:root {
    --ink: #0b1830;
    --ink-2: #142642;
    --muted: #6d7b91;
    --line: #e5ebf3;
    --paper: #ffffff;
    --wash: #f4f7fb;
    --blue: #2478f2;
    --blue-deep: #1358c7;
    --cyan: #20b8c6;
    --green: #20a878;
    --amber: #e49a35;
    --shadow: 0 18px 55px rgba(21, 48, 86, .1);
    --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.contact-modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.site-main { overflow: hidden; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; color: #fff; background: rgba(8, 20, 39, .22); border-bottom: 1px solid rgba(255,255,255,.1); transition: background .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { background: rgba(8, 20, 39, .96); box-shadow: 0 8px 24px rgba(5, 15, 32, .16); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 34px; }
.site-logo, .footer-logo { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.logo-mark { display: inline-grid; flex: 0 0 43px; place-items: center; width: 43px; height: 48px; overflow: hidden; }
.logo-mark img { width: 40px; height: 45px; object-fit: contain; filter: drop-shadow(0 5px 12px rgba(0,0,0,.2)); }
.logo-copy { display: grid; line-height: 1.15; min-width: 0; }
.logo-text { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 16px; letter-spacing: 0; }
.logo-copy small { margin-top: 4px; color: rgba(255,255,255,.6); font-size: 10px; letter-spacing: 0; }
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; list-style: none; }
.main-nav a { position: relative; display: block; padding: 27px 0 25px; color: rgba(255,255,255,.78); font-size: 14px; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: 17px; left: 0; height: 2px; background: var(--cyan); transform: scaleX(0); transition: transform .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.service-status { display: inline-flex; align-items: center; gap: 7px; color: rgba(255,255,255,.66); font-size: 12px; white-space: nowrap; }
.service-status i { width: 7px; height: 7px; border-radius: 50%; background: #40d69b; box-shadow: 0 0 0 4px rgba(64,214,155,.15); }
.header-service-link { display: inline-flex; align-items: center; min-height: 38px; padding: 0 17px; border: 1px solid rgba(255,255,255,.42); border-radius: 5px; color: #fff; font-size: 13px; transition: .2s; }
.header-service-link:hover { border-color: #fff; background: #fff; color: var(--ink); }
.menu-toggle { display: none; width: 40px; height: 40px; margin-left: auto; border: 1px solid rgba(255,255,255,.3); border-radius: 5px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 19px; height: 2px; margin: 4px auto; background: #fff; }

.hero-section { position: relative; min-height: 700px; padding: 162px 0 118px; color: #fff; background: #07162b; isolation: isolate; }
.hero-backdrop { position: absolute; z-index: -2; inset: 0; overflow: hidden; background: linear-gradient(118deg, #061327 0%, #0a2341 58%, #0b2a48 100%); }
.hero-backdrop::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(105,173,225,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(105,173,225,.055) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(90deg, transparent 0%, #000 45%, #000 100%); }
.hero-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,14,29,.58), rgba(5,20,39,.12) 60%, rgba(5,18,34,.2)); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 66px; }
.hero-content { max-width: 620px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: 0; text-transform: uppercase; }
.hero-section .eyebrow { color: #9be5e9; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(32,184,198,.15); }
.hero-title { margin: 22px 0 20px; font-size: clamp(42px, 5vw, 66px); line-height: 1.16; letter-spacing: 0; font-weight: 760; }
.hero-title span { color: #69d8dd; }
.hero-subtitle { max-width: 555px; margin: 0; color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.9; }
.hero-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 23px; border: 1px solid transparent; border-radius: 5px; cursor: pointer; font-size: 14px; font-weight: 650; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--blue); box-shadow: 0 10px 24px rgba(36,120,242,.25); }
.btn-primary:hover { background: var(--blue-deep); box-shadow: 0 14px 30px rgba(36,120,242,.34); }
.btn-ghost { border-color: rgba(255,255,255,.48); color: #fff; background: rgba(255,255,255,.05); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.14); }
.btn-light { border-color: #fff; color: var(--ink); background: #fff; }
.btn-light:hover { background: #dff8fa; border-color: #dff8fa; }
.btn-large { min-height: 52px; padding: 0 28px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 25px; color: rgba(255,255,255,.58); font-size: 12px; }
.hero-proof span { margin-right: 5px; color: #69d8dd; font-weight: 800; }
.hero-visual { position: relative; min-width: 0; }
.hero-image-frame { position: relative; width: min(100%, 630px); margin-left: auto; overflow: visible; border: 1px solid rgba(116,188,226,.3); border-radius: 17px; box-shadow: 0 28px 85px rgba(0,0,0,.3); }
.hero-image-frame::before { content: ""; position: absolute; z-index: -1; inset: 18px -18px -18px 18px; border: 1px solid rgba(81,207,220,.24); border-radius: 17px; }
