 0, 0, .5); max-width: calc(100% - 32px); }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------------ 响应式 */
@media (max-width: 1100px) {
  .bento .tile.w2 { grid-column: span 3; } .bento .tile.w4 { grid-column: span 6; }
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 28px; }
  .timeline::before { display: none; }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-track { grid-template-columns: 1fr 1fr; }
  .case-track .case-tile:first-child { grid-column: 1 / -1; }
  .article-grid, .case-cards, .card-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .nav-inner { gap: 20px; }
  .nav-links a.top, .nav-links > a { padding: 8px 10px; font-size: 15px; }
}
@media (max-width: 960px) {
  .topbar .promo span { display: none; }
  .nav-links { position: fixed; top: 112px; left: 16px; right: 16px; height: auto; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 18px; border-radius: 16px; background: #fff; box-shadow: 0 24px 50px -20px rgba(20, 40, 110, .4); opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .3s, transform .3s var(--ease); max-height: calc(100svh - 140px); overflow: auto; }
  .nav.is-scrolled .nav-links { top: 84px; }
  .nav-item { height: auto; display: block; }
  .nav-links a.top, .nav-links > a { display: flex; padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-links a.top::after { display: none; }
  .dropdown { display: none; }
  .nav-links .nav-cta-mobile { display: flex; color: var(--blue); border-bottom: 0; }
  .nav.menu-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .menu-toggle { display: block; }
  .nav-actions .pill-outline { display: none; }
  .hero-slides { height: auto; display: grid; }
  .hero-slide { position: relative; grid-area: 1 / 1; grid-template-columns: 1fr; padding-top: 40px; gap: 16px; }
  .hero-art { height: 300px; }
  .hero-art .orb { width: 240px; right: 10%; }
  .hero-art .g1 { width: 270px; top: 40px; }
  .hero-art .g2 { width: 200px; bottom: 0; }
  .hero-dots { margin-top: 16px; }
  .value-card { grid-template-columns: 1fr; }
  .bento .tile.w2, .bento .tile.w3 { grid-column: span 6; }
  .scene, .tech-split, .two-col, .contact-grid, .story section { grid-template-columns: 1fr; gap: 24px; }
  .contact-aside { position: static; }
  .section-head.split { flex-direction: column; align-items: flex-start; }
  .row-links li a { grid-template-columns: 40px 1fr 24px; }
  .row-links .problem { grid-column: 2 / 3; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap, .nav-inner { width: calc(100% - 32px); }
  .topbar nav a:not(:last-child) { display: none; }
  .nav-inner { height: 64px; }
  .nav-links { top: 104px; }
  .nav.is-scrolled .nav-links { top: 76px; }
  .brand img { height: 24px; }
  .nav-actions .pill-grad { height: 36px; padding: 0 14px; font-size: 13px; }
  .hero-slide .kicker { font-size: 24px; }
  .hero-slide p { font-size: 16px; }
  .hero-art { height: 250px; }
  .hero-art .orb { width: 190px; right: 4%; top: 20px; }
  .hero-art .g1 { width: 230px; top: 30px; padding: 14px; }
  .hero-art .g2 { width: 170px; padding: 14px; }
  .glass .big { font-size: 26px; }
  .section, .navy-band { padding: 72px 0; }
  .section-head { margin-bottom: 26px; }
  .tabs { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: -16px; padding-inline: 16px; }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs button { flex: none; height: 40px; padding: 0 18px; font-size: 14px; }
  .tile { min-height: 0; padding: 22px; }
  .tile .viz { position: static; width: 100%; margin-top: 18px; }
  .tile .stat b { font-size: 36px; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .principles { grid-template-columns: 1fr; gap: 24px; }
  .badges { gap: 18px; }
  .badges li { width: 120px; }
