:root {
    --qh-ink: #15352f;
    --qh-ink-soft: #49655f;
    --qh-green: #176b58;
    --qh-green-dark: #0d5143;
    --qh-green-light: #2d9278;
    --qh-mint: #e9f5ef;
    --qh-mint-soft: #f5faf7;
    --qh-gold: #c8963e;
    --qh-cream: #fbfaf5;
    --qh-line: #dce9e2;
    --qh-white: #fff;
    --qh-danger: #a33c35;
    --qh-shadow: 0 22px 60px rgba(26, 76, 64, .11);
}

html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body.qh-portal { color: var(--qh-ink); background: var(--qh-white); font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.7; overflow-x: hidden; }
.qh-portal *, .qh-portal *::before, .qh-portal *::after { box-sizing: border-box; }
.portal-container { max-width: 1200px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 9999; padding: 10px 18px; color: #fff; background: var(--qh-green); border-radius: 8px; }
.skip-link:focus { top: 12px; color: #fff; }

.portal-header { position: fixed; inset: 0 0 auto; z-index: 1000; border-bottom: 1px solid transparent; transition: background .25s ease, box-shadow .25s ease, border-color .25s ease; }
.portal-header.scrolled { background: rgba(255, 255, 255, .95); border-color: rgba(23, 107, 88, .1); box-shadow: 0 8px 30px rgba(28, 68, 59, .07); backdrop-filter: blur(14px); }
.portal-header .navbar { min-height: 76px; padding: 10px 0; }
.portal-brand { display: inline-flex; gap: 11px; align-items: center; color: var(--qh-ink); text-decoration: none; }
.portal-brand:hover { color: var(--qh-green); }
.brand-mark { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; color: #fff; background: linear-gradient(145deg, var(--qh-green-light), var(--qh-green-dark)); border-radius: 13px 13px 13px 4px; box-shadow: 0 8px 20px rgba(23, 107, 88, .2); transform: rotate(-3deg); }
.brand-mark i { transform: rotate(3deg); font-size: 20px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { font-size: 18px; letter-spacing: .04em; }
.brand-copy small { margin-top: 5px; color: #6f8780; font-size: 10px; letter-spacing: .14em; }
.portal-nav-links { gap: 4px; margin-right: 24px; }
.portal-nav-links .nav-link { padding: 11px 13px !important; color: #3d5d55; font-size: 14px; font-weight: 500; }
.portal-nav-links .nav-link:hover { color: var(--qh-green); }
.portal-nav-actions { display: flex; gap: 10px; align-items: center; }
.portal-login-link { color: var(--qh-green); font-size: 14px; text-decoration: none; }
.portal-login-link:hover { color: var(--qh-green-dark); }
.portal-toggler { color: var(--qh-green); border: 1px solid var(--qh-line); }
.portal-toggler:focus { box-shadow: 0 0 0 3px rgba(23, 107, 88, .14); }
.qh-portal a:focus-visible, .qh-portal button:focus-visible, .qh-portal input:focus-visible, .qh-portal select:focus-visible { outline: 3px solid rgba(45, 146, 120, .35); outline-offset: 3px; }

.portal-btn { display: inline-flex; min-height: 48px; padding: 11px 24px; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 12px; font-size: 15px; font-weight: 600; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.portal-btn:hover { transform: translateY(-2px); }
.portal-btn-primary { color: #fff; background: linear-gradient(135deg, var(--qh-green-light), var(--qh-green-dark)); box-shadow: 0 12px 26px rgba(23, 107, 88, .2); }
.portal-btn-primary:hover, .portal-btn-primary:focus { color: #fff; box-shadow: 0 15px 32px rgba(23, 107, 88, .28); }
.portal-btn-primary:disabled { opacity: .55; transform: none; box-shadow: none; }
.portal-btn-sm { min-height: 40px; padding: 8px 17px; border-radius: 10px; font-size: 13px; }
.portal-btn-ghost { color: var(--qh-green); background: rgba(255, 255, 255, .78); border: 1px solid rgba(23, 107, 88, .2); }
.portal-btn-ghost:hover { color: var(--qh-green-dark); background: #fff; box-shadow: 0 10px 24px rgba(33, 77, 67, .09); }
.portal-btn-light { color: var(--qh-green-dark); background: #fff; box-shadow: 0 10px 24px rgba(5, 54, 44, .18); }
.portal-btn-light:hover { color: var(--qh-green-dark); }

.portal-hero { position: relative; min-height: 700px; padding: 128px 0 68px; overflow: hidden; background: radial-gradient(circle at 88% 12%, rgba(62, 157, 127, .13), transparent 30%), linear-gradient(150deg, #fbfcf8 0%, #f2f8f3 53%, #fdfbf5 100%); }
.portal-hero::before { position: absolute; inset: 0; content: ""; opacity: .35; pointer-events: none; background-image: linear-gradient(rgba(23,107,88,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(23,107,88,.045) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-glow-one { width: 360px; height: 360px; top: 90px; right: -190px; background: rgba(197, 226, 210, .6); }
.hero-glow-two { width: 240px; height: 240px; bottom: -130px; left: -80px; background: rgba(231, 212, 166, .3); }
.hero-container { position: relative; z-index: 2; }
.portal-eyebrow { display: inline-flex; padding: 8px 13px; gap: 8px; align-items: center; color: var(--qh-green); background: rgba(234, 245, 239, .9); border: 1px solid rgba(23, 107, 88, .12); border-radius: 999px; font-size: 13px; font-weight: 600; }
.portal-eyebrow i { font-size: 7px; }
.hero-content h1 { max-width: 620px; margin: 24px 0 24px; color: var(--qh-ink); font-size: clamp(42px, 5vw, 66px); line-height: 1.16; letter-spacing: -.045em; font-weight: 750; }
.hero-content h1 em { font-style: normal; white-space: nowrap; }
.hero-content h1 span { display: block; color: var(--qh-green); }
.hero-lead { max-width: 610px; margin: 0; color: var(--qh-ink-soft); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 26px; color: #5d756f; font-size: 13px; }
.hero-trust i { margin-right: 5px; color: var(--qh-green-light); }
.preview-wrap { position: relative; }

