:root {
  --ink: #14243a;
  --muted: #62728a;
  --line: #dce5ef;
  --paper: #f4f7fb;
  --blue: #2f6df6;
  --blue-dark: #1c4dc6;
  --mint: #13a995;
  --coral: #ef775f;
  --navy: #142c47;
  --shadow: 0 24px 70px rgba(25, 48, 81, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Segoe UI", "Microsoft YaHei", sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(244, 247, 251, 0.94); border-bottom: 1px solid rgba(220, 229, 239, 0.8); backdrop-filter: blur(12px); }
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 190px; }
.brand-mark { display: grid; width: 35px; height: 35px; color: var(--blue); place-items: center; background: #e6efff; border: 1px solid #c7d9ff; border-radius: 10px; }
.brand-mark svg { width: 23px; }
.brand strong { display: block; font-size: 16px; line-height: 1.05; letter-spacing: .04em; }
.brand small { display: block; margin-top: 3px; color: #8290a5; font-size: 9px; letter-spacing: .16em; }
.top-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-link { position: relative; color: #687990; font-size: 13px; }
.nav-link:hover, .nav-link.active { color: var(--ink); }
.nav-link.active::after { content: ""; position: absolute; right: 0; bottom: -28px; left: 0; height: 2px; background: var(--blue); }
.header-login { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; color: var(--blue-dark); font-size: 12px; font-weight: 700; background: #e8f0ff; border: 1px solid #c9dbff; border-radius: 8px; transition: .2s ease; }
.header-login:hover { background: #dce9ff; transform: translateY(-1px); }
.header-login svg { width: 16px; }

.hero { position: relative; overflow: hidden; padding: 84px 0 96px; background: #f4f7fb; }
.hero-grid { position: absolute; inset: 0; opacity: .7; background-image: linear-gradient(#dfe8f2 1px, transparent 1px), linear-gradient(90deg, #dfe8f2 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, rgba(0,0,0,.4), transparent 75%); }
.hero::after { position: absolute; top: 0; right: 0; width: 38%; height: 100%; background: #e9f0f8; content: ""; clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%); }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 70px; }
.hero-copy { padding: 28px 0 20px; }
.eyebrow, .section-label { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 21px; }
.pulse-dot, .live-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(19, 169, 149, .12); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 540px; margin-bottom: 22px; font-size: clamp(44px, 5vw, 70px); line-height: 1.06; letter-spacing: -.045em; }
h1 em { color: var(--blue); font-style: normal; }
.hero-text { max-width: 490px; margin-bottom: 30px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 0 18px; border-radius: 8px; font-size: 13px; font-weight: 800; transition: .2s ease; }
.button svg { width: 18px; }
.button-primary { color: white; background: var(--blue); box-shadow: 0 9px 20px rgba(47, 109, 246, .2); }
.button-primary:hover { background: var(--blue-dark); transform: translateY(-2px); }
.button-quiet { color: var(--ink); background: rgba(255,255,255,.55); border: 1px solid var(--line); }
.button-quiet:hover { background: white; transform: translateY(-2px); }
.trust-row { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 30px; color: #76869b; font-size: 11px; }
.trust-icon { display: inline-grid; width: 15px; height: 15px; margin-right: 4px; color: var(--mint); place-items: center; font-size: 10px; background: #dff5f0; border-radius: 50%; }

