@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root {
  --ink: #12151a;
  --muted: #6e737d;
  --line: #e8ebef;
  --paper: #ffffff;
  --soft: #f6f8fb;
  --blue: #2d6df6;
  --blue-deep: #1954d5;
  --violet: #7d61ed;
  --mint: #63d6bc;
  --orange: #ffb26b;
  --max: 1240px;
  --radius-lg: 28px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'DM Sans', 'Noto Sans SC', sans-serif; font-size: 15px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.section-shell { width: min(var(--max), calc(100% - 64px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(232,235,239,.92); backdrop-filter: blur(18px); }
.nav-wrap { width: min(var(--max), calc(100% - 64px)); min-height: 76px; margin-inline: auto; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: -.04em; }
.brand-mark { width: 22px; height: 22px; display: grid; grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); gap: 2px; transform: rotate(45deg); }
.brand-mark i { display: block; border-radius: 4px 4px 4px 0; }
.brand-mark i:nth-child(1) { background: #2d6df6; }
.brand-mark i:nth-child(2) { background: #68d7bf; border-radius: 4px 0 4px 4px; }
.brand-mark i:nth-child(3) { background: #8173ee; border-radius: 0 4px 4px 4px; }
.brand-mark i:nth-child(4) { background: #ffb26b; }
.main-nav { display: flex; gap: 30px; align-items: center; margin-left: auto; }
.main-nav a, .nav-login { color: #575c65; font-size: 14px; font-weight: 500; transition: color .2s ease; position: relative; }
.main-nav a:hover, .nav-login:hover { color: var(--blue); }
.main-nav a.active { color: var(--blue); font-weight: 700; }
.main-nav a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -7px; height: 3px; border-radius: 3px; background: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 22px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button span { font-size: 18px; line-height: 1; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 12px 24px rgba(45,109,246,.2); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 16px 30px rgba(45,109,246,.28); }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: #2d333b; }
.button-ghost { border-color: #dce1e8; color: #30353d; background: #fff; }
.button-ghost:hover { border-color: #bfc8d5; }
.button-light { background: #fff; color: var(--ink); }
.button-small { min-height: 42px; padding: 0 16px; gap: 10px; border-radius: 10px; font-size: 13px; }
.button-full { width: 100%; border: 0; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 9px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--ink); border-radius: 2px; }