.product-preview { position: relative; width: calc(100% + 44px); min-height: 445px; margin-left: -4px; background: #fff; border: 1px solid rgba(23, 107, 88, .14); border-radius: 18px; box-shadow: 0 30px 80px rgba(24, 70, 60, .19); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); transform-origin: center; overflow: hidden; }
.preview-toolbar { display: flex; height: 54px; padding: 0 18px; align-items: center; justify-content: space-between; color: #fff; background: linear-gradient(90deg, #174f44, #1f705e); font-size: 10px; }
.preview-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.preview-brand > span { display: inline-flex; width: 24px; height: 24px; align-items: center; justify-content: center; background: rgba(255,255,255,.15); border-radius: 7px; }
.preview-user { display: flex; gap: 10px; align-items: center; opacity: .88; }
.preview-body { display: flex; min-height: 390px; background: #f5f8f6; }
.preview-sidebar { width: 105px; padding: 18px 10px; color: #6b817b; background: #fff; border-right: 1px solid #e9efeb; }
.preview-sidebar span { display: flex; margin-bottom: 7px; padding: 9px 8px; align-items: center; gap: 7px; border-radius: 7px; font-size: 8px; }
.preview-sidebar span.active { color: var(--qh-green); background: var(--qh-mint); }
.preview-sidebar i { width: 12px; font-size: 10px; text-align: center; }
.preview-sidebar b { font-weight: 500; }
.preview-main { flex: 1; padding: 22px; }
.preview-heading { display: flex; align-items: center; justify-content: space-between; }
.preview-heading div { display: flex; flex-direction: column; }
.preview-heading small { color: #879b95; font-size: 8px; }
.preview-heading strong { margin-top: 2px; font-size: 13px; }
.preview-heading > span { padding: 5px 8px; color: #6e837d; background: #fff; border-radius: 5px; font-size: 7px; }
.preview-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.preview-metrics > div { position: relative; min-height: 92px; padding: 13px; background: #fff; border: 1px solid #ecf1ee; border-radius: 9px; }
.preview-metrics i { position: absolute; right: 12px; top: 12px; color: #50a78e; font-size: 12px; }
.preview-metrics small, .preview-metrics strong, .preview-metrics em { display: block; }
.preview-metrics small { color: #7b908a; font-size: 7px; }
.preview-metrics strong { margin: 3px 0 1px; font-size: 18px; }
.preview-metrics em { color: #57a88f; font-size: 6px; font-style: normal; }
.preview-panels { display: grid; grid-template-columns: 1.55fr 1fr; gap: 10px; margin-top: 11px; }
.preview-chart, .preview-todo { min-height: 158px; padding: 13px; background: #fff; border: 1px solid #ecf1ee; border-radius: 9px; }
.panel-title { display: flex; align-items: center; justify-content: space-between; font-size: 8px; }
.panel-title span { color: #8ba099; font-size: 6px; }
.chart-bars { display: flex; height: 100px; padding: 14px 4px 0; align-items: end; justify-content: space-between; border-bottom: 1px solid #e8efeb; background: repeating-linear-gradient(to bottom, transparent, transparent 24px, #eef3f0 25px); }
.chart-bars i { width: 9%; min-height: 15px; background: linear-gradient(to top, #2f8d74, #81c6ae); border-radius: 4px 4px 0 0; }
.preview-todo p { display: flex; margin: 13px 0 0; align-items: center; gap: 6px; color: #657a74; font-size: 7px; }
.preview-todo p i { color: #e1ad51; font-size: 5px; }
.preview-todo p span { flex: 1; }
.preview-todo p b { display: inline-flex; width: 18px; height: 18px; align-items: center; justify-content: center; color: var(--qh-green); background: var(--qh-mint); border-radius: 50%; }
.preview-float { position: absolute; z-index: 5; display: flex; padding: 11px 15px; gap: 10px; align-items: center; background: rgba(255,255,255,.95); border: 1px solid rgba(23,107,88,.12); border-radius: 12px; box-shadow: 0 14px 38px rgba(20,68,57,.18); }
.preview-float > i { display: inline-flex; width: 31px; height: 31px; align-items: center; justify-content: center; color: #fff; background: var(--qh-green-light); border-radius: 9px; }
.preview-float span { display: flex; flex-direction: column; }
.preview-float small { color: #789089; font-size: 8px; }
.preview-float strong { font-size: 9px; }
.preview-float-ai { right: -28px; bottom: 87px; }
.preview-float-safe { left: -28px; bottom: 25px; }
.preview-float-safe > i { background: #bf8c35; }