  .case-track, .article-grid, .case-cards, .card-grid, .card-grid.three, .step-grid { grid-template-columns: 1fr; }
  .case-tile { min-height: 380px; }
  .mock { transform: translate(-50%, -50%) scale(.64) rotate(-2deg); }
  .mock.mock-mobile { transform: translate(-50%, -50%) scale(.56) rotate(6deg); }
  .case-card .art-box .mock { transform: translate(-50%, -50%) scale(.6) rotate(-2deg); }
  .case-hero-art .mock { transform: translate(-50%, -50%) scale(.66) rotate(-2deg); }
  .scene-main { min-height: 380px; padding: 24px; }
  .scene-main .art .mock { left: 60%; }
  .card { padding: 24px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .page-hero { padding: 44px 0 52px; }
  .breadcrumbs ol { margin-bottom: 24px; }
  .row-links li a { grid-template-columns: 1fr 24px; padding: 24px; gap: 12px; }
  .row-links .num { display: none; }
  .row-links .problem { grid-column: 1 / 2; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { margin-block: 72px; }
  .line-list li { grid-template-columns: 50px 1fr; }
  .dock { right: 10px; bottom: 90px; }
  .dock a, .dock button { width: 46px; font-size: 11px; }
  .footer-grid { gap: 28px; }
  .footer-grid > .footer-col:last-child { grid-column: 1 / -1; }
  .footer-col .footer-phone { white-space: nowrap; }
  .footer-products { align-items: flex-start; gap: 4px 24px; }
  .footer-bottom nav { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}
.tile:has(.viz) > h3, .tile:has(.viz) > p { max-width: 50%; }
@media (max-width: 640px) { .tile:has(.viz) > h3, .tile:has(.viz) > p { max-width: none; } }
.cap-title { position: relative; text-align: center; margin-top: 72px; color: rgba(255, 255, 255, .6); font-size: 14px; letter-spacing: .1em; }
.cap-pills { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }
.cap-pills a { display: inline-flex; align-items: center; height: 42px; padding: 0 20px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); color: rgba(255, 255, 255, .86); font-size: 15px; transition: background-color .2s, border-color .2s, color .2s; }
.cap-pills a:hover { background: #fff; border-color: #fff; color: var(--brand); }
@media (max-width: 640px) { .cap-pills a { height: 38px; padding: 0 16px; font-size: 14px; } }
.case-tile .mock { transform: translate(-50%, -50%) scale(.68) rotate(-2deg); }
.case-tile .mock.mock-mobile { transform: translate(-50%, -50%) scale(.6) rotate(6deg); }
@media (max-width: 640px) { .case-tile .mock { transform: translate(-50%, -50%) scale(.6) rotate(-2deg); } .case-tile .mock.mock-mobile { transform: translate(-50%, -50%) scale(.52) rotate(6deg); } }
@media (max-width: 640px) { .dock a:not(.primary) { display: none; } }
.hero-slide .kicker-logo { background: none; line-height: 1; }
.hero-slide .kicker-logo img { height: 48px; width: auto; }
@media (max-width: 640px) { .hero-slide .kicker-logo img { height: 36px; } }
/* 已上线项目：真实截图以浏览器卡片形式展示 */
img.shot { position: absolute; left: 50%; top: 54%; width: 88%; height: auto; transform: translate(-50%, -50%); border-radius: 12px; box-shadow: 0 24px 50px -22px rgba(20, 40, 110, .45), 0 0 0 1px rgba(20, 40, 110, .06); z-index: 1; transition: transform .6s var(--ease); }
.case-card:hover img.shot, .case-tile:hover img.shot { transform: translate(-50%, -50%) scale(1.03); }
.case-hero-art img.shot { width: 82%; top: 52%; border-radius: 16px; }
.demo-badge.live { background: #e8f7ee; color: #1d7a45; font-weight: 500; }
.demo-badge.live::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #23a35f; margin-right: 6px; vertical-align: 2px; }
.case-shot { margin: 40px 0 8px; }
.case-shot img { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow), 0 0 0 1px var(--line); }
.case-shot figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); text-align: center; }