.hero-image-frame img { width: 100%; height: auto; aspect-ratio: 1200 / 820; object-fit: cover; border-radius: 16px; opacity: .98; }
.hero-floating-card { position: absolute; display: flex; align-items: center; gap: 10px; min-width: 174px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.42); border-radius: 8px; color: #fff; background: rgba(9,27,52,.84); box-shadow: 0 14px 34px rgba(0,0,0,.28); backdrop-filter: blur(12px); }
.hero-floating-card-top { top: 14%; right: -46px; }
.hero-floating-card-bottom { bottom: 9%; left: -35px; }
.hero-floating-card strong, .hero-floating-card small { display: block; line-height: 1.4; }
.hero-floating-card strong { font-size: 12px; }
.hero-floating-card small { color: rgba(255,255,255,.58); font-size: 10px; }
.hero-floating-card b { margin-left: auto; color: #66e0ca; font-size: 16px; }
.mini-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 7px; font-weight: 800; }
.mini-icon.blue { color: #75b5ff; background: rgba(36,120,242,.2); }
.mini-icon.green { color: #6ae2bb; background: rgba(32,168,120,.2); }
.hero-wave { position: absolute; right: -5%; bottom: -1px; left: -5%; height: 64px; background: var(--paper); clip-path: ellipse(61% 85% at 50% 100%); }

.trust-bar { position: relative; z-index: 3; margin-top: -25px; padding-bottom: 18px; background: var(--paper); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid rgba(86,152,205,.35); border-radius: 8px; background: #0b2748; box-shadow: 0 18px 45px rgba(22,54,91,.16); }
.trust-grid > div { position: relative; display: grid; align-content: center; min-height: 116px; padding: 18px 30px; border-right: 1px solid rgba(255,255,255,.1); }
.trust-grid > div:last-child { border-right: 0; }
.trust-grid strong { display: block; color: #5cdbdf; font-size: 27px; line-height: 1.2; font-weight: 760; font-variant-numeric: tabular-nums; }
.trust-grid small { display: block; margin-top: 9px; color: rgba(225,238,250,.7); font-size: 12px; }
.stat-live-dot { position: absolute; top: 22px; right: 22px; width: 7px; height: 7px; border-radius: 50%; background: #44d7a4; box-shadow: 0 0 0 5px rgba(68,215,164,.11); animation: statusPulse 2.2s ease-in-out infinite; }
@keyframes statusPulse { 0%,100% { opacity: .5; transform: scale(.88); } 50% { opacity: 1; transform: scale(1.15); } }

.operations-section { padding: 36px 0 0; background: #fff; }
.operations-layout { min-height: 252px; border-top: 1px solid #dfe7f0; border-bottom: 1px solid #dfe7f0; }
.operations-monitor { min-width: 0; padding: 29px 0 27px; }
.operations-monitor-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
.operations-monitor-head > div:first-child { display: grid; gap: 5px; }
.operations-monitor-head strong { color: #253b53; font-size: 14px; }
.operations-monitor-head small { display: flex; align-items: center; gap: 7px; color: #8a99aa; font-size: 10px; }
.operations-monitor-head small i { width: 6px; height: 6px; border-radius: 50%; background: #2bbb85; animation: statusPulse 2.2s ease-in-out infinite; }
.operations-legend { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 15px; color: #7b8b9e; font-size: 10px; }
.operations-legend span { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.operations-legend i { width: 17px; height: 3px; border-radius: 3px; background: #287ff0; }
.operations-legend .legend-super { background: #27b78f; }
.operations-legend .legend-tf { background: #ef9f24; }
.operations-chart { position: relative; width: 100%; height: 184px; margin-top: 8px; }
.operations-chart canvas { display: block; width: 100%; height: 100%; }

.section { padding: 110px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 45px; }
.section-heading.centered { display: block; text-align: center; }
.section-kicker { margin-bottom: 12px; }
.section-title { margin: 0; color: var(--ink); font-size: clamp(28px, 3.2vw, 42px); line-height: 1.28; letter-spacing: 0; }
.section-heading > p, .section-heading.centered > p { max-width: 450px; margin: 0 0 3px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.section-heading.centered > p { margin: 14px auto 0; }
.services-section { padding-top: 88px; background: #fff; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { position: relative; min-height: 390px; padding: 30px 29px 26px; border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 6px; background: #fff; box-shadow: 0 9px 30px rgba(25, 50, 88, .04); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-7px); border-color: #bfd4f6; box-shadow: var(--shadow); }
.service-card-super { border-top-color: var(--cyan); }
.service-card-tf { border-top-color: var(--amber); }
.service-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.service-index { color: #b9c6d8; font-size: 12px; font-weight: 750; letter-spacing: 0; }
.service-arrow { display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); font-size: 14px; }
.service-card h3 { margin: 0 0 12px; font-size: 22px; }
.service-card p { min-height: 78px; margin: 0 0 19px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.service-card ul { margin: 0; padding: 17px 0; border-top: 1px solid var(--line); list-style: none; }
.service-card li { display: flex; gap: 8px; margin: 8px 0; color: #45556e; font-size: 13px; }
.service-card li span { color: var(--green); font-weight: 800; }
.text-link, .outline-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; font-weight: 700; }
.text-link span, .outline-link span { transition: transform .2s; }
.text-link:hover span, .outline-link:hover span { transform: translateX(4px); }
.outline-link { padding: 12px 16px; border: 1px solid #c8d8ec; border-radius: 4px; }
.outline-link:hover { border-color: var(--blue); background: #f5f9ff; }

.capability-section { color: #fff; background: var(--wash); }
.capability-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 96px; align-items: center; }
.capability-intro .section-title { max-width: 380px; }
.capability-intro .section-title span { color: var(--blue); }
.capability-intro p { max-width: 400px; margin: 21px 0 27px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; border: 1px solid #dfe7f0; background: #dfe7f0; border-radius: 6px; }
.capability-item { display: flex; gap: 18px; min-height: 166px; padding: 27px 25px; background: #fff; }
.capability-icon { display: grid; flex: 0 0 44px; place-items: center; width: 44px; height: 44px; border-radius: 10px; font-size: 23px; font-weight: 700; }
.capability-icon.shield { color: #347ff0; background: #e8f1ff; }
.capability-icon.bolt { color: #1aa7ad; background: #e3f8f6; }
.capability-icon.chart { color: #cd8c2f; background: #fff3df; }
.capability-icon.support { color: #7c69ce; background: #f0edff; }
.capability-item h3 { margin: 0 0 8px; font-size: 16px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.process-section { background: #fff; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-item { position: relative; min-height: 204px; padding: 30px 30px 30px 0; border-right: 1px solid var(--line); }
.process-item:not(:first-child) { padding-left: 30px; }
.process-item:last-child { border-right: 0; }
.process-number { display: block; margin-bottom: 26px; color: #b7c4d4; font-size: 27px; font-weight: 750; }
.process-item h3 { margin: 0 0 9px; font-size: 17px; }
.process-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.article-section { background: var(--wash); }
.home-article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.home-article-card { overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: #fff; transition: transform .25s, box-shadow .25s; }
.home-article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.home-article-media { display: block; overflow: hidden; aspect-ratio: 1.8; background: #dce9f7; }
.home-article-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.home-article-card:hover .home-article-media img { transform: scale(1.04); }
.article-media-placeholder { position: relative; display: flex; height: 100%; align-items: center; justify-content: center; flex-direction: column; gap: 7px; overflow: hidden; color: #fff; background-color: #0a2545; background-image: linear-gradient(rgba(93,165,224,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(93,165,224,.1) 1px, transparent 1px), linear-gradient(135deg, #07192f, #0e3b68); background-size: 28px 28px, 28px 28px, auto; text-align: center; }
.article-media-placeholder::before { content: ""; position: absolute; width: 170px; height: 170px; border: 1px solid rgba(101,201,244,.2); border-radius: 50%; }
.article-media-placeholder-tf { background-color: #0b3a76; background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(135deg, #071e45, #086dc4); }
.article-placeholder-symbol { position: relative; z-index: 1; display: grid; place-items: center; width: 72px; height: 72px; border: 1px solid rgba(101,201,244,.42); border-radius: 8px; background: rgba(8,28,52,.55); box-shadow: 0 12px 34px rgba(0,0,0,.22); }
.article-placeholder-symbol img { width: 43px !important; height: 48px !important; object-fit: contain !important; transform: none !important; }
.article-media-placeholder-tf .article-placeholder-symbol { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.1); }
.article-media-placeholder-tf .article-placeholder-symbol img { width: 50px !important; height: 50px !important; }
.article-media-placeholder strong { position: relative; z-index: 1; font-size: 12px; letter-spacing: 0; }
.article-media-placeholder small { position: relative; z-index: 1; color: rgba(255,255,255,.62); font-size: 9px; letter-spacing: 0; }
.home-article-body { padding: 22px 23px 24px; }
.article-meta { display: flex; gap: 14px; color: #9aa7b8; font-size: 11px; }
.article-meta span + span { position: relative; padding-left: 14px; }
.article-meta span + span::before { content: ""; position: absolute; top: 50%; left: 0; width: 3px; height: 3px; border-radius: 50%; background: #aebbc9; }
.home-article-body h3 { margin: 12px 0 9px; font-size: 17px; line-height: 1.5; }
.home-article-body h3 a:hover { color: var(--blue); }
.home-article-body p { display: -webkit-box; overflow: hidden; min-height: 48px; margin: 0 0 17px; color: var(--muted); font-size: 13px; line-height: 1.8; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }

.faq-section { background: #fff; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; align-items: start; }
.faq-intro p { max-width: 310px; margin: 20px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.faq-container { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 68px; padding: 0; border: 0; color: var(--ink); background: transparent; cursor: pointer; text-align: left; font-size: 15px; font-weight: 650; }
.faq-icon { display: grid; place-items: center; width: 24px; height: 24px; color: var(--blue); font-size: 21px; font-weight: 400; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.faq-answer p { max-width: 700px; margin: 0; padding: 0 35px 20px 0; color: var(--muted); font-size: 13px; line-height: 1.9; }

.cta-section { padding: 34px 0 110px; background: #fff; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 48px 58px; border-radius: 7px; color: #fff; background: linear-gradient(115deg, #0e2a4d, #123d71 62%, #14546e); box-shadow: 0 18px 50px rgba(18, 55, 96, .18); }
.cta-panel .section-kicker { color: #7de0dc; }
.cta-panel h2 { margin: 9px 0 8px; font-size: 29px; }
.cta-panel p { margin: 0; color: rgba(255,255,255,.67); font-size: 14px; }
.cta-panel .hero-buttons { margin: 0; }

.floating-contact { position: fixed; z-index: 90; right: 22px; bottom: 96px; display: flex; flex-direction: column; width: 68px; overflow: hidden; border: 1px solid #e1e8f1; border-radius: 10px; background: rgba(255,255,255,.97); box-shadow: 0 12px 36px rgba(40,66,101,.18); }
.floating-contact-item { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 75px; padding: 9px 3px; border: 0; border-bottom: 1px solid #e8edf4; color: #4e6078; background: transparent; cursor: pointer; font-size: 10px; text-align: center; }
.floating-contact-item:last-child { border-bottom: 0; }
.floating-contact-item::before { display: grid; place-items: center; width: 35px; height: 35px; margin-bottom: 5px; border-radius: 10px; color: #fff; background: var(--blue); font-size: 12px; font-weight: 800; }
.floating-contact-item.telegram-item::before { content: "TG"; background: #27a8e0; }
.floating-contact-item.qq-item::before { content: "QQ"; background: #547ef8; }
.floating-contact-item.wechat-item::before { content: "微"; background: #28b981; }
.floating-contact-item.online-item::before { content: "聊"; background: #8a68e8; }
.floating-contact-item:hover { color: var(--blue); background: #f5f9ff; }
.floating-contact-item.back-to-top { display: none; border-top: 1px solid #e8edf4; }
.floating-contact-item.back-to-top.is-visible { display: flex; }
.floating-contact-item.back-to-top::before { content: "↑"; background: var(--ink); font-size: 20px; line-height: 1; }
.floating-contact-item em { color: inherit; font-style: normal; }

.site-footer { padding: 66px 0 27px; color: #b4c0d0; background: #09182d; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 46px; padding-bottom: 45px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo { margin-bottom: 16px; color: #fff; }
.footer-logo-text { font-weight: 700; }
.footer-about p { max-width: 330px; margin: 0; color: #8292a8; font-size: 13px; line-height: 1.9; }
.footer-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.footer-trust span { padding: 5px 8px; border: 1px solid rgba(255,255,255,.14); border-radius: 3px; color: #a9bacb; font-size: 10px; }
.footer-links h4 { margin: 0 0 17px; color: #fff; font-size: 14px; }
.footer-links ul { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin: 9px 0; color: #8392a7; font-size: 12px; line-height: 1.7; }
.footer-links a { color: #a1afc0; transition: color .2s; }
.footer-links a:hover { color: #6ddadd; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 23px; color: #68798f; font-size: 11px; }
.footer-bottom p { margin: 0; }

.contact-modal[hidden] { display: none; }
.contact-modal { position: fixed; z-index: 1000; inset: 0; display: flex; align-items: center; justify-content: center; padding: 20px; }
.contact-modal-overlay { position: absolute; inset: 0; background: rgba(4,15,32,.72); backdrop-filter: blur(5px); }
.contact-modal-box { position: relative; z-index: 1; width: min(100%, 390px); padding: 32px 28px 27px; border: 1px solid #dce8f4; border-radius: 8px; background: #fff; box-shadow: 0 22px 70px rgba(0,0,0,.25); text-align: center; }
.contact-modal-box h2 { margin: 0 0 7px; color: var(--ink); font-size: 22px; }
.contact-modal-box p { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.contact-modal-close { position: absolute; top: 9px; right: 10px; width: 32px; height: 32px; border: 0; border-radius: 50%; color: #718097; background: #f1f5f9; cursor: pointer; font-size: 23px; line-height: 1; }
.contact-value { display: flex; align-items: center; justify-content: center; min-height: 52px; margin-bottom: 16px; padding: 10px 15px; border: 1px solid #dbe7f2; border-radius: 5px; color: var(--blue); background: #f6faff; font-size: 17px; font-weight: 700; word-break: break-all; }
.contact-copy { width: 100%; }
.contact-copy-status { min-height: 23px; margin-top: 10px; color: var(--muted); font-size: 12px; }
.contact-copy-status.is-success { color: var(--green); }

.breadcrumb { padding: 104px 0 17px; border-bottom: 1px solid var(--line); background: var(--wash); }
.breadcrumb ul { display: flex; gap: 12px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 12px; color: #bdc9d7; }
.breadcrumb a { color: var(--blue); }
.archive-page { --archive-accent: #42d1d0; --archive-accent-rgb: 66,209,208; background: #f6f8fb; }
.archive-page-chaoji { --archive-accent: #56a0ff; --archive-accent-rgb: 86,160,255; }
.archive-page-tf { --archive-accent: #f0aa45; --archive-accent-rgb: 240,170,69; }
.archive-page-jiaocheng { --archive-accent: #5bd19c; --archive-accent-rgb: 91,209,156; }
.archive-hero { position: relative; overflow: hidden; padding: 122px 0 56px; color: #fff; background: #081a33; }
.archive-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(99,157,209,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(99,157,209,.06) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent, #000 42%, #000); }
.archive-hero::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--archive-accent); }
.archive-hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr); align-items: center; gap: 80px; }
.archive-breadcrumb { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; color: rgba(255,255,255,.46); font-size: 11px; }
.archive-breadcrumb a { color: rgba(255,255,255,.72); }
.archive-breadcrumb strong { color: rgba(255,255,255,.52); font-weight: 500; }
.archive-kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--archive-accent); font-size: 11px; font-weight: 750; }
.archive-kicker i { width: 24px; height: 2px; background: var(--archive-accent); }
.archive-hero h1 { display: flex; align-items: baseline; gap: 18px; margin: 13px 0 14px; font-size: 44px; line-height: 1.2; }
.archive-hero h1 small { color: rgba(255,255,255,.48); font-size: 15px; font-weight: 500; }
.archive-hero-copy > p { max-width: 650px; margin: 0; color: rgba(231,240,250,.7); font-size: 14px; line-height: 1.9; }
.archive-hero-meta { display: flex; align-items: center; gap: 24px; margin-top: 24px; color: rgba(255,255,255,.48); font-size: 11px; }
.archive-hero-meta span { display: flex; align-items: center; gap: 6px; }
.archive-hero-meta b { color: var(--archive-accent); font-size: 18px; }
.archive-hero-visual { position: relative; display: grid; grid-template-columns: 128px 1fr; align-items: center; min-height: 170px; padding: 24px; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: rgba(12,40,72,.72); box-shadow: 0 24px 60px rgba(0,0,0,.22); }
.archive-visual-code { display: grid; place-items: center; width: 105px; height: 105px; border: 1px solid rgba(var(--archive-accent-rgb),.5); border-radius: 7px; color: var(--archive-accent); background: rgba(var(--archive-accent-rgb),.08); font-size: 34px; font-weight: 800; }
.archive-signal-list { display: grid; gap: 12px; }
.archive-signal-list span { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.74); font-size: 12px; }
.archive-signal-list i { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; color: #06182e; background: var(--archive-accent); font-size: 10px; font-style: normal; font-weight: 800; }
.archive-path { position: absolute; right: 17px; bottom: 14px; left: 154px; display: flex; justify-content: space-between; border-top: 1px dashed rgba(var(--archive-accent-rgb),.32); }
.archive-path i { width: 5px; height: 5px; margin-top: -3px; border-radius: 50%; background: var(--archive-accent); }
.category-switch { border-bottom: 1px solid var(--line); background: #fff; scrollbar-width: none; -ms-overflow-style: none; }
.category-switch::-webkit-scrollbar { display: none; }
.category-switch .container { display: flex; align-items: stretch; }
.category-switch a { position: relative; display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 66px; padding: 0 29px; color: #617086; font-size: 13px; font-weight: 650; }
.category-switch a::after { content: ""; position: absolute; right: 29px; bottom: -1px; left: 29px; height: 2px; background: var(--archive-accent); transform: scaleX(0); transition: transform .2s; }
.category-switch a span { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid #d9e2ec; border-radius: 4px; color: #8796a9; font-size: 9px; }
.category-switch a:hover, .category-switch a.active { color: var(--ink); }
.category-switch a.active::after { transform: scaleX(1); }
.category-switch a.active span { border-color: rgba(var(--archive-accent-rgb),.48); color: var(--archive-accent); background: rgba(var(--archive-accent-rgb),.08); }
.archive-content { padding: 70px 0 92px; }
.archive-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 34px; }
.archive-section-heading span { display: block; margin-bottom: 8px; color: var(--blue); font-size: 11px; font-weight: 750; }
.archive-section-heading h2 { margin: 0; font-size: 30px; }
.archive-section-heading > p { max-width: 410px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.archive-featured { display: grid; grid-template-columns: minmax(330px, .82fr) minmax(0, 1.18fr); min-height: 300px; margin-bottom: 24px; overflow: hidden; border: 1px solid #dce5ef; border-radius: 8px; background: #fff; box-shadow: 0 14px 42px rgba(26,56,91,.08); }
.archive-featured-visual { min-width: 0; background: #0b2748; }
.archive-featured-visual img { width: 100%; height: 100%; object-fit: cover; }
.featured-graphic { position: relative; display: grid; place-items: center; min-height: 100%; overflow: hidden; background-image: linear-gradient(rgba(111,169,215,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(111,169,215,.08) 1px, transparent 1px); background-size: 38px 38px; }
.featured-graphic::after { content: ""; position: absolute; width: 210px; height: 210px; border: 1px solid rgba(var(--archive-accent-rgb),.36); border-radius: 50%; }
.featured-graphic span { position: relative; z-index: 2; display: grid; place-items: center; width: 115px; height: 115px; border: 1px solid rgba(var(--archive-accent-rgb),.62); border-radius: 8px; color: var(--archive-accent); background: rgba(var(--archive-accent-rgb),.09); font-size: 37px; font-weight: 800; }
.featured-graphic i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--archive-accent); }
.featured-graphic i:nth-of-type(1) { top: 24%; left: 22%; }.featured-graphic i:nth-of-type(2) { right: 19%; bottom: 27%; }.featured-graphic i:nth-of-type(3) { top: 19%; right: 28%; }
.featured-graphic b { position: absolute; right: 20px; bottom: 17px; color: rgba(255,255,255,.3); font-size: 9px; }
.archive-featured-copy { display: flex; flex-direction: column; justify-content: center; padding: 39px 45px; }
.archive-featured-copy .article-meta { display: flex; align-items: center; gap: 13px; color: #98a6b7; font-size: 11px; }
.archive-featured-copy .article-meta span { padding: 4px 8px; border-radius: 3px; color: var(--blue); background: #edf5ff; font-weight: 700; }
.archive-featured-copy h2 { margin: 17px 0 13px; font-size: 26px; line-height: 1.45; }
.archive-featured-copy h2 a:hover { color: var(--blue); }
.archive-featured-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.archive-read-button { display: inline-flex; align-items: center; align-self: flex-start; gap: 12px; margin-top: 25px; color: var(--blue); font-size: 13px; font-weight: 700; }
.archive-read-button span { transition: transform .2s; }.archive-read-button:hover span { transform: translateX(4px); }
.archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.archive-card { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 300px; overflow: hidden; border: 1px solid #dfe7f0; border-radius: 7px; background: #fff; transition: transform .2s, box-shadow .2s, border-color .2s; }
.archive-card::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 2px; background: var(--archive-accent); transform: scaleX(.22); transform-origin: left; transition: transform .25s; }
.archive-card:hover { transform: translateY(-4px); border-color: #c9d9e9; box-shadow: var(--shadow); }
.archive-card:hover::before { transform: scaleX(1); }
.archive-card-top { display: flex; align-items: center; justify-content: space-between; min-height: 67px; padding: 15px 21px 11px; color: #b0bdcb; font-size: 10px; }
.archive-card-code { display: grid; place-items: center; width: 39px; height: 39px; border: 1px solid rgba(var(--archive-accent-rgb),.45); border-radius: 6px; color: var(--archive-accent); background: rgba(var(--archive-accent-rgb),.07); font-size: 10px; font-weight: 800; }
.archive-info { display: flex; flex: 1; flex-direction: column; padding: 6px 21px 22px; }
.archive-info .article-title { display: -webkit-box; overflow: hidden; margin: 12px 0 10px; font-size: 17px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.archive-info .article-title a:hover { color: var(--blue); }
.archive-info .article-excerpt { display: -webkit-box; overflow: hidden; margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.85; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.archive-info .article-meta { display: flex; align-items: center; gap: 10px; color: #9caabe; font-size: 10px; }
.archive-info .article-meta span::before { content: ""; display: inline-block; width: 3px; height: 3px; margin-right: 10px; border-radius: 50%; background: #b8c5d3; vertical-align: middle; }
.archive-info .text-link { margin-top: auto; }
.archive-empty { grid-column: 1 / -1; padding: 70px; color: var(--muted); text-align: center; }
.pagination { display: flex; justify-content: center; gap: 7px; margin-top: 45px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 11px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 12px; }
.pagination a:hover, .pagination .current { border-color: var(--blue); color: #fff; background: var(--blue); }
.pagination .pagination-ellipsis { border-color: transparent; background: transparent; }

.article-detail-page { background: #fff; }
.detail-header { padding: 72px 0 54px; text-align: center; background: var(--wash); }
.detail-header .container, .detail-content .container { width: min(100% - 48px, 900px); }
.single-category { display: inline-block; margin-bottom: 15px; padding: 5px 11px; border-radius: 3px; color: var(--blue); background: #e8f2ff; font-size: 11px; font-weight: 700; }
.detail-title { margin: 0 auto 16px; max-width: 820px; font-size: clamp(28px, 4vw, 45px); line-height: 1.35; }
.single-meta { display: flex; justify-content: center; gap: 15px; color: var(--muted); font-size: 12px; }
.single-meta span + span::before { content: "·"; margin-right: 15px; }
.detail-content { padding: 55px 0 100px; }
.detail-article { padding: 0; }
.article-featured-image { width: 100%; max-height: 500px; margin: 0 0 35px; border-radius: 7px; object-fit: cover; }
.article-lead { margin: 0 0 30px; padding: 18px 21px; border-left: 3px solid var(--blue); color: #53647a; background: var(--wash); font-size: 15px; line-height: 1.9; }
.detail-body { color: #35465e; font-size: 16px; line-height: 2; overflow-wrap: anywhere; }
.detail-body h2, .detail-body h3, .detail-body h4 { margin: 33px 0 12px; color: var(--ink); line-height: 1.45; }
.detail-body h2 { padding-left: 13px; border-left: 3px solid var(--blue); font-size: 24px; }
.detail-body h3 { font-size: 19px; }
.detail-body p { margin: 0 0 17px; }
.detail-body a { color: var(--blue); text-decoration: underline; }
.detail-body ul, .detail-body ol { padding-left: 25px; }
.detail-body blockquote { margin: 22px 0; padding: 15px 20px; border-left: 3px solid var(--cyan); color: #5c6e83; background: #f2fafb; }
.detail-body img { height: auto; margin: 24px auto; border-radius: 5px; }
.detail-body table { display: block; overflow-x: auto; width: 100%; border-collapse: collapse; }
.detail-body th, .detail-body td { padding: 9px 12px; border: 1px solid var(--line); text-align: left; }
.detail-cta { margin-top: 58px; padding: 37px; border: 1px solid #dce7f1; border-radius: 6px; background: var(--wash); text-align: center; }
.detail-cta h2 { margin: 0 0 8px; font-size: 22px; }
.detail-cta p { margin: 0; color: var(--muted); font-size: 13px; }
.detail-cta-buttons { justify-content: center; margin-top: 22px; }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
.text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1; transform: none; transition: none; }
    .stat-live-dot, .operations-monitor-head small i { animation: none; }
}

@media (max-width: 1100px) {
    .header-inner { gap: 20px; }
    .main-nav ul { gap: 17px; }
    .header-actions .service-status { display: none; }
    .hero-grid { gap: 35px; }
    .hero-floating-card-top { right: -15px; }
    .hero-floating-card-bottom { left: -15px; }
    .capability-layout, .faq-layout { gap: 50px; }
    .archive-hero-inner { gap: 38px; }
    .category-switch a { padding: 0 20px; }
    .category-switch a::after { right: 20px; left: 20px; }
}
@media (max-width: 800px) {
    .container { width: min(var(--container), calc(100% - 32px)); }
    .main-nav { position: absolute; top: 76px; right: 16px; left: 16px; display: none; padding: 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 6px; background: rgba(8,20,39,.98); box-shadow: 0 15px 35px rgba(0,0,0,.25); }
    .main-nav.active { display: block; }
    .main-nav ul { display: block; }
    .main-nav a { padding: 12px 14px; }
    .main-nav a::after { display: none; }
    .header-actions { display: none; }
    .menu-toggle { display: block; }
    .hero-section { min-height: 0; padding: 125px 0 82px; }
    .hero-grid, .capability-layout, .faq-layout { grid-template-columns: 1fr; }
    .hero-content { max-width: 100%; }
    .hero-visual { margin-top: 28px; }
    .hero-image-frame { width: calc(100% - 10px); margin-right: 5px; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid > div:nth-child(3), .trust-grid > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.1); }
    .trust-grid > div:nth-child(even) { border-right: 0; }
    .operations-monitor { padding: 27px 0 24px; }
    .section { padding: 75px 0; }
    .section-heading { display: block; margin-bottom: 30px; }
    .section-heading > p { margin-top: 15px; }
    .service-grid, .home-article-grid, .archive-grid { grid-template-columns: repeat(2, 1fr); }
    .capability-grid { margin-top: 10px; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .process-item:nth-child(2) { border-right: 0; }
    .process-item:nth-child(n+3) { border-top: 1px solid var(--line); }
    .process-item:nth-child(3) { padding-left: 0; }
    .cta-panel { display: block; padding: 36px 28px; }
    .cta-panel .hero-buttons { margin-top: 24px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 35px 25px; }
    .footer-about { grid-column: 1 / -1; }
    .archive-hero { padding: 104px 0 43px; }
    .archive-hero-inner { grid-template-columns: 1fr; gap: 30px; }
    .archive-breadcrumb { margin-bottom: 20px; }
    .archive-hero-visual { grid-template-columns: 105px 1fr; min-height: 145px; }
    .archive-visual-code { width: 82px; height: 82px; font-size: 27px; }
    .archive-path { left: 130px; }
    .category-switch { overflow-x: auto; }
    .category-switch .container { width: max-content; min-width: 100%; }
    .category-switch a { flex: 1 0 auto; min-height: 59px; padding: 0 20px; white-space: nowrap; }
    .archive-content { padding: 55px 0 75px; }
    .archive-featured { grid-template-columns: 1fr; }
    .archive-featured-visual { min-height: 240px; }
}
@media (max-width: 560px) {
    .hero-section { padding: 112px 0 67px; }
    .hero-title { margin-top: 18px; font-size: 36px; line-height: 1.2; }
    .hero-subtitle { font-size: 15px; }
    .hero-proof { gap: 10px 14px; font-size: 11px; }
    .hero-buttons { margin-top: 26px; }
    .hero-buttons .btn { flex: 1 1 0; min-width: 0; padding: 0 15px; }
    .hero-visual { margin-top: 34px; }
    .hero-image-frame { width: 100%; margin: 0; }
    .hero-image-frame::before { inset: 10px -7px -10px 7px; }
    .hero-floating-card { min-width: 132px; padding: 8px 9px; }
    .hero-floating-card-top { top: 7%; right: -6px; }
    .hero-floating-card-bottom { bottom: 5%; left: -6px; }
    .hero-floating-card b { font-size: 14px; }
    .mini-icon { width: 28px; height: 28px; }
    .hero-wave { height: 34px; }
    .trust-bar { margin-top: -9px; padding-bottom: 0; }
    .trust-grid { border-radius: 0; }
    .trust-grid > div { min-height: 94px; padding: 15px 16px; }
    .trust-grid strong { font-size: 20px; }
    .trust-grid small { margin-top: 7px; font-size: 10px; }
    .stat-live-dot { top: 17px; right: 14px; width: 6px; height: 6px; }
    .operations-section { padding-top: 25px; }
    .operations-layout { min-height: 0; }
    .operations-monitor { padding: 23px 0 21px; }
    .operations-monitor-head { display: grid; gap: 12px; }
    .operations-legend { justify-content: flex-start; gap: 11px; }
    .operations-chart { height: 168px; margin-top: 5px; }
    .services-section { padding-top: 66px; }
    .service-grid, .home-article-grid, .archive-grid, .capability-grid { grid-template-columns: 1fr; }
    .service-card { min-height: 0; }
    .service-card p { min-height: 0; }
    .capability-item { min-height: 0; }
    .process-grid { grid-template-columns: 1fr; }
    .process-item, .process-item:not(:first-child) { min-height: 0; padding: 23px 0; border-right: 0; }
    .process-item + .process-item { border-top: 1px solid var(--line); }
    .process-number { margin-bottom: 14px; }
    .faq-layout { gap: 35px; }
    .cta-section { padding-bottom: 75px; }
    .cta-panel h2 { font-size: 23px; }
    .cta-panel .hero-buttons, .detail-cta-buttons { flex-direction: column; align-items: stretch; }
    .cta-panel .btn, .detail-cta-buttons .btn { width: 100%; }
    .floating-contact { right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); left: 10px; flex-direction: row; width: auto; }
    .floating-contact-item { flex: 1 1 0; min-width: 0; min-height: 60px; border-right: 1px solid #e8edf4; border-bottom: 0; font-size: 9px; }
    .floating-contact-item::before { width: 28px; height: 28px; margin-bottom: 3px; border-radius: 8px; }
    .floating-contact-item.back-to-top { border-top: 0; }
    .site-footer { padding: 42px 0 98px; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 27px 18px; padding-bottom: 27px; }
    .footer-about, .footer-links:last-child { grid-column: 1 / -1; }
    .footer-about p { max-width: none; line-height: 1.75; }
    .footer-trust { margin-top: 14px; }
    .footer-links h4 { margin-bottom: 11px; }
    .footer-links li { margin: 6px 0; line-height: 1.55; }
    .footer-links:last-child ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px 14px; }
    .footer-links:last-child li { min-width: 0; margin: 0; overflow-wrap: anywhere; }
    .footer-bottom { padding-top: 18px; }
    .footer-bottom { display: block; line-height: 1.8; }
    .footer-bottom p + p { margin-top: 5px; }
    .breadcrumb { padding-top: 94px; }
    .archive-header { padding: 48px 0; }
    .archive-title { font-size: 30px; }
    .archive-hero { padding: 94px 0 34px; }
    .archive-hero h1 { display: block; margin-top: 10px; font-size: 34px; }
    .archive-hero h1 small { display: block; margin-top: 6px; font-size: 12px; }
    .archive-hero-copy > p { font-size: 13px; line-height: 1.75; }
    .archive-hero-meta { gap: 15px; margin-top: 18px; }
    .archive-hero-visual { grid-template-columns: 75px 1fr; min-height: 118px; padding: 17px; }
    .archive-visual-code { width: 58px; height: 58px; font-size: 20px; }
    .archive-signal-list { gap: 7px; }
    .archive-signal-list span { gap: 7px; font-size: 10px; }
    .archive-signal-list i { width: 17px; height: 17px; }
    .archive-path { right: 12px; bottom: 9px; left: 94px; }
    .category-switch .container { width: max-content; }
    .category-switch a { min-height: 55px; padding: 0 13px; font-size: 11px; }
    .category-switch a::after { right: 13px; left: 13px; }
    .category-switch a span { width: 23px; height: 23px; }
    .archive-content { padding: 43px 0 65px; }
    .archive-section-heading { display: block; margin-bottom: 24px; }
    .archive-section-heading h2 { font-size: 25px; }
    .archive-section-heading > p { margin-top: 10px; }
    .archive-featured { min-height: 0; margin-bottom: 17px; }
    .archive-featured-visual { min-height: 184px; }
    .featured-graphic span { width: 82px; height: 82px; font-size: 28px; }
    .featured-graphic::after { width: 145px; height: 145px; }
    .archive-featured-copy { padding: 25px 20px 27px; }
    .archive-featured-copy h2 { margin-top: 13px; font-size: 21px; }
    .archive-featured-copy p { font-size: 13px; line-height: 1.75; }
    .archive-card { min-height: 270px; }
    .archive-card-top { min-height: 59px; }
    .detail-header { padding: 49px 0 40px; }
    .detail-content { padding-top: 35px; }
    .detail-cta { padding: 27px 18px; }
    .detail-body { font-size: 15px; }
}