.workspace-preview { position: relative; z-index: 2; overflow: hidden; min-height: 424px; background: white; border: 1px solid #d4dfeb; border-radius: 14px; box-shadow: var(--shadow); transform: rotate(1deg); }
.preview-topbar { display: flex; align-items: center; justify-content: space-between; height: 42px; padding: 0 15px; color: #8190a3; font-size: 10px; background: #f8fafc; border-bottom: 1px solid #e7edf4; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { display: block; width: 7px; height: 7px; background: #d4dce6; border-radius: 50%; }
.preview-url { padding: 4px 18px; color: #8190a3; background: #eef3f8; border-radius: 20px; }
.preview-state { padding: 3px 7px; color: #62728a; background: #edf2f7; border-radius: 4px; }
.preview-body { display: grid; grid-template-columns: 128px 1fr; min-height: 382px; }
.preview-sidebar { padding: 22px 10px; background: #152b47; }
.mini-brand { display: flex; align-items: center; gap: 7px; margin: 0 6px 27px; color: white; font-size: 11px; font-weight: 700; }
.mini-logo { display: grid; width: 20px; height: 20px; color: #152b47; place-items: center; font-size: 10px; font-weight: 900; background: #9be8de; border-radius: 6px; }
.side-section-label { margin: 0 7px 9px; color: #69819e; font-size: 8px; letter-spacing: .15em; }
.side-item { display: flex; align-items: center; gap: 8px; padding: 9px 8px; margin: 3px 0; color: #a9bdd4; border-radius: 6px; font-size: 10px; }
.side-item.selected { color: white; background: #2d5fbd; }
.side-item.muted { color: #7288a3; }
.side-icon { width: 13px; color: #91a8c2; text-align: center; }
.selected .side-icon { color: #b9e6ff; }
.side-divider { height: 1px; margin: 18px 8px; background: #2d4561; }
.preview-content { padding: 27px 27px 18px; background: #fff; }
.preview-heading { display: flex; align-items: flex-start; justify-content: space-between; }
.preview-kicker { display: block; margin-bottom: 2px; color: #8a98aa; font-size: 10px; }
.preview-heading h2 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.date-pill { padding: 6px 10px; color: #62728a; font-size: 10px; background: #f4f7fa; border: 1px solid #e3eaf1; border-radius: 6px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin: 22px 0 16px; }
.metric-card { padding: 13px 12px; border: 1px solid #e7edf3; border-radius: 7px; }
.metric-card span, .metric-card small { display: block; color: #8492a3; font-size: 9px; }
.metric-card strong { display: block; margin: 3px 0; color: var(--ink); font-size: 17px; }
.metric-card small.positive { color: var(--mint); }
.metric-card small.neutral { color: #9ba8b6; }
.chart-card { padding: 15px 15px 8px; border: 1px solid #e7edf3; border-radius: 7px; }
.chart-heading { display: flex; justify-content: space-between; color: #53657d; font-size: 10px; font-weight: 700; }
.chart-heading small { color: #9aa7b7; font-weight: 400; }
.chart { position: relative; height: 136px; margin-top: 10px; background-image: linear-gradient(#edf2f7 1px, transparent 1px); background-size: 100% 34px; }
.chart-line { position: absolute; right: 2%; bottom: 20%; left: 2%; height: 64%; background: #d8f1ec; clip-path: polygon(0 78%, 17% 50%, 34% 63%, 51% 22%, 68% 38%, 85% 7%, 100% 0, 100% 100%, 0 100%); }
.chart-line::after { position: absolute; inset: 0; background: var(--mint); clip-path: polygon(0 72%, 17% 44%, 34% 57%, 51% 16%, 68% 32%, 85% 1%, 100% 0, 100% 5%, 85% 8%, 68% 39%, 51% 23%, 34% 64%, 17% 52%, 0 80%); content: ""; }
.chart i { position: absolute; z-index: 1; width: 6px; height: 6px; background: white; border: 2px solid var(--mint); border-radius: 50%; transform: translate(-50%, -50%); }
.chart-labels { position: absolute; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; color: #a4b0bd; font-size: 8px; }
.preview-footer-row { display: flex; justify-content: space-between; margin-top: 15px; color: #9aa7b7; font-size: 9px; }
.live-dot { width: 6px; height: 6px; margin-right: 5px; box-shadow: none; }

