:root {
    --bg: #f7f5ef;
    --paper: #ffffff;
    --ink: #151a20;
    --muted: #8f8f8f;
    --teal: #29c5c3;
    --teal-soft: #e6fcfa;
    --line: #dedbd3;
    --orange: #ff8a24;
    --shell: 1500px;
    --radius-lg: 50px;
    --radius-md: 30px;
    --shadow: 0 24px 70px rgba(21, 26, 32, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; font-size: 18px; line-height: 1.62; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.16; }
h1, h2 { white-space: pre-line; }
.shell { width: min(var(--shell), calc(100% - 80px)); margin: 0 auto; }
.narrow { max-width: 1050px; text-align: center; }
.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; }
.page-section { padding: 100px 0; }
.white-section { background: var(--paper); }
.eyebrow { display: block; margin-bottom: 20px; color: var(--teal); font-size: 26px; font-weight: 700; line-height: 1.3; }
.button { display: inline-flex; min-height: 72px; align-items: center; justify-content: center; padding: 20px 40px; border: 0; border-radius: 999px; font-weight: 650; line-height: 1; text-align: center; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 35px rgba(21,26,32,.16); }
.button-dark { color: #fff; background: var(--ink); }
.button-accent { color: var(--ink); background: var(--teal); }
.button-small { min-height: 68px; padding: 20px 32px; font-size: 16px; }
.button-row { display: flex; flex-wrap: wrap; gap: 20px; }
.text-link { color: var(--teal); font-size: 22px; font-weight: 700; }

/* Header */
.site-header { position: relative; z-index: 100; background: var(--bg); }
.header-inner { min-height: 108px; display: flex; align-items: center; gap: 44px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 16px; }
.brand-mark { width: 100px; height: 50px; object-fit: contain; }
.brand-word { width: 173px; height: 22px; object-fit: contain; }
.site-nav { display: flex; align-items: center; justify-content: center; gap: clamp(22px, 2.35vw, 54px); margin-left: auto; white-space: nowrap; }
.site-nav a { color: #909090; font-size: 16px; font-weight: 600; transition: color .2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 24px; margin-left: auto; white-space: nowrap; }
.language-switch { display: flex; align-items: center; gap: 5px; color: #909090; font-size: 13px; }
.language-switch a[aria-current="true"] { color: var(--ink); font-weight: 800; }
.login-link { font-size: 16px; font-weight: 700; }
.menu-toggle { display: none; width: 48px; height: 48px; border: 0; border-radius: 50%; background: var(--ink); padding: 12px; }
.menu-toggle span:not(.sr-only) { display: block; width: 23px; height: 2px; margin: 5px auto; background: #fff; }

/* Shared headings and hero */
.section-heading { max-width: 980px; margin-bottom: 60px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading h2 { margin-bottom: 24px; font-size: clamp(42px, 3vw, 56px); }
.section-heading p { margin: 0; color: #444a4f; font-size: 24px; line-height: 1.55; }
.dark-hero { display: flex; min-height: 438px; align-items: center; padding: 90px 0; color: #fff; background: var(--ink); }
.dark-hero.compact { min-height: 390px; }
.dark-hero h1 { margin-bottom: 22px; font-size: clamp(52px, 4.2vw, 76px); }
.dark-hero p { max-width: 950px; margin: 0 auto 34px; color: #c9ccce; font-size: 24px; }
.dark-hero .eyebrow { color: var(--teal); }