.portal-value-strip { position: relative; z-index: 3; background: #fff; border-bottom: 1px solid #edf2ef; }
.value-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 23px 0; }
.value-strip-grid > div { display: flex; padding: 0 24px; gap: 13px; align-items: center; border-right: 1px solid var(--qh-line); }
.value-strip-grid > div:first-child { padding-left: 0; }
.value-strip-grid > div:last-child { border-right: 0; }
.value-strip-grid i { color: var(--qh-green); font-size: 23px; }
.value-strip-grid span { display: flex; flex-direction: column; }
.value-strip-grid strong { font-size: 14px; }
.value-strip-grid small { color: #79908a; font-size: 11px; }

.saas-content-section { position: relative; padding: 84px 0; }
.saas-content-section-soft { background: var(--qh-mint-soft); }
.section-heading { max-width: 750px; margin: 0 auto 40px; text-align: center; }
.section-heading-left { max-width: 650px; margin: 0 0 34px; text-align: left; }
.section-kicker { display: inline-block; margin-bottom: 13px; color: var(--qh-green); font-size: 11px; font-weight: 700; letter-spacing: .19em; }
.section-heading h2, .trial-heading h2 { margin: 0 0 17px; color: var(--qh-ink); font-size: clamp(31px, 4vw, 43px); line-height: 1.28; letter-spacing: -.03em; font-weight: 700; }
.section-heading p, .trial-heading p { margin: 0; color: var(--qh-ink-soft); font-size: 16px; line-height: 1.9; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.capability-card { position: relative; min-height: 235px; padding: 28px; background: #fff; border: 1px solid var(--qh-line); border-radius: 18px; box-shadow: 0 11px 35px rgba(33, 78, 68, .05); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; overflow: hidden; }
.capability-card:hover { transform: translateY(-5px); border-color: rgba(23,107,88,.28); box-shadow: var(--qh-shadow); }
.capability-card::after { position: absolute; right: -50px; bottom: -55px; width: 125px; height: 125px; content: ""; background: var(--qh-mint); border-radius: 50%; opacity: .55; }
.capability-card.featured { grid-row: span 2; display: flex; flex-direction: column; min-height: 490px; color: #fff; background: linear-gradient(155deg, #1c705d, #103f36); border-color: transparent; }
.capability-card.featured::after { width: 240px; height: 240px; right: -95px; bottom: -90px; background: rgba(255,255,255,.08); }
.capability-icon { position: relative; z-index: 1; display: inline-flex; width: 50px; height: 50px; margin-bottom: 24px; align-items: center; justify-content: center; color: var(--qh-green); background: var(--qh-mint); border-radius: 14px; font-size: 21px; }
.featured .capability-icon { color: #fff; background: rgba(255,255,255,.13); }
.capability-card > span, .capability-card > div > span { position: relative; z-index: 1; color: var(--qh-green); font-size: 12px; font-weight: 700; }
.capability-card.featured > div > span { color: #9bd8c6; }
.capability-card h3 { position: relative; z-index: 1; margin: 8px 0 11px; font-size: 21px; }
.capability-card p { position: relative; z-index: 1; margin: 0; color: #647d76; font-size: 14px; line-height: 1.85; }
.capability-card.featured p { color: rgba(255,255,255,.75); }
.capability-card.featured h3 { color: #fff; }
.capability-card ul { position: relative; z-index: 1; padding: 0; margin: auto 0 18px; list-style: none; }
.capability-card li { padding: 11px 0; color: rgba(255,255,255,.84); border-bottom: 1px solid rgba(255,255,255,.11); font-size: 13px; }
.capability-card li::before { margin-right: 8px; color: #91d7c2; content: "\f00c"; font-family: FontAwesome; }

.scenario-layout { display: grid; grid-template-columns: .92fr 1.3fr; gap: 26px; align-items: stretch; }
.scenario-tabs { display: flex; flex-direction: column; gap: 10px; }
.scenario-tabs button { display: flex; width: 100%; padding: 19px 21px; align-items: center; gap: 15px; color: #607a73; background: transparent; border: 1px solid transparent; border-radius: 15px; text-align: left; transition: all .2s ease; }
.scenario-tabs button:hover, .scenario-tabs button.active, .scenario-tabs button[aria-selected="true"] { color: var(--qh-green-dark); background: #fff; border-color: var(--qh-line); box-shadow: 0 12px 30px rgba(34,76,67,.07); }
.scenario-tabs button > i:first-child { display: inline-flex; width: 42px; height: 42px; flex: 0 0 42px; align-items: center; justify-content: center; color: var(--qh-green); background: var(--qh-mint); border-radius: 11px; }
.scenario-tabs button > i:last-child { margin-left: auto; }
.scenario-tabs span { display: flex; flex-direction: column; }
.scenario-tabs strong { font-size: 15px; }
.scenario-tabs small { margin-top: 2px; color: #82958f; font-size: 11px; }
.scenario-panel { position: relative; min-height: 435px; padding: 40px; color: #fff; background: linear-gradient(145deg, #174f43, #216d5b); border-radius: 22px; box-shadow: var(--qh-shadow); overflow: hidden; }
.scenario-panel::after { position: absolute; right: -120px; bottom: -140px; width: 360px; height: 360px; content: ""; background: rgba(255,255,255,.055); border-radius: 50%; }
.scenario-visual { position: absolute; right: 38px; top: 36px; width: 195px; height: 124px; padding: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.11); border-radius: 16px; }
.scenario-visual-icon { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; color: #fff; background: rgba(255,255,255,.13); border-radius: 10px; }
.scenario-lines { display: flex; gap: 7px; margin-top: 18px; }
.scenario-lines i { display: block; width: 37px; height: 6px; background: rgba(255,255,255,.21); border-radius: 4px; }
.scenario-lines i:nth-child(2) { width: 58px; background: #6dc1a8; }
.scenario-label { display: block; margin-top: 128px; color: #9dd7c5; font-size: 12px; font-weight: 600; }
.scenario-panel h3 { max-width: 470px; margin: 9px 0 13px; color: #fff; font-size: 28px; line-height: 1.4; }
.scenario-panel > p { max-width: 520px; color: rgba(255,255,255,.72); font-size: 14px; }
.scenario-panel ul { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 13px; padding: 0; margin: 25px 0 0; list-style: none; }
.scenario-panel li { font-size: 12px; }
.scenario-panel li i { margin-right: 7px; color: #8dd2bd; }

.intelligence-section { color: #fff; background: #102f2a; overflow: hidden; }
.intelligence-section::before { position: absolute; inset: 0; content: ""; opacity: .16; background-image: radial-gradient(circle at 15% 15%, #65bea5 0, transparent 22%), radial-gradient(circle at 80% 80%, #c39444 0, transparent 20%); }
.intelligence-section::after { position: absolute; right: -50px; bottom: -150px; content: "AI"; color: rgba(255,255,255,.022); font-size: 390px; font-weight: 800; line-height: 1; letter-spacing: -.08em; pointer-events: none; }
.intelligence-section .container { position: relative; z-index: 2; }
.intelligence-section h2, .intelligence-grid h3 { color: #fff; }
.intelligence-heading .section-kicker { color: #82ccb6; }
.intelligence-heading p { color: rgba(255,255,255,.66); }
.ai-core-overview { padding: 20px; margin: 27px 0 13px; background: linear-gradient(145deg, rgba(72,173,143,.16), rgba(255,255,255,.045)); border: 1px solid rgba(132,211,187,.2); border-radius: 17px; box-shadow: inset 0 1px 0 rgba(255,255,255,.05); }
.ai-core-brand { display: flex; align-items: center; gap: 12px; }
.ai-core-brand > span { display: inline-flex; width: 48px; height: 48px; flex: 0 0 48px; align-items: center; justify-content: center; color: #123d33; background: linear-gradient(145deg, #a6e4d0, #58b99b); border-radius: 14px; box-shadow: 0 9px 24px rgba(54,167,133,.18); font-size: 18px; font-weight: 800; }
.ai-core-brand > div { display: flex; flex-direction: column; }
.ai-core-brand small { color: rgba(255,255,255,.53); font-size: 9px; letter-spacing: .12em; }
.ai-core-brand strong { color: #fff; font-size: 17px; }
.ai-core-brand em { display: inline-flex; padding: 5px 8px; margin-left: auto; gap: 5px; align-items: center; color: #9ee0cb; background: rgba(94,192,162,.1); border-radius: 999px; font-size: 10px; font-style: normal; white-space: nowrap; }
.ai-core-brand em i { font-size: 6px; }
.ai-capability-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; margin-top: 18px; align-items: center; }
.ai-capability-flow span { display: flex; min-height: 50px; padding: 8px 4px; flex-direction: column; gap: 4px; align-items: center; justify-content: center; color: rgba(255,255,255,.7); background: rgba(255,255,255,.045); border-radius: 9px; font-size: 9px; text-align: center; }
.ai-capability-flow span i { color: #83d0b8; font-size: 13px; }
.ai-capability-flow b { padding: 0 5px; color: rgba(255,255,255,.26); font-size: 11px; }
.intelligence-notice { display: flex; padding: 12px 14px; gap: 10px; align-items: flex-start; color: rgba(255,255,255,.68); background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; font-size: 11px; }
.intelligence-notice i { margin-top: 4px; color: #dfb666; }
.intelligence-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.intelligence-grid article { position: relative; padding: 28px; background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.1); border-radius: 17px; backdrop-filter: blur(8px); overflow: hidden; }
.intelligence-grid article:first-child { grid-column: span 2; }
.intelligence-grid article > span { display: inline-flex; width: 45px; height: 45px; align-items: center; justify-content: center; color: #9bd6c4; background: rgba(111,194,169,.13); border-radius: 13px; font-size: 19px; }
.intelligence-grid .ai-primary-card { padding: 31px; background: linear-gradient(135deg, rgba(68,169,139,.23), rgba(255,255,255,.07)); border-color: rgba(132,211,187,.24); }
.intelligence-grid .ai-primary-card::after { position: absolute; right: -15px; top: -40px; content: "AI"; color: rgba(255,255,255,.04); font-size: 150px; font-weight: 800; line-height: 1; }
.ai-card-top { position: relative; z-index: 2; display: flex; align-items: center; }
.ai-card-top > span { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; color: #173e35; background: linear-gradient(145deg, #b2ead8, #69c5a9); border-radius: 14px; font-size: 20px; }
.ai-card-top em { padding: 6px 9px; margin-left: 10px; color: #b2e6d6; background: rgba(109,196,169,.11); border-radius: 999px; font-size: 9px; font-style: normal; font-weight: 600; letter-spacing: .08em; }
.intelligence-grid h3 { margin: 17px 0 8px; font-size: 19px; }
.intelligence-grid .ai-primary-card h3 { position: relative; z-index: 2; margin-top: 18px; font-size: 24px; }
.intelligence-grid p { min-height: 52px; margin: 0 0 14px; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.8; }
.intelligence-grid .ai-primary-card p { position: relative; z-index: 2; max-width: 610px; min-height: 0; color: rgba(255,255,255,.72); font-size: 14px; }
.ai-tags { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 7px; margin: 17px 0 18px; }
.ai-tags span { padding: 6px 10px; color: #b9e6d9; background: rgba(8,48,39,.28); border: 1px solid rgba(153,221,201,.12); border-radius: 999px; font-size: 9px; }
.intelligence-grid b { color: #d6ad62; font-size: 11px; letter-spacing: .05em; }
.ai-primary-card b { position: relative; z-index: 2; }

.security-section { background: #fff; }
.security-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; }
.security-flow > div { position: relative; display: flex; min-height: 185px; padding: 24px 18px; flex-direction: column; align-items: center; justify-content: center; background: var(--qh-mint-soft); border: 1px solid var(--qh-line); border-radius: 17px; text-align: center; }
.security-flow > div > span { position: absolute; top: 12px; right: 15px; color: #b1c5be; font-size: 10px; font-weight: 700; }
.security-flow > div > i { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; color: var(--qh-green); background: #fff; border-radius: 16px; box-shadow: 0 8px 20px rgba(27,79,67,.08); font-size: 22px; }
.security-flow strong { margin: 17px 0 4px; font-size: 16px; }
.security-flow small { color: #728983; font-size: 11px; }
.security-flow > em { padding: 0 13px; color: #9ab7ae; font-size: 19px; font-style: normal; }

.trial-section { padding-top: 84px; color: #fff; background: linear-gradient(145deg, #153f36, #0d2c27); overflow: hidden; }
.trial-orb { position: absolute; border-radius: 50%; pointer-events: none; }
.trial-orb-one { width: 410px; height: 410px; top: -230px; right: -90px; background: rgba(79,165,139,.18); }
.trial-orb-two { width: 330px; height: 330px; left: -190px; bottom: -150px; background: rgba(201,151,62,.1); }
.trial-section .container { position: relative; z-index: 2; }
.trial-heading { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.trial-heading .section-kicker { color: #8ed2be; }
.trial-heading h2 { color: #fff; }
.trial-heading p { color: rgba(255,255,255,.65); }
.trial-shell { display: grid; grid-template-columns: 350px 1fr; max-width: 1080px; margin: 0 auto; background: #fff; border: 1px solid rgba(255,255,255,.1); border-radius: 24px; box-shadow: 0 35px 85px rgba(0,0,0,.22); overflow: hidden; }
.trial-summary { position: relative; padding: 42px 35px; color: #fff; background: linear-gradient(160deg, #236f5d, #14483d); overflow: hidden; }
.trial-summary::after { position: absolute; right: -100px; bottom: -110px; width: 280px; height: 280px; content: ""; background: rgba(255,255,255,.06); border-radius: 50%; }
.trial-plan-badge { display: inline-flex; padding: 7px 11px; gap: 7px; align-items: center; color: #f0d198; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; font-size: 10px; }
.trial-summary h3 { margin: 21px 0 4px; color: #fff; font-size: 25px; }
.trial-summary > p { margin: 0; color: rgba(255,255,255,.7); font-size: 12px; }
.trial-duration { display: flex; margin: 27px 0 20px; align-items: center; gap: 11px; }
.trial-duration strong { font-size: 50px; line-height: 1; }
.trial-duration span { color: rgba(255,255,255,.65); font-size: 11px; line-height: 1.45; }
.trial-features { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 7px; min-height: 65px; }
.trial-features span { display: inline-flex; min-height: 30px; padding: 5px 9px; gap: 5px; align-items: center; color: rgba(255,255,255,.82); background: rgba(255,255,255,.075); border-radius: 6px; font-size: 11px; }
.trial-features span i { color: #8fd5c0; }
.trial-scope-note { position: relative; z-index: 2; display: flex; margin-top: 13px !important; gap: 7px; align-items: flex-start; color: rgba(255,255,255,.68) !important; font-size: 11px !important; line-height: 1.65; }
.trial-scope-note i { margin-top: 4px; color: #e0b866; }
.trial-steps { position: relative; z-index: 2; margin-top: 35px; padding-top: 27px; border-top: 1px solid rgba(255,255,255,.12); }
.trial-steps > div { display: flex; margin-bottom: 19px; gap: 11px; align-items: center; }
.trial-steps b { display: inline-flex; width: 27px; height: 27px; flex: 0 0 27px; align-items: center; justify-content: center; color: #fff; background: rgba(255,255,255,.11); border-radius: 50%; font-size: 10px; }
.trial-steps span { display: flex; flex-direction: column; }
.trial-steps strong { color: #fff; font-size: 12px; }
.trial-steps small { color: rgba(255,255,255,.62); font-size: 11px; }
.trial-form-panel { min-height: 570px; padding: 40px 42px; color: var(--qh-ink); background: #fff; }
.form-panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 27px; }
.form-panel-heading div { display: flex; flex-direction: column; }
.form-panel-heading span { color: var(--qh-green); font-size: 12px; font-weight: 600; }
.form-panel-heading h3 { margin: 3px 0 0; font-size: 23px; }
.form-panel-heading > small { color: #607b73; font-size: 12px; }
.form-panel-heading > small i { margin-right: 4px; color: var(--qh-green); }
.form-section-label { display: flex; margin: 25px 0 12px; gap: 8px; align-items: center; color: #4a675f; font-size: 13px; font-weight: 600; }
.form-section-label:first-of-type { margin-top: 0; }
.form-section-label span { display: inline-flex; width: 21px; height: 21px; align-items: center; justify-content: center; color: #fff; background: var(--qh-green); border-radius: 50%; font-size: 9px; }
.form-section-label small { margin-left: auto; color: #7e928c; font-size: 11px; font-weight: 400; }
.trial-form-panel label:not(.agreement-check) { display: block; margin-bottom: 5px; color: #425f57; font-size: 12px; font-weight: 600; }
.trial-form-panel .form-control, .trial-form-panel .form-select { min-height: 46px; padding: 9px 12px; color: var(--qh-ink); background-color: #fbfcfb; border: 1px solid #dfe9e4; border-radius: 9px; font-size: 13px; }
.trial-form-panel .form-control:focus, .trial-form-panel .form-select:focus { background: #fff; border-color: #66ab96; box-shadow: 0 0 0 3px rgba(23,107,88,.1); }
.trial-form-panel .invalid-feedback { font-size: 9px; }
.input-action, .password-field { position: relative; }
.input-action .form-control { padding-right: 105px; }
.input-action button, .toggle-password { position: absolute; top: 50%; right: 7px; transform: translateY(-50%); border: 0; }
.input-action button { min-width: 88px; padding: 7px; color: var(--qh-green); background: var(--qh-mint); border-radius: 7px; font-size: 12px; font-weight: 600; }
.input-action button:disabled { color: #8ca099; cursor: not-allowed; }
.password-field .form-control { padding-right: 42px; }
.toggle-password { width: 32px; height: 32px; color: #759089; background: transparent; border-radius: 7px; }
.agreement-check { display: flex; margin: 24px 0 17px; gap: 9px; align-items: flex-start; color: #536e67; font-size: 12px; cursor: pointer; }
.agreement-check input { margin-top: 5px; accent-color: var(--qh-green); }
.agreement-check a { color: var(--qh-green); font-size: inherit; font-weight: 600; text-decoration: none; }
.agreement-check a:hover { color: var(--qh-green-dark); text-decoration: underline; }
.trial-submit { width: 100%; }
.form-footnote { margin: 13px 0 0; color: #637b75; font-size: 12px; line-height: 1.7; text-align: center; }
.portal-alert { padding: 11px 13px; margin-bottom: 16px; color: var(--qh-danger); background: #fff2f0; border: 1px solid #f2d0cc; border-radius: 9px; font-size: 11px; }
.portal-alert.success { color: var(--qh-green-dark); background: var(--qh-mint); border-color: #cce5da; }
.trial-success { max-width: 520px; padding: 75px 20px 20px; margin: 0 auto; text-align: center; }
.success-icon { display: inline-flex; width: 72px; height: 72px; margin-bottom: 20px; align-items: center; justify-content: center; color: #fff; background: linear-gradient(145deg, #4eaa8e, #176b58); border-radius: 50%; box-shadow: 0 13px 30px rgba(23,107,88,.22); font-size: 29px; }
.trial-success > small { display: block; color: var(--qh-green); font-weight: 600; }
.trial-success h3 { margin: 5px 0 10px; font-size: 27px; }
.trial-success > p { color: #688079; font-size: 13px; }
.trial-success dl { margin: 27px 0; padding: 5px 22px; background: var(--qh-mint-soft); border: 1px solid var(--qh-line); border-radius: 13px; }
.trial-success dl div { display: flex; padding: 12px 0; justify-content: space-between; border-bottom: 1px solid var(--qh-line); }
.trial-success dl div:last-child { border-bottom: 0; }
.trial-success dt { color: #768c86; font-size: 11px; font-weight: 400; }
.trial-success dd { margin: 0; color: var(--qh-ink); font-size: 12px; font-weight: 600; }
.success-reset { display: block; margin: 17px auto 0; color: #769089; background: transparent; border: 0; font-size: 10px; }

.portal-final-cta { padding: 34px 0; color: #fff; background: linear-gradient(90deg, #20705d, #155144); }
.portal-final-cta .portal-container > div { display: flex; align-items: center; gap: 20px; }
.portal-final-cta .portal-container > div > span { display: inline-flex; width: 55px; height: 55px; flex: 0 0 55px; align-items: center; justify-content: center; background: rgba(255,255,255,.1); border-radius: 15px; font-size: 23px; }
.portal-final-cta h2 { margin: 0 0 3px; color: #fff; font-size: 22px; }
.portal-final-cta p { margin: 0; color: rgba(255,255,255,.68); font-size: 12px; }
.portal-final-cta a { margin-left: auto; }

.portal-footer { padding: 42px 0 22px; color: #a9bab5; background: #0d2924; }
.footer-main { display: flex; padding-bottom: 25px; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand > div { display: flex; flex-direction: column; }
.footer-brand strong { color: #fff; font-size: 16px; }
.footer-brand small { margin-top: 3px; font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-links a { color: #b7c6c2; font-size: 12px; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-entities { display: flex; padding: 16px 0; gap: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-entities span { display: inline-flex; gap: 7px; align-items: center; color: #a9bbb5; font-size: 12px; }
.footer-entities span > i { color: #70bea6; font-size: 12px; }
.footer-entities b { margin-right: 2px; color: #c4d2ce; font-weight: 500; }
.footer-entities a { color: #a9bbb5; text-decoration: none; }
.footer-entities a:hover { color: #fff; }
.footer-bottom { display: flex; padding-top: 18px; gap: 18px; justify-content: space-between; color: #a9bbb5; font-size: 11px; }
.footer-legal-links { display: inline-flex; margin-left: auto; gap: 14px; justify-content: flex-end; order: 3; }
.footer-legal-links a, .footer-filing a { color: #a9bab5; text-decoration: none; }
.footer-legal-links a:hover, .footer-filing a:hover { color: #fff; }
.footer-filing { display: flex; gap: 13px; order: 2; }
.footer-filing a { color: #a9bab5; text-decoration: none; }

/* Portal 法务单页 */
.legal-html { padding-top: 0 !important; }
.legal-portal { background: #f5f8f6; }
.legal-page-main { min-height: 70vh; padding-top: 76px; }
.legal-page-hero { padding: 72px 0 62px; color: #fff; background: linear-gradient(145deg, #153f36, #0d2c27); }
.legal-page-hero .portal-container { position: relative; }
.legal-back { display: inline-flex; margin-bottom: 33px; gap: 7px; align-items: center; color: rgba(255,255,255,.66); font-size: 11px; text-decoration: none; }
.legal-back:hover { color: #fff; }
.legal-page-hero .section-kicker { color: #8ed2be; }
.legal-page-hero h1 { max-width: 850px; margin: 12px 0 14px; color: #fff; font-size: 44px; letter-spacing: -.03em; }
.legal-page-hero p { max-width: 760px; margin: 0; color: rgba(255,255,255,.67); font-size: 14px; line-height: 1.8; }
.legal-meta { display: flex; margin-top: 27px; gap: 23px; color: rgba(255,255,255,.52); font-size: 10px; }
.legal-meta span { display: inline-flex; gap: 6px; align-items: center; }
.legal-meta i { color: #7bc6af; }
.legal-page-body { padding: 55px 0 85px; }
.legal-document { max-width: 930px; padding: 55px 65px; margin: 0 auto; color: #3e5751; background: #fff; border: 1px solid var(--qh-line); border-radius: 20px; box-shadow: 0 20px 55px rgba(25,65,55,.08); font-size: 14px; line-height: 1.95; }
.legal-document .legal-intro { padding: 18px 20px; margin: 0 0 34px; color: #36584f; background: var(--qh-mint-soft); border-left: 4px solid var(--qh-green); border-radius: 0 11px 11px 0; }
.legal-document h2 { padding-bottom: 11px; margin: 42px 0 17px; color: var(--qh-ink); border-bottom: 1px solid var(--qh-line); font-size: 22px; }
.legal-document h2:first-child { margin-top: 0; }
.legal-document h3 { margin: 25px 0 10px; color: #234b40; font-size: 16px; }
.legal-document p { margin: 0 0 13px; }
.legal-document ul, .legal-document ol { padding-left: 23px; margin: 10px 0 18px; }
.legal-document li { margin-bottom: 8px; }
.legal-document strong { color: #234b40; }
.legal-document a { color: var(--qh-green); }
.legal-document table { width: 100%; margin: 18px 0 25px; border-collapse: collapse; font-size: 12px; }
.legal-document th, .legal-document td { padding: 12px 13px; vertical-align: top; border: 1px solid var(--qh-line); }
.legal-document th { color: #244d42; background: var(--qh-mint-soft); font-weight: 600; }
.legal-document .legal-signature { padding-top: 24px; margin-top: 40px; color: #6f847e; border-top: 1px solid var(--qh-line); text-align: right; }
.legal-page-footer { margin-top: 0; }

.portal-backtop { position: fixed; z-index: 30; right: 24px; bottom: 25px; display: none; width: 42px; height: 42px; color: var(--qh-green); background: #fff; border: 1px solid var(--qh-line); border-radius: 12px; box-shadow: 0 8px 25px rgba(26,70,60,.13); }
.portal-backtop.show { display: block; }
.mobile-trial-cta { display: none; }
@media (max-width: 1199px) {
    .product-preview { width: 100%; }
    .preview-float-ai { right: -5px; }
    .preview-float-safe { left: -5px; }
    .trial-shell { grid-template-columns: 315px 1fr; }
}

@media (max-width: 991px) {
    .portal-header, .portal-header.scrolled { background: rgba(255,255,255,.97); border-color: var(--qh-line); }
    .portal-header .navbar-collapse { padding: 14px 0 7px; }
    .portal-nav-links { margin: 0; }
    .portal-nav-actions { padding: 10px 0; }
    .portal-hero { padding-top: 118px; text-align: center; }
    .hero-content h1, .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-trust { justify-content: center; }
    .product-preview { max-width: 720px; margin: 5px auto 0; transform: none; text-align: left; }
    .value-strip-grid { grid-template-columns: 1fr 1fr; row-gap: 22px; }
    .value-strip-grid > div:nth-child(2) { border-right: 0; }
    .capability-grid { grid-template-columns: 1fr 1fr; }
    .capability-card.featured { grid-row: auto; min-height: 340px; }
    .scenario-layout { grid-template-columns: 1fr; }
    .scenario-tabs { display: grid; grid-template-columns: 1fr 1fr; }
    .trial-shell { grid-template-columns: 1fr; }
    .trial-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 25px; }
    .trial-summary .trial-plan-badge, .trial-summary h3, .trial-summary > p { grid-column: 1; }
    .trial-duration { grid-column: 1; }
    .trial-features { grid-column: 2; grid-row: 1 / span 4; align-content: start; }
    .trial-summary > .trial-scope-note { grid-column: 2; grid-row: 5; }
    .trial-steps { grid-column: span 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .trial-steps > div { margin: 0; }
}

@media (max-width: 767px) {
    html { scroll-padding-top: 68px; }
    .portal-header .navbar { min-height: 66px; }
    .brand-mark { width: 36px; height: 36px; }
    .brand-copy strong { font-size: 16px; }
    .brand-copy small { font-size: 7px; }
    .portal-nav-actions { flex-direction: column; align-items: stretch; }
    .portal-login-link { text-align: center; }
    .portal-hero { min-height: auto; padding: 104px 0 54px; }
    .hero-content h1 { margin-top: 19px; font-size: 38px; }
    .hero-lead { font-size: 15px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .portal-btn { width: 100%; }
    .hero-trust { gap: 10px 16px; font-size: 11px; }
    .product-preview { min-height: 345px; border-radius: 13px; }
    .preview-toolbar { height: 44px; }
    .preview-user span, .preview-sidebar b { display: none; }
    .preview-sidebar { width: 45px; padding: 13px 6px; }
    .preview-sidebar span { justify-content: center; }
    .preview-main { padding: 15px 11px; }
    .preview-metrics { gap: 5px; }
    .preview-metrics > div { min-height: 75px; padding: 9px; }
    .preview-metrics i, .preview-metrics em { display: none; }
    .preview-panels { grid-template-columns: 1fr; }
    .preview-todo { display: none; }
    .preview-chart { min-height: 120px; }
    .chart-bars { height: 75px; }
    .preview-float { display: none; }
    .value-strip-grid { grid-template-columns: 1fr; padding: 20px 0; row-gap: 0; }
    .value-strip-grid > div { padding: 15px 5px; border-right: 0; border-bottom: 1px solid var(--qh-line); }
    .value-strip-grid > div:last-child { border-bottom: 0; }
    .saas-content-section { padding: 62px 0; }
    .section-heading { margin-bottom: 29px; }
    .section-heading h2, .trial-heading h2 { font-size: 30px; }
    .section-heading p, .trial-heading p { font-size: 14px; }
    .capability-grid { grid-template-columns: 1fr; }
    .capability-card, .capability-card.featured { min-height: auto; padding: 25px; }
    .capability-card.featured ul { margin-top: 25px; }
    .scenario-tabs { grid-template-columns: 1fr; }
    .scenario-panel { min-height: 455px; padding: 28px; }
    .scenario-visual { position: relative; top: auto; right: auto; width: 100%; }
    .scenario-label { margin-top: 30px; }
    .scenario-panel ul { grid-template-columns: 1fr; }
    .intelligence-grid { grid-template-columns: 1fr; }
    .intelligence-grid article:first-child { grid-column: auto; }
    .intelligence-section::after { right: -30px; bottom: -80px; font-size: 230px; }
    .ai-core-overview { padding: 17px; }
    .ai-capability-flow { grid-template-columns: 1fr 1fr; gap: 7px; }
    .ai-capability-flow b { display: none; }
    .intelligence-grid .ai-primary-card { padding: 25px; }
    .security-flow { grid-template-columns: 1fr; gap: 10px; }
    .security-flow > div { min-height: 145px; }
    .security-flow > em { padding: 0; text-align: center; transform: rotate(90deg); }
    .trial-section { padding-top: 62px; }
    .trial-shell { border-radius: 16px; }
    .trial-summary { display: block; padding: 32px 25px; }
    .trial-features { margin-top: 10px; }
    .trial-steps { display: none; }
    .trial-form-panel { min-height: 0; padding: 31px 22px; }
    .form-panel-heading > small { display: none; }
    .trial-success { padding-top: 35px; }
    .portal-final-cta .portal-container > div { align-items: flex-start; flex-wrap: wrap; }
    .portal-final-cta .portal-container > div > span { display: none; }
    .portal-final-cta a { width: 100%; margin: 10px 0 0; }
    .footer-main, .footer-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
    .footer-legal-links { margin-left: 0; align-self: flex-end; }
    .footer-entities { flex-direction: column; gap: 10px; }
    .footer-links { gap: 14px 20px; }
    .mobile-trial-cta { position: fixed; z-index: 50; left: 16px; right: 16px; bottom: 13px; display: flex; height: 47px; align-items: center; justify-content: center; gap: 8px; color: #fff; background: linear-gradient(135deg, var(--qh-green-light), var(--qh-green-dark)); border-radius: 12px; box-shadow: 0 11px 29px rgba(17,76,62,.3); font-size: 13px; font-weight: 600; text-decoration: none; }
    .mobile-trial-cta:hover { color: #fff; }
    .portal-backtop { right: 16px; bottom: 72px; }
    .portal-footer { padding-bottom: 85px; }
    .legal-page-main { padding-top: 66px; }
    .legal-page-hero { padding: 48px 0 44px; }
    .legal-back { margin-bottom: 25px; }
    .legal-page-hero h1 { font-size: 34px; }
    .legal-meta { flex-direction: column; gap: 8px; }
    .legal-page-body { padding: 28px 0 55px; }
    .legal-document { padding: 30px 22px; border-radius: 14px; font-size: 13px; }
    .legal-document h2 { margin-top: 34px; font-size: 19px; }
    .legal-document table { display: block; overflow-x: auto; white-space: nowrap; }
    .legal-page-footer { padding-bottom: 30px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .portal-btn, .capability-card, .portal-header { transition: none; }
}