.hero { position: relative; min-height: 720px; display: grid; grid-template-columns: 43% 57%; align-items: center; padding-top: 54px; padding-bottom: 80px; overflow: hidden; }
.hero::after { content: ''; position: absolute; z-index: -1; width: 740px; height: 740px; right: -300px; top: 30px; background: radial-gradient(circle, rgba(219,229,255,.95), rgba(242,246,255,.14) 64%, transparent 70%); pointer-events: none; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 40px; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; letter-spacing: .08em; }
.eyebrow-dot { display: inline-block; flex: 0 0 10px; width: 10px; height: 10px; margin-inline: 4px; background: var(--blue); border-radius: 50%; box-shadow: 0 0 0 4px rgba(45,109,246,.12); }
.hero h1 { max-width: 650px; margin: 0; font-size: clamp(40px, 4vw, 60px); font-weight: 800; line-height: 1.15; letter-spacing: -.075em; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 480px; margin: 26px 0 28px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 18px; }
.hero-note { color: #858b95; font-size: 12px; }
.note-check { display: inline-flex; align-items: center; justify-content: center; width: 17px; height: 17px; margin-right: 6px; color: #fff; font-size: 11px; background: var(--mint); border-radius: 50%; }
.hero-stage { position: relative; min-height: 560px; display: flex; align-items: center; justify-content: center; }
.hero-orbit { position: absolute; border: 1px solid rgba(45,109,246,.09); border-radius: 50%; transform: rotate(-16deg); }
.orbit-one { width: 610px; height: 330px; right: -60px; top: 106px; }
.orbit-two { width: 500px; height: 260px; right: 20px; top: 143px; border-color: rgba(126,98,237,.13); }
.portal-window { position: relative; z-index: 2; width: min(640px, 100%); border: 1px solid rgba(161,175,203,.45); border-radius: 20px; background: rgba(255,255,255,.93); box-shadow: 0 30px 80px rgba(55,90,150,.16), 0 8px 18px rgba(55,90,150,.08); overflow: hidden; transform: perspective(1500px) rotateY(-8deg) rotateX(2deg); }
.portal-topbar { height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border-bottom: 1px solid #edf0f4; background: #fff; }
.portal-brand { display: flex; align-items: center; gap: 8px; font-size: 11px; }
.mini-mark { width: 15px; height: 15px; display: inline-block; background: linear-gradient(135deg, #2d6df6 30%, #7d61ed 31% 62%, #6cd8c0 63%); border-radius: 5px 5px 5px 0; transform: rotate(45deg); }
.portal-top-actions { display: flex; align-items: center; gap: 16px; color: #969daa; font-size: 11px; }
.top-search { padding: 5px 9px; border: 1px solid #eef0f4; border-radius: 7px; background: #fafbfc; }
.top-avatar { width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; color: #315fca; background: #e0ebff; border-radius: 50%; font-size: 10px; font-weight: 700; }
.portal-body { display: flex; min-height: 380px; background: #f6f8fb; }
.portal-sidebar { width: 86px; padding: 18px 10px; display: flex; flex-direction: column; gap: 6px; border-right: 1px solid #edf0f4; background: #fff; color: #9aa1ab; font-size: 9px; }
.portal-sidebar > div:not(.sidebar-spacer) { min-height: 48px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border-radius: 9px; }
.portal-sidebar .active { color: var(--blue); background: #edf3ff; }
.side-icon { font-size: 18px; line-height: 1; }
.sidebar-spacer { flex: 1; }
.portal-content { flex: 1; padding: 22px; }
.portal-welcome { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 17px; }
.muted-label { color: #a4aab4; font-size: 10px; }
.portal-welcome h3 { margin: 5px 0 2px; font-size: 18px; letter-spacing: -.04em; }
.portal-welcome p { margin: 0; color: #9ca3ae; font-size: 10px; }
.welcome-streak { min-width: 74px; padding: 8px 11px; border: 1px solid #e5eaf3; border-radius: 11px; background: #fff; text-align: right; }
.welcome-streak span, .welcome-streak small { display: block; color: #9aa2ad; font-size: 8px; }
.welcome-streak b { color: var(--blue); font-size: 20px; line-height: 1; }
.portal-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; }
.ui-card { padding: 14px; border: 1px solid #e9edf3; border-radius: 13px; background: #fff; box-shadow: 0 5px 15px rgba(42,58,88,.035); }
.ui-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; color: #3d444f; font-size: 11px; font-weight: 700; }
.ui-card-head a { color: #9ba2ad; font-size: 9px; font-weight: 500; }
.todo-number { color: var(--ink); font-size: 27px; font-weight: 800; letter-spacing: -.05em; }
.todo-number small { margin-left: 3px; color: #9ba3ad; font-size: 9px; font-weight: 500; letter-spacing: 0; }
.progress-line { height: 5px; margin: 9px 0 8px; border-radius: 4px; background: #edf1f6; overflow: hidden; }
.progress-line span { display: block; width: 72%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #2d6df6, #7a91f6); }
.todo-meta { display: flex; justify-content: space-between; color: #a3aab4; font-size: 8px; }
.profile-card { display: flex; flex-direction: column; gap: 3px; }
.profile-top { display: flex; justify-content: space-between; margin-bottom: 3px; }
.profile-avatar { width: 29px; height: 29px; display: flex; align-items: center; justify-content: center; color: #fff; background: linear-gradient(145deg, #5387f7, #735fdc); border-radius: 9px; font-size: 13px; font-weight: 700; }
.profile-more { color: #b2b7c0; font-size: 13px; }
.profile-card b { font-size: 11px; }
.profile-card > span { color: #a3aab4; font-size: 9px; }
.profile-tags { display: flex; gap: 5px; margin-top: 9px; }
.profile-tags i { padding: 3px 6px; color: #6c7b99; background: #f2f5fb; border-radius: 4px; font-size: 8px; font-style: normal; }
.app-card, .news-card { grid-column: span 2; }
.app-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.app-list > span { display: flex; align-items: center; gap: 5px; color: #5c6370; font-size: 9px; }
.app-dot { width: 21px; height: 21px; display: inline-flex; align-items: center; justify-content: center; color: #fff; border-radius: 6px; font-size: 7px; font-style: normal; font-weight: 700; }
.blue { background: #5189f3; }.violet { background: #8a73e6; }.mint { background: #5dc4ac; }.orange { background: #f1a563; }
.news-item { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; padding: 7px 0; border-top: 1px solid #f0f2f5; color: #5b626f; font-size: 9px; }
.news-item i { padding: 2px 4px; color: #e9705c; background: #fff1ed; border-radius: 3px; font-size: 7px; font-style: normal; }.news-item i.normal { color: #6387d3; background: #edf3ff; }
.news-item time { color: #b0b5bd; font-size: 8px; }
.floating-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 9px; min-width: 170px; padding: 11px 13px; border: 1px solid rgba(221,228,241,.95); border-radius: 13px; background: rgba(255,255,255,.93); box-shadow: 0 18px 30px rgba(55,90,150,.13); }
.float-todo { left: -7px; bottom: 84px; }.float-message { right: -20px; top: 70px; }
.float-icon { width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; color: #fff; font-size: 14px; }.blue-fill { background: var(--blue); }.purple-fill { background: var(--violet); }
.floating-card b, .floating-card small { display: block; }.floating-card b { font-size: 10px; }.floating-card small { color: #9ea5b0; font-size: 8px; }

.trust-strip { min-height: 96px; display: flex; align-items: center; gap: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #8a909a; }
.trust-label { margin-right: auto; color: #464d58; font-size: 12px; font-weight: 600; }.trust-item { display: flex; align-items: center; gap: 7px; }.trust-item b { color: #6e7887; font-size: 14px; letter-spacing: -.04em; }.trust-item span { font-size: 11px; }.trust-tail { padding-left: 18px; color: #a6adb8; font-size: 11px; border-left: 1px solid var(--line); }.trust-tail span { margin-left: 8px; color: var(--blue); font-size: 16px; }

.intro-section { padding: 144px 0 128px; }.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: end; }.intro-grid h2, .section-heading h2, .flow-heading h2, .solutions-section h2, .integration-copy h2, .contact-copy h2 { margin: 0; font-size: clamp(37px, 4vw, 58px); line-height: 1.18; letter-spacing: -.065em; }.intro-grid h2 span, .section-heading h2 span, .flow-heading h2 span, .solutions-section h2 span, .integration-copy h2 span, .contact-copy h2 span { color: var(--blue); }.intro-copy { max-width: 430px; color: var(--muted); font-size: 16px; line-height: 1.85; }.intro-copy p { margin: 0 0 24px; }.intro-section .flow-steps { margin-top: 72px; }.inline-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; font-weight: 700; }.inline-link span { font-size: 18px; transition: transform .2s ease; }.inline-link:hover span { transform: translate(3px, -3px); }

.capabilities-section { padding: 128px 0 144px; border-top: 1px solid var(--line); }.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 52px; }.section-heading > p { max-width: 300px; margin: 0 0 6px; color: var(--muted); font-size: 14px; }.capability-shell { border: 1px solid #e2e7ef; border-radius: var(--radius-lg); overflow: hidden; background: #fbfcfe; }.capability-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid #e2e7ef; background: #fff; }.capability-tab { position: relative; display: flex; align-items: center; gap: 16px; min-height: 92px; padding: 18px 24px; border: 0; border-right: 1px solid #e2e7ef; background: #fff; text-align: left; color: #9aa1ac; transition: background .25s ease, color .25s ease; }.capability-tab:last-child { border-right: 0; }.capability-tab.active { color: var(--ink); background: #f6f9ff; }.capability-tab.active::after { content: ''; position: absolute; left: 24px; right: 24px; bottom: -1px; height: 3px; background: var(--blue); border-radius: 3px 3px 0 0; }.tab-index { align-self: flex-start; color: #afb7c3; font-size: 11px; font-weight: 700; }.capability-tab b, .capability-tab small { display: block; }.capability-tab b { margin-bottom: 3px; font-size: 16px; }.capability-tab small { color: #a1a8b3; font-size: 11px; font-weight: 400; }.tab-arrow { margin-left: auto; color: #aeb8c7; font-size: 18px; }.capability-tab.active .tab-arrow { color: var(--blue); }.capability-detail { display: grid; grid-template-columns: 42% 58%; min-height: 430px; }.detail-copy { padding: 54px 50px 50px; }.detail-label { display: flex; align-items: center; gap: 10px; margin-bottom: 23px; color: var(--blue); font-size: 12px; font-weight: 700; }.detail-icon { width: 27px; height: 27px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--blue); border-radius: 8px; font-size: 13px; }.detail-copy h3 { max-width: 360px; margin: 0 0 16px; font-size: 31px; line-height: 1.3; letter-spacing: -.06em; }.detail-copy > p { max-width: 380px; margin: 0 0 22px; color: var(--muted); line-height: 1.8; }.detail-points { margin: 0 0 26px; padding: 0; list-style: none; color: #535b67; font-size: 12px; line-height: 2.1; }.detail-points li span { display: inline-block; width: 20px; color: var(--violet); }.detail-visual { position: relative; margin: 24px; border: 1px solid #d9e1ef; border-radius: 20px; overflow: hidden; background: linear-gradient(145deg, #eaf1ff 0%, #d9e6ff 55%, #edf4ff 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,.8); }.detail-visual::before, .detail-visual::after { content: ''; position: absolute; border: 1px solid rgba(67,115,222,.18); border-radius: 50%; }.detail-visual::before { width: 350px; height: 350px; right: -100px; top: -160px; }.detail-visual::after { width: 290px; height: 290px; left: -150px; bottom: -150px; }.visual-topline { position: relative; z-index: 2; display: flex; align-items: center; gap: 9px; height: 47px; padding: 0 17px; border-bottom: 1px solid rgba(126,155,216,.2); color: #6880b4; font-size: 10px; }.visual-window-dots { display: flex; gap: 4px; margin-right: 5px; }.visual-window-dots i { width: 5px; height: 5px; border-radius: 50%; background: #87a5e9; }.visual-status { margin-left: auto; padding: 4px 7px; color: #4b9a89; background: rgba(255,255,255,.6); border-radius: 5px; font-size: 8px; }.visual-main { position: relative; z-index: 2; display: flex; min-height: calc(100% - 47px); }.visual-side { position: relative; width: 53px; padding-top: 19px; display: flex; flex-direction: column; align-items: center; gap: 17px; color: #7e9ad2; background: rgba(255,255,255,.28); font-size: 12px; }.visual-side i { font-style: normal; }.visual-side-active { position: absolute; top: 10px; left: 8px; width: 37px; height: 29px; border-radius: 7px; background: rgba(255,255,255,.67); box-shadow: 0 5px 10px rgba(74,108,177,.1); }.visual-side-active::after { content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: var(--blue); border-radius: 3px 0 0 3px; }.visual-board { flex: 1; padding: 24px 27px; }.visual-board-title { display: flex; justify-content: space-between; align-items: center; color: #2f4e8e; font-size: 16px; font-weight: 700; }.visual-board-title small { color: #829bd0; font-size: 9px; font-weight: 400; }.visual-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 19px; }.visual-metrics > div { padding: 12px 11px; border: 1px solid rgba(144,172,226,.28); border-radius: 10px; background: rgba(255,255,255,.6); }.visual-metrics small, .visual-metrics em { display: block; color: #8197c2; font-size: 8px; font-style: normal; }.visual-metrics b { display: block; margin: 5px 0 1px; color: #2b5fd1; font-size: 26px; line-height: 1; }.visual-lines { display: flex; flex-direction: column; gap: 12px; margin-top: 25px; }.visual-lines span { width: 94%; height: 8px; border-radius: 5px; background: rgba(255,255,255,.78); }.visual-lines span:nth-child(2) { width: 78%; }.visual-lines span:nth-child(3) { width: 88%; }.visual-lines span:nth-child(4) { width: 60%; }.visual-lines span:nth-child(5) { width: 72%; }.visual-board-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 30px; color: #6281bc; font-size: 9px; }.visual-board-footer i { width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--blue); border-radius: 50%; font-style: normal; }

.flow-section { padding: 135px 0 142px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }.flow-heading p { max-width: 290px; margin-top: 22px; color: var(--muted); font-size: 14px; line-height: 1.8; }.flow-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }.flow-step { position: relative; padding-top: 5px; }.flow-number { color: var(--blue); font-size: 14px; font-weight: 700; }.flow-line { width: 100%; height: 1px; margin: 22px 0 23px; background: var(--line); }.flow-step:not(:last-child) .flow-line::after { content: '→'; position: absolute; top: 13px; right: -15px; color: #a9b1bd; font-size: 16px; }.flow-step h3 { margin: 0 0 10px; font-size: 18px; letter-spacing: -.04em; }.flow-step p { min-height: 91px; margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.75; }.flow-step a { color: var(--blue); font-size: 11px; font-weight: 700; }

.solutions-section { padding: 128px 0 144px; border-top: 1px solid var(--line); }.solutions-section .section-heading { margin-bottom: 45px; }.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }.solution-card { position: relative; min-height: 350px; padding: 28px; border-radius: var(--radius-md); overflow: hidden; }.solution-card::after { content: ''; position: absolute; width: 220px; height: 220px; right: -85px; top: -92px; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; }.solution-blue { color: #fff; background: linear-gradient(145deg, #477bf1, #2759ce); }.solution-purple { color: #fff; background: linear-gradient(145deg, #9482ed, #6c55cf); }.solution-mint { color: #173d4d; background: linear-gradient(145deg, #b5ebdd, #79d0c0); }.solution-number { position: relative; z-index: 1; font-size: 12px; opacity: .76; }.solution-symbol { position: absolute; right: 28px; top: 22px; font-size: 42px; font-weight: 300; opacity: .7; }.solution-card h3 { position: absolute; left: 28px; bottom: 104px; margin: 0; font-size: 25px; letter-spacing: -.06em; }.solution-card p { position: absolute; left: 28px; right: 28px; bottom: 46px; margin: 0; font-size: 12px; line-height: 1.75; opacity: .8; }.solution-foot { position: absolute; left: 28px; right: 28px; bottom: 22px; display: flex; justify-content: space-between; font-size: 10px; opacity: .72; }.solution-foot span:last-child { text-align: right; }

.cases-section { display: grid; grid-template-columns: 38% 62%; gap: 70px; padding: 128px 0; color: #fff; background: #151b26; border-radius: var(--radius-lg); overflow: hidden; }.cases-section::before { content: ''; position: absolute; }.case-intro { padding: 22px 0 22px 58px; }.case-intro .section-kicker { color: #90aefc; }.case-intro h2 { margin: 0 0 24px; font-size: clamp(37px, 4vw, 56px); line-height: 1.2; letter-spacing: -.065em; }.case-intro h2 span { color: #8facff; }.case-intro p { max-width: 320px; margin: 0 0 28px; color: #aab2c1; font-size: 14px; line-height: 1.8; }.case-showcase { padding-top: 12px; }.case-window { margin-right: 40px; border: 1px solid #3a4557; border-radius: 18px; background: #222b3a; box-shadow: 0 25px 60px rgba(0,0,0,.22); overflow: hidden; }.case-window-bar { display: flex; align-items: center; justify-content: space-between; height: 43px; padding: 0 16px; border-bottom: 1px solid #3a4557; color: #8996aa; font-size: 10px; }.case-window-bar i { color: #667488; font-size: 9px; letter-spacing: 4px; font-style: normal; }.case-window-body { display: grid; grid-template-columns: 1fr 132px; min-height: 265px; gap: 12px; padding: 17px; }.case-panel-main { padding: 13px; border: 1px solid #3a4557; border-radius: 12px; background: #1b2330; }.case-greeting { color: #f2f5fa; font-size: 14px; font-weight: 700; }.case-greeting span { margin-left: 7px; color: #7f8ba0; font-size: 9px; font-weight: 400; }.case-panel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 19px; }.case-panel-chip { padding: 11px; border-radius: 8px; color: #eaf0fb; font-size: 9px; }.case-panel-chip small { display: block; margin-top: 5px; font-size: 18px; font-weight: 700; }.blue-chip { background: rgba(55,102,232,.4); }.orange-chip { background: rgba(201,113,57,.35); }.violet-chip { background: rgba(111,84,206,.36); }.mint-chip { background: rgba(49,137,119,.35); }.case-chart { margin-top: 20px; }.chart-title { color: #8996aa; font-size: 8px; }.chart-bars { height: 63px; display: flex; align-items: end; gap: 7px; margin-top: 8px; padding: 0 5px; border-bottom: 1px solid #3a4557; }.chart-bars i { flex: 1; min-height: 8px; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, #80a4ff, #476fdd); }.case-side-card { position: relative; display: flex; flex-direction: column; padding: 18px 15px; border: 1px solid #3a4557; border-radius: 12px; background: #1b2330; }.case-side-card > span { color: #929db0; font-size: 9px; }.case-side-card b { margin-top: 12px; color: #eaf0fb; font-size: 26px; letter-spacing: -.05em; }.case-side-card small { color: #71c6ae; font-size: 9px; }.case-mini-ring { width: 67px; height: 67px; margin: auto; border: 8px solid #3f4e68; border-top-color: #8cabff; border-right-color: #6fd5be; border-radius: 50%; transform: rotate(35deg); }.case-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; margin-right: 40px; }.case-tags span { padding: 8px 12px; color: #aab3c2; border: 1px solid #3a4557; border-radius: 8px; font-size: 10px; }

.integration-section { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 90px; padding: 153px 0; }.integration-copy > p { max-width: 390px; margin: 26px 0 25px; color: var(--muted); font-size: 15px; line-height: 1.85; }.integration-map { position: relative; min-height: 420px; display: flex; align-items: center; justify-content: center; }.map-orbit { position: absolute; border: 1px dashed #d5def0; border-radius: 50%; }.orbit-a { width: 350px; height: 350px; }.orbit-b { width: 240px; height: 240px; border-color: #e1d9fa; }.map-center { position: relative; z-index: 2; width: 132px; height: 132px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid #c9d7f8; border-radius: 50%; background: #f3f7ff; box-shadow: 0 20px 40px rgba(76,115,201,.13); }.map-center .mini-mark { width: 23px; height: 23px; margin-bottom: 8px; }.map-center b { color: #2a58ba; font-size: 17px; }.map-center small { color: #7a95cf; font-size: 9px; }.system-node { position: absolute; z-index: 3; min-width: 100px; padding: 11px 12px; border: 1px solid #e0e6f0; border-radius: 11px; background: #fff; box-shadow: 0 12px 24px rgba(44,67,110,.08); }.system-node b, .system-node span { display: block; }.system-node b { color: #3d66ca; font-size: 13px; }.system-node span { color: #a1a9b4; font-size: 9px; }.system-node i { position: absolute; color: #9eb2dc; font-size: 19px; font-style: normal; }.node-oa { top: 35px; left: 6%; }.node-oa i { right: -30px; bottom: -8px; }.node-hr { bottom: 48px; left: 3%; }.node-hr b { color: #7b65d8; }.node-hr i { right: -32px; top: -10px; }.node-crm { top: 57px; right: 5%; }.node-crm b { color: #e08d4c; }.node-crm i { left: -30px; bottom: -8px; }.node-erp { bottom: 28px; right: 8%; }.node-erp b { color: #4ea992; }.node-erp i { left: -29px; top: -7px; }.map-legend { position: absolute; left: 50%; bottom: 0; display: flex; gap: 15px; transform: translateX(-50%); color: #8c97aa; font-size: 9px; white-space: nowrap; }.legend-dot { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; }.dot-api { background: var(--blue); }.dot-sso { background: var(--violet); }

.stats-section { display: grid; grid-template-columns: 1fr 3fr; align-items: center; padding: 32px 0 72px; border-top: 1px solid var(--line); }.stats-label { display: flex; align-items: center; gap: 12px; color: #777f8a; font-size: 12px; }.stats-label .eyebrow-dot { flex-basis: 6px; width: 6px; height: 6px; margin: 0; box-shadow: none; }.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }.stats-grid > div { padding-left: 23px; border-left: 1px solid var(--line); }.stats-grid b, .stats-grid span { display: block; }.stats-grid b { color: var(--ink); font-size: 34px; letter-spacing: -.07em; }.stats-grid b span { display: inline; color: var(--blue); font-size: 23px; }.stats-grid > div > span { color: #858c97; font-size: 11px; }

.contact-section { padding: 72px 0 135px; }.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 65px 70px; border-radius: var(--radius-lg); background: #f4f7fc; }.contact-copy h2 { font-size: clamp(38px, 4vw, 56px); }.contact-copy > p { max-width: 400px; margin: 23px 0 25px; color: var(--muted); font-size: 14px; line-height: 1.8; }.contact-promise { display: flex; align-items: center; gap: 12px; color: #43506a; font-size: 12px; }.contact-promise > span:first-child { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; color: var(--blue); border: 1px solid #c9d8f5; border-radius: 50%; font-size: 18px; }.contact-promise small { color: #98a1b1; font-size: 10px; }.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; align-content: start; padding: 26px; border: 1px solid #e0e6f1; border-radius: 17px; background: #fff; box-shadow: 0 16px 32px rgba(63,93,145,.06); }.contact-form label { display: flex; flex-direction: column; gap: 7px; color: #6f7784; font-size: 11px; font-weight: 600; }.contact-form input, .contact-form select { width: 100%; height: 44px; padding: 0 12px; color: var(--ink); border: 1px solid #e2e6ed; border-radius: 8px; outline: none; background: #fafbfd; font-size: 12px; }.contact-form input:focus, .contact-form select:focus { border-color: #8baef8; box-shadow: 0 0 0 3px rgba(45,109,246,.1); }.contact-form .button { grid-column: span 2; margin-top: 4px; }.form-note { grid-column: span 2; margin: -3px 0 0; color: #a1a8b3; text-align: center; font-size: 10px; }.form-note.success { color: #3eaa8f; }

.site-footer { color: #bac1cc; background: #151b26; }.footer-main { display: flex; justify-content: space-between; gap: 60px; padding: 62px 0 54px; }.footer-brand .brand-name { color: #fff; }.footer-brand p { margin: 19px 0 0; color: #828c9d; font-size: 12px; line-height: 1.9; }.footer-links { display: grid; grid-template-columns: repeat(3, 130px); gap: 34px; }.footer-links > div { display: flex; flex-direction: column; gap: 10px; }.footer-links b { margin-bottom: 6px; color: #fff; font-size: 11px; }.footer-links a { color: #8e98a8; font-size: 11px; }.footer-links a:hover { color: #fff; }.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 26px; border-top: 1px solid #2c3543; color: #707b8c; font-size: 10px; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 46% 54%; }.hero h1 { font-size: 57px; }.hero-stage { transform: scale(.92); transform-origin: center right; }.main-nav { gap: 18px; }.nav-wrap, .section-shell { width: min(var(--max), calc(100% - 40px)); }.cases-section { gap: 30px; }.case-intro { padding-left: 38px; }.contact-card { gap: 45px; padding: 50px; }
}

@media (max-width: 820px) {
  .site-header { position: relative; }.nav-wrap { min-height: 68px; }.menu-toggle { display: block; margin-left: auto; }.main-nav { position: absolute; top: 68px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 9px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.98); box-shadow: 0 18px 32px rgba(24,43,75,.12); }.main-nav.open { display: flex; }.main-nav a { padding: 11px 13px; border-radius: 8px; }.main-nav a:hover { background: #f4f7fc; }.nav-actions { gap: 12px; }.nav-login { display: none; }.hero { display: block; min-height: auto; padding-top: 75px; }.hero-copy { padding-bottom: 30px; }.hero h1 { max-width: 520px; font-size: clamp(47px, 10vw, 72px); }.hero-stage { min-height: 490px; transform: none; }.portal-window { transform: perspective(1500px) rotateY(-5deg); }.float-message { right: 0; }.float-todo { left: 0; }.trust-strip { flex-wrap: wrap; gap: 19px; padding: 25px 0; }.trust-label { width: 100%; }.trust-tail { border-left: 0; padding-left: 0; }.intro-section, .capabilities-section, .flow-section, .solutions-section, .integration-section { padding: 90px 0; }.intro-grid, .flow-section, .integration-section { grid-template-columns: 1fr; gap: 42px; }.section-heading { align-items: start; flex-direction: column; margin-bottom: 35px; }.capability-detail { grid-template-columns: 1fr; }.detail-copy { padding: 42px 36px; }.detail-visual { min-height: 320px; margin: 0 18px 18px; }.flow-steps { gap: 28px; }.flow-step p { min-height: 0; }.flow-step:not(:last-child) .flow-line::after { display: none; }.solution-grid { grid-template-columns: 1fr; }.solution-card { min-height: 280px; }.cases-section { width: 100%; border-radius: 0; grid-template-columns: 1fr; gap: 25px; padding: 90px max(20px, calc((100vw - var(--max)) / 2)); }.case-intro { padding: 0; }.case-showcase { padding: 0; }.case-window { margin-right: 0; }.case-tags { margin-right: 0; }.integration-map { min-height: 360px; }.stats-section { grid-template-columns: 1fr; gap: 26px; }.contact-card { grid-template-columns: 1fr; gap: 35px; padding: 40px 28px; }.footer-main { flex-direction: column; padding: 48px 0; }.footer-links { grid-template-columns: repeat(3, 1fr); width: 100%; }.footer-bottom { flex-direction: column; gap: 6px; }
}

@media (max-width: 520px) {
  .section-shell, .nav-wrap { width: calc(100% - 32px); }.brand-name { font-size: 18px; }.nav-actions .button { padding-inline: 12px; }.nav-actions .button span { display: none; }.hero { padding-top: 58px; }.hero h1 { font-size: 43px; }.hero-lede { font-size: 15px; }.hero-actions { flex-direction: column; align-items: stretch; }.hero-actions .button { width: 100%; }.hero-stage { min-height: 385px; margin-top: 14px; }.portal-window { width: 680px; transform: scale(.67) perspective(1500px) rotateY(-5deg); transform-origin: center center; }.float-todo { bottom: 17px; left: -5px; transform: scale(.84); transform-origin: left bottom; }.float-message { top: 20px; right: -7px; transform: scale(.84); transform-origin: right top; }.orbit-one { width: 440px; height: 250px; right: -130px; top: 70px; }.orbit-two { width: 380px; height: 200px; right: -100px; top: 95px; }.trust-strip { gap: 15px; }.trust-item { width: calc(50% - 8px); }.trust-tail { width: 100%; }.intro-grid h2, .section-heading h2, .flow-heading h2, .solutions-section h2, .integration-copy h2, .contact-copy h2 { font-size: 39px; }.capability-tabs { grid-template-columns: 1fr; }.capability-tab { min-height: 70px; border-right: 0; border-bottom: 1px solid #e2e7ef; }.capability-tab:last-child { border-bottom: 0; }.capability-tab.active::after { top: 0; bottom: 0; left: 0; right: auto; width: 3px; height: auto; border-radius: 0 3px 3px 0; }.detail-copy { padding: 36px 25px; }.detail-copy h3 { font-size: 28px; }.detail-visual { min-height: 280px; }.visual-board { padding: 18px 16px; }.visual-metrics b { font-size: 20px; }.flow-steps { grid-template-columns: 1fr; }.flow-line { margin: 15px 0; }.solution-card h3 { font-size: 23px; }.case-window-body { grid-template-columns: 1fr; }.case-side-card { display: none; }.case-tags span { padding: 7px 9px; }.integration-map { transform: scale(.83); margin: -25px -35px; }.map-legend { font-size: 8px; }.stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 25px; }.stats-grid > div { padding-left: 14px; }.stats-grid b { font-size: 29px; }.contact-form { grid-template-columns: 1fr; padding: 19px; }.contact-form .button, .form-note { grid-column: span 1; }.footer-links { gap: 18px; }.footer-bottom { font-size: 9px; }
}

/* Real product screenshot used in the portal capability panel. */
.image-detail-visual { background: #f5f6f8; }
.image-detail-visual::before,
.image-detail-visual::after { display: none; }
.capability-image { display: block; width: 100%; height: 100%; min-height: 380px; object-fit: cover; object-position: center; }
.detail-visual { border-radius: 10px; }
@media (max-width: 820px) {
  .capability-image { min-height: 320px; }
}
@media (max-width: 520px) {
  .capability-image { min-height: 280px; object-fit: contain; }
}

/* Customer case gallery: real Kang'enbei workspace screenshot plus branded client list. */
.case-featured { display: flex; align-items: center; gap: 13px; margin: 31px 0 30px; }
.case-featured-logo { width: 126px; height: 48px; display: flex; align-items: center; justify-content: center; padding: 8px 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(255,255,255,.96); }
.case-featured-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.case-featured > div:last-child span,
.case-featured > div:last-child strong { display: block; }
.case-featured > div:last-child span { margin-bottom: 2px; color: #8996aa; font-size: 10px; }
.case-featured > div:last-child strong { color: #fff; font-size: 17px; letter-spacing: -.04em; }
.case-image-body { display: block; min-height: 0; padding: 0; background: #f4f5f7; }
.case-workbench-image { display: block; width: 100%; height: auto; }
.case-tags { align-items: stretch; gap: 10px; margin-top: 17px; }
.case-tag { min-width: 120px; display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; color: #aab3c2; border: 1px solid #3a4557; border-radius: 10px; background: rgba(31,40,54,.72); transition: border-color .2s ease, background .2s ease, color .2s ease, transform .2s ease; }
.case-tag:hover, .case-tag.active { color: #fff; border-color: #6686d6; background: #202b40; transform: translateY(-2px); }
.case-tag strong { font-size: 11px; font-weight: 600; white-space: nowrap; }
.case-logo { flex: 0 0 30px; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 8px; color: #fff; font-size: 14px; font-weight: 800; letter-spacing: -.08em; }
.case-logo-image { padding: 5px 3px; background: #fff; }
.case-logo-image img { display: block; width: 100%; height: 100%; object-fit: contain; }
.case-logo-gdw { background: linear-gradient(145deg, #f3b44f, #e47c2a); }
.case-logo-zq { background: linear-gradient(145deg, #4f91e7, #3460bc); }
.case-logo-tf { background: linear-gradient(145deg, #ee795e, #c64b45); }
.case-logo-gt { background: linear-gradient(145deg, #5dc9ae, #2e927c); }
@media (max-width: 820px) {
  .case-featured { margin: 26px 0 28px; }
  .case-tags { margin-top: 14px; }
  .case-tag { flex: 1 1 calc(50% - 10px); min-width: 0; }
}
@media (max-width: 520px) {
  .cases-section { width: 100%; }
  .case-featured-logo { width: 118px; height: 44px; }
  .case-tag { flex-basis: 100%; }
}

.footer-legal { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer-legal a { color: inherit; transition: color .2s ease; }
.footer-legal a:hover { color: #fff; }
.beian-link { display: inline-flex; align-items: center; gap: 5px; }
.beian-link img { display: block; width: 14px; height: auto; }
@media (max-width: 520px) {
  .footer-legal { gap: 9px 12px; }
}

.footer-privacy-link { padding: 0; border: 0; color: inherit; background: transparent; font: inherit; cursor: pointer; transition: color .2s ease; }
.footer-privacy-link:hover { color: #fff; }

/* Unified Weiyuntong brand mark supplied by the client. */
.brand-mark { width: 28px; height: 28px; display: inline-block; flex: 0 0 28px; transform: none; background: url('assets/weiyuntong-logo.png') center / contain no-repeat; }
.brand-mark i { display: none; }
.mini-mark { width: 18px; height: 18px; display: inline-block; flex: 0 0 18px; background: url('assets/weiyuntong-logo.png') center / contain no-repeat; border-radius: 0; transform: none; }
.privacy-dialog { width: min(720px, calc(100vw - 32px)); max-width: none; max-height: min(780px, calc(100vh - 48px)); padding: 0; color: var(--ink); border: 1px solid #e2e7ef; border-radius: 20px; background: #fff; box-shadow: 0 28px 80px rgba(17,31,58,.26); }
.privacy-dialog::backdrop { background: rgba(9,16,29,.68); backdrop-filter: blur(3px); }
.privacy-dialog-inner { display: flex; max-height: min(780px, calc(100vh - 48px)); flex-direction: column; }
.privacy-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 29px 32px 22px; border-bottom: 1px solid var(--line); }
.privacy-dialog-head .section-kicker { margin-bottom: 8px; }
.privacy-dialog-head h2 { margin: 0; font-size: 34px; line-height: 1.15; letter-spacing: -.06em; }
.privacy-close { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; padding: 0; color: #6e7787; border: 1px solid #e1e6ee; border-radius: 50%; background: #f7f9fc; font-size: 25px; font-weight: 300; line-height: 1; cursor: pointer; transition: color .2s ease, background .2s ease; }
.privacy-close:hover { color: var(--ink); background: #edf2fa; }
.privacy-dialog-body { overflow: auto; padding: 26px 32px 34px; color: #596372; font-size: 13px; line-height: 1.85; }
.privacy-dialog-body p { margin: 0 0 16px; }
.privacy-dialog-body .privacy-updated { color: #8b95a5; font-size: 12px; }
.privacy-dialog-body h3 { margin: 22px 0 7px; color: var(--ink); font-size: 15px; line-height: 1.4; }
@media (max-width: 520px) {
  .privacy-dialog { width: calc(100vw - 24px); max-height: calc(100vh - 24px); border-radius: 16px; }
  .privacy-dialog-inner { max-height: calc(100vh - 24px); }
  .privacy-dialog-head { padding: 23px 20px 17px; }
  .privacy-dialog-head h2 { font-size: 29px; }
  .privacy-dialog-body { padding: 21px 20px 26px; font-size: 12px; }
}

.case-tag { appearance: none; font: inherit; text-align: left; cursor: pointer; }
.case-tag:disabled { cursor: default; opacity: .72; }
.case-tag:disabled:hover { color: #aab3c2; border-color: #3a4557; background: rgba(31,40,54,.72); transform: none; }
.case-featured-wordmark { display: inline-flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: #31558d; border-radius: 6px; background: #e9f0ff; font-size: 15px; font-weight: 800; letter-spacing: -.08em; }
.case-featured-wordmark-gt { color: #143dba; background: #e7edff; }

/* Keep the two-column case layout inside the section so screenshots never clip at the viewport edge. */
.cases-section { grid-template-columns: minmax(0, .38fr) minmax(0, .62fr); }
.case-intro { min-width: 0; }
.case-showcase { min-width: 0; padding-right: 32px; }
.case-window { margin-right: 0; }
.case-tags { margin-right: 0; }
.case-workbench-image { max-width: 100%; object-fit: contain; transition: opacity .25s ease; }
@media (max-width: 820px) {
  .cases-section { grid-template-columns: 1fr; }
  .case-showcase { padding-right: 0; }
}
.case-logo-strip { grid-column: 1 / -1; min-width: 0; padding: 0 24px 8px; }
.case-logo-strip .case-tags { display: flex; flex-wrap: nowrap; justify-content: flex-start; gap: 10px; margin: 0; padding: 4px 2px 8px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline proximity; scrollbar-width: thin; scrollbar-color: #4a5b79 transparent; }
.case-logo-strip .case-tags::-webkit-scrollbar { height: 1px; }
.case-logo-strip .case-tags::-webkit-scrollbar-track { background: transparent; }
.case-logo-strip .case-tags::-webkit-scrollbar-thumb { border-radius: 999px; background: #4a5b79; }
.case-logo-strip .case-tag { flex: 0 0 190px; max-width: none; min-height: 64px; padding: 10px 14px; scroll-snap-align: start; }
.case-logo-strip .case-tag { justify-content: center; color: transparent; border-color: #dfe5ee; background: #fff; }
.case-logo-strip .case-tag:hover { color: transparent; border-color: #91b3ff; background: #fff; box-shadow: 0 0 0 1px rgba(145,179,255,.28), 0 0 12px rgba(75,126,255,.26); }
.case-logo-strip .case-tag.active,
.case-logo-strip .case-tag.active:hover { color: transparent; border-color: #78a2ff; background: #fff; box-shadow: 0 0 0 1px rgba(120,162,255,.35), 0 0 14px rgba(75,126,255,.46), 0 0 28px rgba(75,126,255,.2); }
.case-logo-strip .case-logo { flex-basis: 52px; width: 52px; height: 38px; }
.case-logo-strip .case-logo-image { flex: 1 1 auto; width: 100%; height: 44px; padding: 4px 8px; border: 0; outline: 0; box-shadow: none; background: #fff; }
.case-logo-strip .case-logo-image img { width: 100%; height: 100%; border: 0; outline: 0; box-shadow: none; object-fit: contain; }
/* Keep the client logo rail close to the top edge of the case panel. */
.cases-section { padding-top: 18px; padding-bottom: 28px; row-gap: 16px; column-gap: 20px; }
.case-intro { padding-top: 0; }
.cases-heading { padding: 92px 0 38px; }
.cases-heading h2 { margin: 0; color: var(--ink); font-size: clamp(37px, 4vw, 56px); line-height: 1.2; letter-spacing: -.065em; }
.cases-heading h2 span { color: var(--blue); }
@media (max-width: 820px) {
  .case-logo-strip { padding-inline: 0; }
  .case-logo-strip .case-tag { flex: 0 0 190px; max-width: none; }
  .cases-section { padding-top: 24px; padding-bottom: 32px; row-gap: 18px; column-gap: 20px; }
  .cases-heading { padding: 72px 0 30px; }
}
@media (max-width: 520px) {
  .case-logo-strip .case-tag { flex-basis: 182px; }
  .cases-heading { padding: 58px 0 24px; }
}

/* Tighten the case composition around the real screenshots and descriptions. */
.cases-section { padding-bottom: 28px; row-gap: 16px; column-gap: 20px; }
.case-showcase { padding-top: 4px; }
.case-intro p { max-width: 440px; }
.case-intro > .button-light { display: none; }
@media (max-width: 820px) {
  .cases-section { padding-bottom: 32px; row-gap: 18px; column-gap: 20px; }
  .case-intro p { max-width: 100%; }
}

/* Case description list (bullet 化) */
.case-intro #case-description { max-width: 440px; }
.case-intro .case-summary { margin: 0 0 18px; color: #aab2c1; font-size: 14px; line-height: 1.8; }
.case-intro .case-points { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 13px; }
.case-intro .case-points li { position: relative; padding-left: 18px; color: #aab2c1; font-size: 13px; line-height: 1.75; }
.case-intro .case-points li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 2px; background: linear-gradient(145deg, #6f96f7, #8a6fe8); }
.case-intro .case-points strong { margin-right: 6px; color: #eef2f8; font-weight: 700; }
.case-intro .case-points span { color: #aab2c1; }
@media (max-width: 820px) {
  .case-intro #case-description { max-width: 100%; }
}

/* Hero demo 示意标记 */
.demo-badge { position: absolute; z-index: 4; top: 4px; right: 16px; padding: 4px 10px; color: #8a94a6; border: 1px solid #dfe5ee; border-radius: 999px; background: rgba(255,255,255,.92); font-size: 10px; font-weight: 600; letter-spacing: .04em; }

/* Contact：企业微信二维码卡片 */
.contact-qcode { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 38px 32px; border: 1px solid #e0e6f1; border-radius: 20px; background: #fff; box-shadow: 0 16px 32px rgba(63,93,145,.06); }
.contact-qcode img { display: block; width: 220px; height: 220px; padding: 12px; border: 1px solid #eef2f8; border-radius: 14px; background: #fff; }
.contact-qcode .qcode-title { margin: 4px 0 0; color: var(--ink); font-size: 15px; font-weight: 700; letter-spacing: -.02em; }
.contact-qcode .qcode-sub { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; text-align: center; }
.contact-qcode .qcode-badge { display: inline-flex; align-items: center; gap: 6px; margin: 12px 0 0; padding: 7px 14px; color: var(--blue); border: 1px solid #c9d8f5; border-radius: 999px; background: #f4f8ff; font-size: 12px; font-weight: 600; }
.contact-qcode .qcode-badge::before { content: '✓'; display: inline-flex; align-items: center; justify-content: center; width: 14px; height: 14px; color: #fff; background: var(--blue); border-radius: 50%; font-size: 9px; line-height: 1; }
@media (max-width: 820px) {
  .contact-qcode { padding: 30px 24px; }
  .contact-qcode img { width: 200px; height: 200px; }
}
@media (max-width: 520px) {
  .contact-qcode img { width: 180px; height: 180px; }
}

/* 导航选中态（移动端改用底色胶囊） */
@media (max-width: 820px) {
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: #eef4ff; }
}