/* Home */
.home-hero { padding-top: 100px; padding-bottom: 100px; }
.home-hero-grid { display: grid; grid-template-columns: 1fr .94fr; align-items: center; gap: 54px; }
.hero-copy h1 { margin-bottom: 30px; font-size: clamp(58px, 4vw, 70px); }
.hero-copy > p:not(.hero-note) { margin-bottom: 30px; white-space: pre-line; font-size: 24px; line-height: 1.58; }
.hero-note { margin: 27px 0 0; color: var(--muted); font-size: 22px; }
.hero-visual { height: 500px; overflow: hidden; border-radius: var(--radius-lg); background: rgba(41,197,195,.12); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15); }
.press-strip { height: 113px; overflow: hidden; padding: 30px 0; background: var(--bg); }
.press-track { display: flex; width: max-content; gap: 50px; animation: pressMove 40s linear infinite; }
.press-track img { width: 136px; height: 40px; object-fit: contain; opacity: .72; filter: grayscale(1); }
@keyframes pressMove { to { transform: translateX(calc(-50% - 25px)); } }
.overview-section { padding-top: 100px; }
.feature-mosaic { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border-radius: var(--radius-lg); }
.mosaic-privacy { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; min-height: 380px; background: #fff; }
.mosaic-privacy > div { display: flex; flex-direction: column; justify-content: center; padding: 60px; }
.mosaic-privacy h3, .mosaic-card h3 { margin-bottom: 18px; white-space: pre-line; font-size: 34px; }
.mosaic-privacy p, .mosaic-card p { margin-bottom: 16px; font-size: 22px; }
.mosaic-privacy a { color: var(--teal); font-size: 21px; font-weight: 700; }
.mosaic-privacy img { width: 100%; height: 380px; object-fit: contain; background: #f3efe6; }
.mosaic-card { position: relative; min-height: 588px; padding: 60px; overflow: hidden; }
.mosaic-card img { position: absolute; right: 44px; bottom: 30px; left: 44px; width: calc(100% - 88px); height: 270px; object-fit: contain; }
.mosaic-ad { background: #ededed; }
.mosaic-speed { color: #fff; background: var(--ink); }
.mosaic-speed p { color: #d1d1d1; }
.mosaic-speed img { height: 220px; }
.mosaic-metrics { display: grid; grid-template-rows: 1fr 1fr; min-height: 588px; background: #fff; }
.mosaic-metrics > div { display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.mosaic-metrics > div:first-child { background: var(--teal-soft); }
.mosaic-metrics strong { font-size: 62px; line-height: 1; }
.mosaic-metrics span { margin-top: 10px; }
.mosaic-metrics img { position: absolute; bottom: 25px; width: 100px; height: 70px; object-fit: contain; }

/* Split layouts */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; }
.split-layout.reverse .split-visual { order: -1; }
.split-copy h1 { margin-bottom: 30px; font-size: clamp(54px, 3.8vw, 70px); }
.split-copy h2 { margin-bottom: 28px; font-size: clamp(44px, 3.2vw, 64px); }
.split-copy > p { margin-bottom: 26px; font-size: 24px; }
.split-copy small { display: block; margin-top: 24px; color: var(--muted); font-size: 18px; }
.split-visual { display: flex; min-height: 560px; align-items: center; justify-content: center; overflow: hidden; border-radius: var(--radius-lg); }
.split-visual.pale { background: rgba(41,197,195,.09); }
.split-visual.accent-panel { background: rgba(41,197,195,.18); }
.split-visual img { width: 88%; height: 520px; object-fit: contain; }
.tick-list { display: grid; gap: 12px; margin: 0 0 28px; padding: 0; list-style: none; font-size: 23px; }
.tick-list li { position: relative; padding-left: 42px; }
.tick-list li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }

/* Stats and reviews */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 40px 0 55px; text-align: center; }
.stat-grid div { display: flex; flex-direction: column; }
.stat-grid strong { color: var(--teal); font-size: 60px; font-weight: 600; line-height: 1.1; }
.stat-grid span { margin-top: 12px; color: var(--muted); font-size: 24px; }
.network-map { width: 100%; max-height: 690px; object-fit: contain; }
.reviews-section { background: var(--bg); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { min-height: 300px; padding: 50px; border-radius: 30px; background: #fff; }
.stars { margin-bottom: 20px; color: #ffa515; letter-spacing: 2px; }
.review-card > p { min-height: 90px; color: #797979; font-size: 20px; }
.review-person { display: flex; align-items: center; gap: 18px; }
.review-person img { width: 56px; height: 56px; border-radius: 50%; }
.review-person strong, .review-person span { display: block; }
.review-person span { color: var(--muted); font-size: 15px; }

/* Feature cards */
.feature-hero { padding-top: 90px; }
.feature-card-grid { display: grid; gap: 20px; }
.feature-card-grid.four { grid-template-columns: repeat(2, 1fr); }
.feature-card-grid.three { grid-template-columns: repeat(3, 1fr); }
.visual-card, .text-card { overflow: hidden; padding: 40px; border-radius: 30px; background: #fff; }
.white-section .visual-card, .white-section .text-card { background: var(--bg); }
.visual-card img { width: 100%; height: 250px; margin-bottom: 30px; object-fit: contain; border-radius: 20px; }
.visual-card h3, .text-card h3 { margin-bottom: 15px; font-size: 30px; }
.visual-card p, .text-card p { margin: 0; color: #666b6f; font-size: 19px; }
.text-card > span { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; margin-bottom: 60px; border-radius: 50%; color: #fff; background: var(--teal); font-weight: 800; }