.section { padding: 100px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 38px; }
.section-label { margin-bottom: 10px; }
.section-heading h2, .process-copy h2, .access-panel h2 { max-width: 600px; margin-bottom: 0; font-size: clamp(28px, 3vw, 40px); line-height: 1.18; letter-spacing: -.035em; }
.section-intro { max-width: 300px; margin-bottom: 2px; color: var(--muted); font-size: 13px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.capability-card { position: relative; min-height: 260px; padding: 27px 27px 25px; background: white; border: 1px solid var(--line); border-radius: 10px; transition: .2s ease; }
.capability-card:hover { border-color: #b9cfee; box-shadow: 0 15px 35px rgba(40, 70, 110, .08); transform: translateY(-3px); }
.card-icon { display: grid; width: 42px; height: 42px; margin-bottom: 26px; place-items: center; border-radius: 10px; }
.card-icon svg { width: 23px; }
.card-icon.blue { color: var(--blue); background: #eaf0ff; }
.card-icon.mint { color: var(--mint); background: #e3f7f3; }
.card-icon.coral { color: var(--coral); background: #fff0ec; }
.capability-card h3 { margin-bottom: 10px; font-size: 17px; }
.capability-card p { max-width: 245px; margin-bottom: 0; color: var(--muted); font-size: 13px; }
.card-index { position: absolute; right: 25px; bottom: 22px; color: #bac5d2; font-size: 11px; font-weight: 800; letter-spacing: .1em; }

.process { background: #eaf0f6; }
.process-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: center; }
.process-copy > p:not(.section-label) { max-width: 415px; margin: 22px 0; color: var(--muted); font-size: 14px; }
.text-link { color: var(--blue-dark); font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 6px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, -3px); }
.process-list { padding: 0; margin: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: 60px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid #d3dfe9; }
.process-list li:first-child { padding-top: 0; }
.process-list li:last-child { padding-bottom: 0; border-bottom: 0; }
.step-number { color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.process-list h3 { margin: 0 0 4px; font-size: 16px; }
.process-list p { margin: 0; color: var(--muted); font-size: 12px; }

.access { padding-top: 86px; padding-bottom: 86px; }
.access-panel { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 45px 53px; color: white; background: var(--navy); border-radius: 12px; }
.access-panel .section-label { margin-bottom: 9px; color: #8cd8cf; }
.access-panel h2 { font-size: clamp(26px, 3vw, 35px); }
.access-panel p:not(.section-label) { margin: 12px 0 0; color: #b7c8dc; font-size: 13px; }
.button-light { flex: none; color: var(--navy); background: white; }
.button-light:hover { background: #e9f5ff; transform: translateY(-2px); }
.site-footer { padding: 28px 0; background: #11263e; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #b8c8d9; font-size: 11px; }
.footer-inner strong { margin-right: 14px; color: white; font-size: 14px; }
.footer-meta { display: flex; gap: 20px; color: #8299b1; }

@media (max-width: 900px) {
  .hero-layout, .process-layout { grid-template-columns: 1fr; gap: 52px; }
  .hero { padding: 62px 0 75px; }
  .hero::after { width: 100%; height: 45%; clip-path: none; }
  .workspace-preview { max-width: 680px; margin: 0 auto; transform: none; }
  .process-layout { gap: 35px; }
}
@media (max-width: 700px) {
  .container { width: min(100% - 32px, 1160px); }
  .header-inner { height: 67px; }
  .top-nav { display: none; }
  .brand { min-width: 0; }
  .header-login { padding: 8px 10px; font-size: 11px; }
  .hero { padding-top: 47px; }
  h1 { font-size: clamp(42px, 13vw, 61px); }
  .hero-text { font-size: 14px; }
  .trust-row { gap: 10px 15px; }
  .preview-body { grid-template-columns: 92px 1fr; }
  .preview-sidebar { padding: 18px 7px; }
  .mini-brand span:last-child, .side-section-label { display: none; }
  .side-item { padding: 9px 6px; font-size: 9px; }
  .preview-content { padding: 20px 14px 15px; }
  .metric-grid { gap: 5px; }
  .metric-card { padding: 10px 7px; }
  .metric-card strong { font-size: 13px; }
  .preview-url { max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .section { padding: 70px 0; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-intro { margin-top: 17px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 220px; }
  .access-panel { display: block; padding: 32px 25px; }
  .button-light { margin-top: 25px; }
  .footer-inner, .footer-meta { display: block; }
  .footer-meta { margin-top: 12px; }
  .footer-meta span + span { margin-left: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}