/* Server list */
.server-panel { overflow: hidden; border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.server-tabs { display: flex; gap: 8px; padding: 24px; border-bottom: 1px solid #ece9e2; }
.server-tabs button { padding: 13px 25px; border: 0; border-radius: 999px; color: var(--muted); background: transparent; cursor: pointer; }
.server-tabs button.is-active { color: var(--ink); background: var(--teal); font-weight: 700; }
.server-row { display: grid; grid-template-columns: 2fr repeat(3, 1fr); padding: 20px 38px; border-bottom: 1px solid #efede7; text-align: center; }
.server-row > span:first-child { text-align: left; font-weight: 650; }
.server-head { color: var(--muted); background: #faf9f6; font-size: 15px; }

/* Pricing */
.pricing-area { padding-top: 70px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.pricing-card { position: relative; min-height: 720px; padding: 52px 46px; border-radius: 30px; background: #fff; }
.pricing-card.featured { box-shadow: inset 0 0 0 3px var(--teal), var(--shadow); }
.popular-badge { position: absolute; top: -20px; left: 50%; padding: 10px 26px; border-radius: 999px; background: var(--teal); transform: translateX(-50%); white-space: nowrap; }
.plan-name { text-align: center; }
.plan-name h2 { margin-bottom: 4px; font-size: 28px; }
.plan-name p { color: var(--muted); }
.plan-price { display: flex; align-items: baseline; justify-content: center; margin: 25px 0 0; }
.plan-price strong { font-size: 56px; line-height: 1; }
.plan-price span { margin-left: 6px; }
.old-price { height: 34px; color: #b0b0b0; text-align: center; text-decoration: line-through; }
.pricing-card .button { width: 100%; min-height: 62px; margin: 16px 0 35px; }
.compact-list { gap: 9px; font-size: 17px; }
.compact-list li { padding-left: 30px; }
.price-note, .download-note { margin: 28px 0 0; color: var(--muted); text-align: center; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit-card { display: grid; grid-template-columns: 150px 1fr; align-items: center; min-height: 220px; padding: 28px; border-radius: 30px; background: var(--bg); }
.benefit-card img { width: 140px; height: 140px; object-fit: contain; }
.benefit-card h3 { margin-bottom: 10px; font-size: 24px; }
.benefit-card p { margin: 0; color: var(--muted); font-size: 16px; }
.faq-wrap { max-width: 1050px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 28px 65px 28px 0; cursor: pointer; list-style: none; font-size: 22px; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 20px; right: 8px; width: 38px; height: 38px; border-radius: 50%; background: var(--teal); text-align: center; font-size: 27px; line-height: 36px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 850px; padding: 0 0 28px; color: var(--muted); }

/* Download */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform-card { padding: 50px; border-radius: 30px; background: #fff; text-align: center; }
.platform-card img { width: 78px; height: 78px; margin: 0 auto 25px; }
.platform-card h3 { margin-bottom: 5px; font-size: 30px; }
.platform-card p { color: var(--muted); }
.platform-card .button { width: 100%; min-height: 58px; margin-top: 15px; }
.browser-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.browser-buttons a { display: inline-flex; align-items: center; gap: 10px; padding: 14px 25px; border-radius: 999px; color: #fff; background: var(--ink); }
.browser-buttons img { width: 23px; height: 23px; filter: brightness(0) invert(1); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-card { position: relative; padding: 35px 35px 45px; border-radius: 30px; background: #fff; }
.step-card > span { position: absolute; top: 28px; left: 28px; display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; z-index: 2; border-radius: 50%; color: #fff; background: var(--teal); font-weight: 800; }
.step-card img { width: 100%; height: 240px; margin-bottom: 25px; object-fit: contain; }
.step-card h3 { margin-bottom: 10px; font-size: 28px; }
.step-card p { margin: 0; color: var(--muted); }

/* Help */
.help-hero { min-height: 540px; }
.help-search { display: flex; max-width: 760px; height: 72px; margin: 30px auto 0; padding: 7px 8px 7px 28px; border-radius: 999px; background: #fff; }
.help-search input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; }
.help-search button { width: 58px; border: 0; border-radius: 50%; background: var(--teal); cursor: pointer; font-size: 30px; }
.help-category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.help-card { padding: 48px; border-radius: 30px; background: #fff; text-align: center; }
.help-icon { display: flex; width: 66px; height: 66px; align-items: center; justify-content: center; margin: 0 auto 25px; border-radius: 50%; color: #fff; background: var(--teal); font-size: 32px; font-weight: 800; }
.help-card h2 { margin-bottom: 12px; font-size: 28px; }
.help-card p { min-height: 60px; color: var(--muted); }
.help-card .button { width: 100%; min-height: 58px; }
.support-band { padding: 80px 0; background: var(--teal); }
.support-band .shell { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.support-band .eyebrow { color: var(--ink); }
.support-band h2 { margin-bottom: 15px; font-size: 44px; }
.support-band p { margin: 0; }

/* Help article */
.article-hero { min-height: 480px; }
.article-tag { display: inline-block; margin-bottom: 20px; padding: 9px 18px; border-radius: 999px; color: var(--ink); background: var(--teal); font-size: 15px; font-weight: 800; }
.article-section { padding: 70px 0 100px; }
.article-layout { display: grid; grid-template-columns: 260px 1fr; align-items: start; gap: 28px; max-width: 1260px; }
.article-toc { position: sticky; top: 25px; padding: 30px; border-radius: 20px; background: #fff; }
.article-toc h2 { font-size: 22px; }
.article-toc a { display: block; margin: 12px 0; color: var(--muted); font-size: 14px; }
.article-toc a:hover { color: var(--teal); }
.article-content { display: grid; gap: 24px; }
.article-intro, .article-step, .related-box, .helpful-box { padding: 46px 52px; border-radius: 24px; background: #fff; }
.article-intro { font-size: 20px; }
.article-step { position: relative; display: flex; min-height: 560px; flex-direction: column; justify-content: flex-start; padding-top: 70px; padding-left: 105px; }
.article-step:nth-of-type(4) { min-height: 690px; }
.step-number { position: absolute; top: 40px; left: 45px; display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 50%; color: #fff; background: var(--teal); font-weight: 800; }
.article-step h2 { font-size: 30px; }
.article-step p { margin-bottom: 0; }
.article-tip { margin-top: 25px; padding: 18px 22px; border-radius: 12px; color: var(--muted); background: var(--bg); }
.related-box { min-height: 340px; color: var(--ink); background: var(--teal); }
.related-box > div { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.related-box a { padding: 18px; border-radius: 12px; background: #fff; font-weight: 650; }
.helpful-box { min-height: 230px; text-align: center; }
.helpful-box button { margin: 5px; padding: 12px 25px; border: 0; border-radius: 999px; cursor: pointer; }

/* Legal */
.legal-page { padding-top: 70px; }
.legal-cards { display: grid; grid-template-columns: 1fr; gap: 22px; max-width: 1200px; }
.legal-intro { grid-column: 1 / -1; margin-bottom: 20px; text-align: center; }
.legal-intro h2 { font-size: 42px; }
.legal-card { display: flex; min-height: 470px; flex-direction: column; justify-content: center; padding: 70px; border-radius: 25px; background: #fff; }
.legal-card h2, .legal-section h2 { font-size: 25px; }
.legal-card p, .legal-section p { margin: 0; color: #62676b; }
.legal-contact { grid-column: 1 / -1; padding: 45px; border-radius: 25px; background: var(--teal); text-align: center; }
.legal-contact a { text-decoration: underline; font-weight: 800; }
.legal-document { max-width: 1150px; padding: 65px 75px; border-radius: 30px; background: #fff; }
.legal-lead { margin-bottom: 45px; font-size: 21px; }
.legal-section { display: flex; min-height: 210px; flex-direction: column; justify-content: center; padding: 30px 0; border-top: 1px solid var(--line); }

/* Footer */
.final-cta { padding: 95px 0; color: #fff; background: var(--ink); text-align: center; }
.final-cta p { margin-bottom: 18px; color: var(--teal); font-weight: 700; }
.final-cta h2 { margin-bottom: 34px; font-size: 58px; }
.site-footer { color: #ddd; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 70px; padding-top: 75px; padding-bottom: 75px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-brand { filter: brightness(0) invert(1); }
.footer-intro p { max-width: 360px; margin-top: 25px; color: #93989b; }
.footer-grid h3 { color: #fff; font-size: 17px; }
.footer-grid > div:not(.footer-intro) a, .footer-grid > div:not(.footer-intro) span { display: block; margin: 13px 0; color: #93989b; font-size: 15px; }
.footer-grid a:hover { color: var(--teal) !important; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom .shell { display: flex; justify-content: space-between; padding-top: 25px; padding-bottom: 25px; color: #747a7e; font-size: 13px; }

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }