/* 前台主题与响应式布局 */
:root {
    --primary: #165DFF;
    --primary-dark: #0E42B2;
    --secondary: #0FC6C2;
    --accent: #FF7D00;
    --text: #1D2129;
    --muted: #4E5969;
    --subtle: #86909C;
    --background: #F7F8FA;
    --card: #FFFFFF;
    --header: rgba(255, 255, 255, .94);
    --border: #E5E6EB;
    --soft-primary: #EDF3FF;
    --soft-secondary: #E8FAFA;
    --hero-start: #F4F8FF;
    --hero-end: #F7FBFC;
    --footer: #101B32;
    --footer-text: #C4CEE0;
    --on-primary: #FFFFFF;
    --shadow: 0 12px 36px rgba(29, 33, 41, .07);
    --shadow-hover: 0 18px 48px rgba(22, 93, 255, .12);
    --radius: 18px;
}

body[data-theme="dark"] {
    --primary: #36CFC9;
    --primary-dark: #71E5E0;
    --secondary: #36CFC9;
    --accent: #FF7D00;
    --text: #EDF1F5;
    --muted: #C0C7D1;
    --subtle: #9AA5B2;
    --background: #121720;
    --card: #1B222D;
    --header: rgba(23, 29, 39, .96);
    --border: #35404D;
    --soft-primary: #203737;
    --soft-secondary: #203737;
    --hero-start: #121720;
    --hero-end: #19212B;
    --footer: #0B0F15;
    --footer-text: #BCC5D0;
    --on-primary: #121720;
    --shadow: 0 12px 36px rgba(0, 0, 0, .18);
    --shadow-hover: 0 18px 48px rgba(0, 0, 0, .28);
}

body[data-theme="green"] {
    --primary: #366B59;
    --primary-dark: #284F41;
    --secondary: #71A894;
    --text: #2C3333;
    --muted: #52605D;
    --subtle: #7B8985;
    --background: #F5F7F5;
    --card: #FFFFFF;
    --header: rgba(255, 255, 255, .95);
    --border: #DEE6E1;
    --soft-primary: #EAF1ED;
    --soft-secondary: #EDF5F1;
    --hero-start: #F0F5F1;
    --hero-end: #FAFBFA;
    --footer: #223D33;
    --footer-text: #D0DFD7;
    --on-primary: #FFFFFF;
    --shadow: 0 12px 36px rgba(44, 51, 51, .065);
    --shadow-hover: 0 18px 48px rgba(54, 107, 89, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    transition: background-color .25s, color .25s;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { line-height: 1.35; letter-spacing: -.02em; }
button, a, input, textarea, select, summary { -webkit-tap-highlight-color: transparent; }
a, button { transition: color .2s, background-color .2s, border-color .2s, box-shadow .2s, transform .2s; }
:focus-visible { outline: 3px solid var(--secondary); outline-offset: 3px; }
::selection { color: var(--text); background: color-mix(in srgb, var(--secondary) 35%, transparent); }
[hidden] { display: none !important; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 88px 0; }
.icon { flex: 0 0 auto; vertical-align: middle; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 9999; padding: 10px 18px; color: var(--on-primary); background: var(--primary); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 16px; color: var(--primary); font-size: 12px; font-weight: 700; line-height: 1.4; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 8px; height: 8px; background: var(--secondary); border-radius: 50%; box-shadow: 0 0 0 5px color-mix(in srgb, var(--secondary) 16%, transparent); }
.tag { display: inline-flex; align-items: center; width: fit-content; padding: 4px 10px; color: var(--primary); background: var(--soft-primary); border-radius: 6px; font-size: 12px; font-weight: 600; line-height: 1.5; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 10px 21px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 600; line-height: 1.4; white-space: nowrap; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--on-primary); background: var(--primary); box-shadow: 0 7px 18px color-mix(in srgb, var(--primary) 22%, transparent); }
.button-primary:hover { color: var(--on-primary); background: var(--primary-dark); box-shadow: 0 9px 25px color-mix(in srgb, var(--primary) 28%, transparent); }
.button-secondary { color: var(--text); background: var(--card); border-color: var(--border); }
.button-secondary:hover { color: var(--primary); border-color: var(--primary); }
.button-light { color: #165DFF; background: #FFFFFF; }
.button-light:hover { color: #0E42B2; box-shadow: 0 10px 26px rgba(0,0,0,.13); }
body[data-theme="dark"] .button-light { color: #121720; background: #36CFC9; }
body[data-theme="green"] .button-light { color: #366B59; }
.button-large { min-height: 52px; padding: 14px 26px; font-size: 15px; }
.button-block { width: 100%; }
.text-link, .card-link { display: inline-flex; align-items: center; gap: 7px; color: var(--primary); font-size: 14px; font-weight: 600; }
.text-link:hover, .card-link:hover { gap: 11px; color: var(--primary-dark); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-grid { display: grid; gap: 24px; }

/* 顶部导航 */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--header); border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; min-height: 78px; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; gap: 11px; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--on-primary); background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 65%, var(--secondary))); border-radius: 11px; box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 22%, transparent); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.35; }
.brand-copy strong { max-width: 190px; overflow: hidden; font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.brand-copy small { margin-top: 3px; color: var(--subtle); font-size: 10px; letter-spacing: .02em; }
.site-nav { display: flex; align-items: center; justify-content: center; flex: 1; gap: 3px; }
.site-nav > a:not(.button) { position: relative; padding: 25px 11px; color: var(--muted); font-size: 14px; font-weight: 500; white-space: nowrap; }
.site-nav > a:not(.button)::after { position: absolute; right: 12px; bottom: 14px; left: 12px; height: 2px; background: var(--primary); border-radius: 2px; content: ""; opacity: 0; transform: scaleX(.4); transition: .2s; }
.site-nav > a:hover, .site-nav > a.active { color: var(--primary); }
.site-nav > a.active::after { opacity: 1; transform: scaleX(1); }
.header-cta { flex: 0 0 auto; }
.nav-toggle, .nav-mobile-cta, .nav-backdrop { display: none; }

/* 首页首屏 */
.hero { position: relative; overflow: hidden; padding: 88px 0 84px; background: radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--secondary) 9%, transparent), transparent 34%), linear-gradient(125deg, var(--hero-start), var(--hero-end)); }
.hero::before { position: absolute; top: -180px; left: -150px; width: 460px; height: 460px; border: 1px solid color-mix(in srgb, var(--primary) 8%, transparent); border-radius: 50%; box-shadow: 0 0 0 65px color-mix(in srgb, var(--primary) 2%, transparent), 0 0 0 130px color-mix(in srgb, var(--primary) 2%, transparent); content: ""; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; }
.hero-copy h1 { max-width: 650px; margin-bottom: 23px; font-size: clamp(38px, 4.2vw, 56px); font-weight: 750; letter-spacing: -.045em; }
.hero-subtitle { max-width: 600px; margin-bottom: 31px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.hero-stats { display: flex; margin-top: 42px; }
.hero-stats > div { display: flex; flex-direction: column; min-width: 125px; padding-right: 28px; }
.hero-stats > div + div { padding-left: 28px; border-left: 1px solid var(--border); }
.hero-stats strong { margin-bottom: 2px; color: var(--text); font-size: 23px; line-height: 1.4; }
.hero-stats span { color: var(--subtle); font-size: 12px; }
.hero-visual { position: relative; min-height: 460px; }
.visual-grid { position: absolute; inset: 18px 0 0 28px; background-image: linear-gradient(color-mix(in srgb, var(--primary) 7%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--primary) 7%, transparent) 1px, transparent 1px); background-size: 30px 30px; border-radius: 30px; mask-image: linear-gradient(to bottom right, #000, transparent 78%); }
.system-card { position: absolute; top: 32px; right: 30px; left: 32px; overflow: hidden; background: color-mix(in srgb, var(--card) 94%, transparent); border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 26px 65px color-mix(in srgb, var(--primary) 12%, transparent); backdrop-filter: blur(10px); }
.system-card-head { display: flex; align-items: center; justify-content: space-between; padding: 13px 20px; border-bottom: 1px solid var(--border); }
.system-card-head > span { display: flex; gap: 5px; }
.system-card-head i { display: block; width: 7px; height: 7px; background: var(--border); border-radius: 50%; }
.system-card-head i:first-child { background: var(--secondary); }
.system-card-head small { color: var(--subtle); font-size: 9px; letter-spacing: .15em; }
.system-core { position: relative; display: flex; align-items: center; flex-direction: column; padding: 35px 20px 25px; color: var(--primary); }
.system-core > .icon { position: relative; z-index: 1; margin-bottom: 15px; }
.system-core strong { position: relative; z-index: 1; max-width: 90%; color: var(--text); font-size: 16px; text-align: center; }
.system-core small { position: relative; z-index: 1; margin-top: 5px; color: var(--subtle); font-size: 10px; letter-spacing: .18em; }
.core-ring { position: absolute; top: 12px; width: 92px; height: 92px; background: var(--soft-primary); border: 1px solid color-mix(in srgb, var(--primary) 16%, transparent); border-radius: 50%; box-shadow: 0 0 0 12px color-mix(in srgb, var(--primary) 3%, transparent); }
.system-services { display: grid; gap: 8px; padding: 0 24px 24px; }
.system-services > div { display: flex; align-items: center; gap: 11px; padding: 11px 13px; color: var(--muted); background: var(--background); border: 1px solid var(--border); border-radius: 9px; font-size: 12px; }
.system-services > div > .icon:last-child { margin-left: auto; color: var(--secondary); }
.service-mini-icon { display: inline-flex; color: var(--primary); }

/* 首页内容模块 */
.section-heading { margin-bottom: 34px; }
.section-heading .eyebrow { margin-bottom: 11px; }
.section-heading h2 { margin-bottom: 10px; font-size: 32px; }
.section-heading p { max-width: 660px; margin-bottom: 0; color: var(--muted); }
.heading-split { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.heading-split .text-link { margin-bottom: 6px; }
.service-grid { grid-template-columns: repeat(3, 1fr); }
.service-card { position: relative; display: flex; flex-direction: column; padding: 27px; transition: transform .25s, border-color .25s, box-shadow .25s; }
.service-card::before { position: absolute; top: 0; right: 22px; left: 22px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 0 0 4px 4px; content: ""; opacity: 0; transition: opacity .2s; }
.service-card:hover { border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.service-card:hover::before { opacity: 1; }
.card-topline { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 19px; }
.service-icon { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; color: var(--primary); background: var(--soft-primary); border-radius: 13px; }
.card-index { color: color-mix(in srgb, var(--subtle) 45%, transparent); font-size: 30px; font-weight: 700; line-height: 1; }
.service-card h3, .service-card h2 { margin-bottom: 11px; font-size: 20px; }
.service-card h3 a:hover, .service-card h2 a:hover, .case-card h2 a:hover, .case-card h3 a:hover, .post-card h2 a:hover, .note-card h3 a:hover { color: var(--primary); }
.service-card p { flex: 1; margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.service-card > .tag { margin: -4px 0 13px; }
.intro-section { padding-top: 0; }
.intro-panel { display: grid; grid-template-columns: 1.6fr .8fr; gap: 55px; padding: 45px 50px; background: var(--soft-primary); border: 1px solid color-mix(in srgb, var(--primary) 10%, var(--border)); border-radius: 22px; }
.rich-content { color: var(--muted); font-size: 16px; line-height: 1.95; overflow-wrap: anywhere; }
.rich-content h2, .rich-content h3, .rich-content h4 { margin: 1.45em 0 .65em; color: var(--text); }
.rich-content h2 { font-size: 28px; }
.rich-content h3 { font-size: 22px; }
.rich-content > :first-child { margin-top: 0; }
.rich-content > :last-child { margin-bottom: 0; }
.rich-content p { margin-bottom: 1.15em; }
.rich-content ul, .rich-content ol { margin: 0 0 1.25em; padding-left: 1.5em; }
.rich-content li { margin: .4em 0; padding-left: .2em; }
.rich-content li::marker { color: var(--primary); }
.rich-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.rich-content blockquote { margin: 1.5em 0; padding: 15px 20px; background: var(--soft-primary); border-left: 4px solid var(--primary); border-radius: 0 8px 8px 0; }
.rich-content pre { overflow-x: auto; padding: 20px; color: #DDE7F4; background: #17202C; border-radius: 10px; line-height: 1.65; }
.rich-content code { padding: 2px 5px; background: var(--soft-primary); border-radius: 4px; font-family: Consolas, Monaco, monospace; font-size: .9em; }
.rich-content pre code { padding: 0; background: none; }
.rich-content img { height: auto; margin: 22px auto; border: 1px solid var(--border); border-radius: 10px; }
.rich-content table { width: 100%; margin: 22px 0; border-collapse: collapse; font-size: 14px; }
.rich-content th, .rich-content td { padding: 10px 12px; border: 1px solid var(--border); text-align: left; }
.rich-content th { color: var(--text); background: var(--soft-primary); }
.intro-contact { align-self: center; padding-left: 36px; border-left: 1px solid color-mix(in srgb, var(--primary) 17%, var(--border)); }
.intro-contact h3 { margin: 18px 0 10px; font-size: 21px; }
.intro-contact p { margin-bottom: 21px; color: var(--muted); font-size: 14px; }
.cases-section { background: var(--card); }
.case-grid { grid-template-columns: repeat(3, 1fr); }
.case-card { overflow: hidden; box-shadow: none; transition: transform .25s, box-shadow .25s; }
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.case-cover { display: block; overflow: hidden; aspect-ratio: 16 / 9; background: var(--soft-primary); }
.case-cover > img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .case-cover > img { transform: scale(1.035); }
.case-cover-pattern { position: relative; display: flex; align-items: center; justify-content: center; height: 100%; color: var(--primary); background: linear-gradient(135deg, var(--soft-primary), color-mix(in srgb, var(--secondary) 12%, var(--card))); }
.case-cover-pattern::before, .case-cover-pattern::after { position: absolute; width: 160px; height: 160px; border: 1px solid color-mix(in srgb, var(--primary) 12%, transparent); border-radius: 50%; content: ""; }
.case-cover-pattern::after { width: 230px; height: 230px; }
.case-cover-pattern > span { display: flex; align-items: center; justify-content: center; z-index: 1; width: 82px; height: 82px; background: color-mix(in srgb, var(--card) 70%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 17%, transparent); border-radius: 22px; }
.case-cover-pattern small { position: absolute; right: 17px; bottom: 13px; color: var(--subtle); font-size: 11px; }
.case-body { padding: 23px 25px 25px; }
.case-body h3, .case-body h2 { margin: 13px 0 10px; font-size: 19px; }
.case-body p { display: -webkit-box; overflow: hidden; min-height: 48px; margin-bottom: 18px; color: var(--muted); font-size: 14px; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.note-list { display: grid; gap: 14px; }
.note-card { display: grid; grid-template-columns: 95px 1fr 44px; align-items: center; gap: 26px; padding: 24px 28px; box-shadow: none; }
.note-card:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); box-shadow: var(--shadow); }
.note-card time { display: flex; align-items: center; flex-direction: column; padding-right: 24px; border-right: 1px solid var(--border); }
.note-card time strong { color: var(--primary); font-size: 30px; line-height: 1.2; }
.note-card time span { margin-top: 4px; color: var(--subtle); font-size: 10px; white-space: nowrap; }
.note-card h3 { display: inline; margin: 0 0 0 12px; font-size: 18px; }
.note-card p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.round-link { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--primary); background: var(--soft-primary); border-radius: 50%; }
.round-link:hover { color: var(--on-primary); background: var(--primary); transform: translateX(3px); }
.cta-section, .compact-cta { padding-top: 0; }
.cta-panel { position: relative; display: flex; align-items: center; justify-content: space-between; overflow: hidden; gap: 35px; padding: 43px 50px; color: #FFFFFF; background: linear-gradient(120deg, #165DFF, #1748B7); border-radius: 22px; box-shadow: 0 18px 42px rgba(22,93,255,.18); }
.cta-panel::after { position: absolute; right: 12%; width: 260px; height: 260px; border: 45px solid rgba(255,255,255,.055); border-radius: 50%; content: ""; }
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel .eyebrow { margin-bottom: 10px; color: #BEE9FF; }
.cta-panel h2 { margin-bottom: 10px; color: #FFFFFF; font-size: 29px; }
.cta-panel p { max-width: 700px; margin: 0; color: #D9E7FF; font-size: 14px; }
body[data-theme="dark"] .cta-panel { background: linear-gradient(120deg, #272E3B, #1B3838); border: 1px solid #365D5C; box-shadow: none; }
body[data-theme="dark"] .cta-panel .eyebrow { color: #71E5E0; }
body[data-theme="green"] .cta-panel { background: linear-gradient(120deg, #366B59, #294E40); box-shadow: 0 18px 42px rgba(54,107,89,.16); }

/* 内页 */
.page-hero, .detail-hero { padding: 55px 0 58px; background: linear-gradient(125deg, var(--hero-start), var(--hero-end)); border-bottom: 1px solid var(--border); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 27px; color: var(--subtle); font-size: 12px; }
.breadcrumb a:hover { color: var(--primary); }
.page-hero .eyebrow { margin-bottom: 10px; }
.page-hero h1, .detail-hero h1 { margin-bottom: 13px; font-size: 40px; }
.page-hero p, .detail-hero p { max-width: 730px; margin: 0; color: var(--muted); font-size: 17px; }
.page-section { padding-top: 55px; }
.page-intro { margin-bottom: 32px; padding: 24px 28px; background: var(--card); border-left: 3px solid var(--primary); border-radius: 0 12px 12px 0; }
.post-grid { grid-template-columns: repeat(3, 1fr); }
.post-card { overflow: hidden; box-shadow: none; }
.post-cover { display: block; aspect-ratio: 16/9; overflow: hidden; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 25px; }
.post-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; }
.post-meta time { color: var(--subtle); font-size: 12px; }
.post-body h2 { margin-bottom: 11px; font-size: 19px; }
.post-body p { display: -webkit-box; overflow: hidden; min-height: 51px; margin-bottom: 18px; color: var(--muted); font-size: 14px; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; color: var(--muted); background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.pagination a:hover, .pagination a.active { color: var(--on-primary); background: var(--primary); border-color: var(--primary); }
.empty-state { padding: 60px 25px; color: var(--subtle); text-align: center; }
.empty-state h2 { margin: 15px 0 8px; color: var(--text); }
.empty-state p { margin-bottom: 22px; }
.detail-hero { padding-bottom: 52px; text-align: center; }
.detail-hero-inner { max-width: 940px; }
.detail-hero .breadcrumb { justify-content: center; }
.detail-hero h1 { margin-top: 16px; font-size: 38px; }
.detail-hero p { margin-inline: auto; }
.detail-meta { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 15px; color: var(--subtle); font-size: 12px; }
.detail-meta > * { display: inline-flex; align-items: center; gap: 6px; }
.detail-section { padding-top: 48px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; gap: 32px; }
.rich-content img { cursor: zoom-in; }
body.lightbox-open { overflow: hidden; }
.image-lightbox { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(9, 13, 20, .86); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.image-lightbox[hidden] { display: none; }
.image-lightbox img { width: auto; height: auto; max-width: min(1100px, 94vw); max-height: 88vh; background: #FFFFFF; border-radius: 10px; box-shadow: 0 24px 70px rgba(0, 0, 0, .45); cursor: zoom-out; }
.image-lightbox-close { position: absolute; top: 18px; right: 20px; width: 42px; height: 42px; padding: 0; color: #FFFFFF; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .35); border-radius: 50%; font-size: 26px; line-height: 1; }
.image-lightbox-close:hover { background: rgba(255, 255, 255, .28); }
.share-actions { display: flex; justify-content: center; margin-top: 22px; }
.share-button { font-size: 13px; }
.faq-main .share-actions { justify-content: flex-start; margin: 0 0 20px; }
.share-panel { position: fixed; inset: 0; z-index: 310; display: flex; align-items: center; justify-content: center; padding: 22px; background: rgba(9, 13, 20, .72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.share-panel[hidden] { display: none; }
.share-panel-card { position: relative; width: min(420px, 100%); padding: 28px 26px 24px; background: var(--card); border-radius: 16px; box-shadow: 0 24px 70px rgba(0, 0, 0, .32); }
.share-panel-card h2 { margin-bottom: 16px; font-size: 18px; }
.share-panel-close { position: absolute; top: 12px; right: 14px; width: 34px; height: 34px; padding: 0; color: var(--muted); background: transparent; border: 0; border-radius: 50%; font-size: 24px; line-height: 1; }
.share-panel-close:hover { color: var(--text); background: color-mix(in srgb, var(--border) 45%, transparent); }
.share-preview { display: flex; align-items: center; gap: 12px; padding: 10px; margin-bottom: 16px; background: var(--background); border: 1px solid var(--border); border-radius: 10px; }
.share-preview img { flex: 0 0 auto; width: 64px; height: 64px; object-fit: cover; border-radius: 8px; }
.share-preview strong { display: -webkit-box; overflow: hidden; font-size: 14px; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.share-preview small { display: block; margin-top: 4px; color: var(--subtle); font-size: 11px; }
.share-guide { margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.share-panel-actions { display: flex; justify-content: flex-end; }
.share-arrow { position: absolute; top: 24px; right: 30px; display: none; color: #FFFFFF; font-size: 44px; line-height: 1; text-shadow: 0 4px 18px rgba(0, 0, 0, .4); animation: share-arrow-pulse 1.5s ease-in-out infinite; }
.share-panel.is-wechat { align-items: flex-end; padding-bottom: 12vh; }
.share-panel.is-wechat .share-arrow { display: block; }
@keyframes share-arrow-pulse { 0%, 100% { opacity: .7; transform: translate(0, 0); } 50% { opacity: 1; transform: translate(5px, -5px); } }
.detail-article { overflow: hidden; padding: 42px 48px; box-shadow: none; }
.article-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 20px; color: var(--subtle); border-top: 1px solid var(--border); font-size: 12px; }
.article-footer a { color: var(--primary); }
.detail-aside, .about-aside, .booking-aside { display: grid; gap: 20px; }
.contact-sidebar { padding: 28px; text-align: center; box-shadow: none; }
.contact-sidebar .service-icon { margin: 0 auto 18px; }
.contact-sidebar h2 { margin-bottom: 10px; font-size: 21px; }
.contact-sidebar p { margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.sidebar-phone { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 17px; color: var(--primary); font-size: 16px; font-weight: 700; }
.related-card { padding: 24px; box-shadow: none; }
.related-card h2 { margin-bottom: 15px; font-size: 17px; }
.related-list { display: grid; }
.related-list a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 0; color: var(--muted); border-top: 1px solid var(--border); font-size: 13px; }
.related-list a:hover { color: var(--primary); }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; gap: 32px; }
.faq-list { display: grid; gap: 13px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: 13px; }
.faq-item[open] { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); box-shadow: var(--shadow); }
.faq-item summary { display: flex; align-items: center; gap: 15px; padding: 21px 23px; font-weight: 600; line-height: 1.6; list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-number { color: var(--primary); font-size: 13px; }
.faq-item summary > span:nth-child(2) { flex: 1; }
.faq-item summary i { position: relative; width: 18px; height: 18px; }
.faq-item summary i::before, .faq-item summary i::after { position: absolute; top: 8px; left: 3px; width: 12px; height: 2px; background: var(--primary); content: ""; transition: transform .2s; }
.faq-item summary i::after { transform: rotate(90deg); }
.faq-item[open] summary i::after { transform: rotate(0); }
.faq-answer { padding: 0 25px 22px 58px; color: var(--muted); font-size: 14px; }

/* 预约 */
.booking-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; gap: 30px; }
.booking-form-wrap { padding: 36px 40px; box-shadow: none; }
.booking-form { display: grid; gap: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: grid; gap: 8px; }
.form-group label { color: var(--text); font-size: 14px; font-weight: 600; }
em { color: #F53F3F; font-style: normal; }
.form-group input, .form-group textarea, .form-group select { width: 100%; min-height: 47px; padding: 11px 13px; color: var(--text); background: var(--background); border: 1px solid var(--border); border-radius: 8px; outline: none; transition: border-color .2s, box-shadow .2s; }
.form-group textarea { min-height: 145px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 12%, transparent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--subtle); }
.field-help { display: flex; justify-content: space-between; color: var(--subtle); font-size: 11px; }
.check-label { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 12px; cursor: pointer; }
.check-label input { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 3px; accent-color: var(--primary); }
.booking-form > .button { justify-self: start; min-width: 170px; border: 0; }
.form-note { margin: -10px 0 0; color: var(--subtle); font-size: 11px; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { margin-bottom: 24px; padding: 14px 17px; border: 1px solid; border-radius: 9px; font-size: 14px; }
.alert-success { display: flex; align-items: center; gap: 10px; color: #237B4B; background: #EDF9F1; border-color: #BEE5CC; }
.alert-error { color: #A62C2C; background: #FFF2F0; border-color: #F2C3BD; }
.alert-error ul { margin: 7px 0 0; padding-left: 20px; }
body[data-theme="dark"] .alert-success { color: #9BE3BA; background: #1D3628; border-color: #356247; }
body[data-theme="dark"] .alert-error { color: #FFB4A8; background: #3B2525; border-color: #673A36; }
.booking-info, .booking-direct { padding: 28px; box-shadow: none; }
.booking-info h2 { margin-bottom: 24px; font-size: 21px; }
.info-list { display: grid; gap: 20px; margin: 0; padding: 0; list-style: none; }
.info-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--primary); }
.info-list li > div { display: flex; flex-direction: column; }
.info-list strong { color: var(--text); font-size: 13px; }
.info-list span { color: var(--muted); font-size: 12px; }
.notice { margin: 24px 0 0; padding-top: 19px; color: var(--subtle); border-top: 1px solid var(--border); font-size: 12px; }
.booking-direct { display: flex; align-items: center; flex-direction: column; gap: 12px; color: var(--subtle); text-align: center; font-size: 12px; }
.booking-direct > a { display: flex; align-items: center; gap: 9px; color: var(--primary); font-size: 19px; font-weight: 700; }
.booking-direct img { margin: 5px 0; padding: 5px; background: #FFFFFF; border: 1px solid var(--border); border-radius: 8px; }

/* 关于 */
.about-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: start; gap: 32px; }
.about-content { padding: 42px 48px; box-shadow: none; }
.profile-card { padding: 30px; text-align: center; box-shadow: none; }
.profile-mark { display: flex; align-items: center; justify-content: center; width: 84px; height: 84px; margin: 0 auto 20px; color: var(--primary); background: var(--soft-primary); border-radius: 24px; }
.profile-card h2 { margin-bottom: 8px; font-size: 21px; }
.profile-card > p { color: var(--muted); font-size: 13px; }
.profile-card .info-list { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--border); text-align: left; }
.about-qr { display: flex; align-items: center; gap: 17px; padding: 20px; box-shadow: none; }
.about-qr img { width: 100px; height: 100px; padding: 4px; background: #FFFFFF; border: 1px solid var(--border); border-radius: 7px; }
.about-qr > div { display: flex; flex-direction: column; }
.about-qr strong { font-size: 14px; }
.about-qr span { margin-top: 5px; color: var(--subtle); font-size: 11px; }
.not-found { min-height: 58vh; text-align: center; }
.error-code { display: block; color: var(--primary); font-size: 100px; font-weight: 800; line-height: 1; opacity: .18; }
.not-found h1 { margin: -20px 0 15px; font-size: 34px; }
.not-found p { margin-bottom: 25px; color: var(--muted); }
.not-found .hero-actions { justify-content: center; }

/* 页脚与悬浮联系 */
.site-footer { padding: 58px 0 0; color: var(--footer-text); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .65fr 1fr auto; gap: 48px; padding-bottom: 40px; }
.footer-brand { color: #FFFFFF; }
.footer-brand .brand-copy small { color: var(--footer-text); }
.footer-about > p { max-width: 360px; margin: 20px 0 17px; color: var(--footer-text); font-size: 12px; line-height: 1.9; }
.footer-service-area { display: flex; align-items: center; gap: 8px; color: var(--secondary); font-size: 12px; }
.site-footer h2 { margin-bottom: 20px; color: #FFFFFF; font-size: 15px; }
.footer-link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 20px; font-size: 12px; }
.footer-links a:hover { color: var(--secondary); }
.footer-contact { display: flex; align-items: flex-start; flex-direction: column; gap: 12px; font-size: 12px; }
.footer-contact > a, .footer-contact > span { display: flex; align-items: center; gap: 8px; }
.footer-contact > a:hover { color: var(--secondary); }
.footer-qr { display: flex; align-items: center; flex-direction: column; gap: 9px; }
.footer-qr img { width: 96px; height: 96px; padding: 4px; background: #FFFFFF; border-radius: 7px; }
.footer-qr span { font-size: 10px; }
.footer-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 25px; padding-top: 20px; padding-bottom: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; }
.footer-bottom a:hover { color: var(--secondary); }
.floating-contact { position: fixed; right: max(22px, env(safe-area-inset-right)); bottom: max(24px, env(safe-area-inset-bottom)); z-index: 90; display: flex; align-items: flex-end; flex-direction: column; gap: 12px; }
.contact-fab { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 66px; min-height: 54px; padding: 12px 17px; color: #FFFFFF; background: var(--primary); border: 0; border-radius: 30px; box-shadow: 0 9px 30px color-mix(in srgb, var(--primary) 35%, transparent); font-size: 14px; font-weight: 600; }
.contact-fab:hover { transform: translateY(-3px); }
body[data-theme="dark"] .contact-fab { color: #FFFFFF; background: #D96800; box-shadow: 0 9px 30px rgba(255,125,0,.22); }
.contact-panel { position: relative; width: 285px; padding: 26px; color: var(--text); background: var(--card); border: 1px solid var(--border); border-radius: 17px; box-shadow: 0 20px 65px rgba(0,0,0,.18); }
.contact-panel .eyebrow { margin-bottom: 8px; }
.contact-panel h2 { margin-bottom: 8px; font-size: 19px; }
.contact-panel > p { color: var(--muted); font-size: 12px; }
.contact-close { position: absolute; top: 12px; right: 12px; display: flex; padding: 5px; color: var(--subtle); background: none; border: 0; }
.contact-phone { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 14px 0; color: var(--primary); font-weight: 700; }
.contact-qr { width: 135px; height: 135px; margin: 15px auto 5px; padding: 5px; background: #FFFFFF; border: 1px solid var(--border); border-radius: 8px; }
.contact-wechat { display: block; margin-bottom: 17px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 1120px) {
    .header-inner { gap: 16px; }
    .brand-copy small { display: none; }
    .site-nav > a:not(.button) { padding-inline: 8px; }
    .hero-grid { gap: 35px; }
    .footer-grid { gap: 30px; }
}

@media (max-width: 1080px) {
    .header-cta { margin-left: auto; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; order: 3; width: 44px; height: 44px; padding: 0; color: var(--text); background: none; border: 0; }
    .site-nav { position: fixed; top: 0; right: 0; bottom: 0; z-index: 102; display: flex; align-items: stretch; justify-content: flex-start; flex-direction: column; width: min(340px, 86vw); padding: 90px 25px 30px; background: var(--card); box-shadow: -20px 0 60px rgba(0,0,0,.15); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s, visibility .2s; }
    .site-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
    .site-nav > a:not(.button) { padding: 13px 9px; border-bottom: 1px solid var(--border); font-size: 15px; }
    .site-nav > a:not(.button)::after { display: none; }
    .nav-toggle { position: relative; z-index: 103; }
    .nav-mobile-cta { display: inline-flex; margin-top: 25px; }
    .nav-backdrop { position: fixed; inset: 0; z-index: 99; background: rgba(0,0,0,.42); }
    body.nav-open .nav-backdrop { display: block; }
    .service-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid > :last-child:nth-child(odd) { grid-column: span 2; }
    .hero-copy h1 { font-size: 43px; }
    .hero-stats > div { min-width: 105px; padding-right: 18px; }
    .hero-stats > div + div { padding-left: 18px; }
    .footer-grid { grid-template-columns: 1.2fr .8fr 1fr; }
    .footer-qr { display: none; }
}

@media (max-width: 860px) {
    .section { padding: 65px 0; }
    .hero { padding: 65px 0; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: 680px; }
    .hero-visual { width: min(520px, 100%); margin: 10px auto 0; }
    .intro-panel { grid-template-columns: 1fr; gap: 30px; }
    .intro-contact { padding: 27px 0 0; border-top: 1px solid color-mix(in srgb, var(--primary) 17%, var(--border)); border-left: 0; }
    .detail-layout, .faq-layout, .about-layout { grid-template-columns: 1fr; }
    .detail-aside, .about-aside { grid-template-columns: 1fr 1fr; align-items: start; }
    .about-aside > .button { align-self: stretch; }
    .booking-layout { grid-template-columns: 1fr; }
    .booking-aside { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1.3fr .7fr; }
    .footer-contact { grid-column: span 2; display: grid; grid-template-columns: repeat(3, 1fr); }
    .footer-contact h2 { grid-column: 1 / -1; margin-bottom: 0; }
}

@media (max-width: 640px) {
    .container { width: min(100% - 32px, 1180px); }
    .section { padding: 52px 0; }
    .header-inner { min-height: 66px; }
    .brand-mark { width: 37px; height: 37px; border-radius: 10px; }
    .brand-copy strong { max-width: 155px; font-size: 15px; }
    .header-cta { display: none; }
    .nav-toggle { margin-left: auto; }
    .hero { padding: 46px 0 45px; }
    .hero-copy h1 { margin-bottom: 18px; font-size: 34px; letter-spacing: -.035em; }
    .hero-subtitle { font-size: 16px; }
    .hero-actions .button { flex: 1; padding-inline: 15px; }
    .hero-stats { justify-content: space-between; margin-top: 33px; }
    .hero-stats > div { min-width: 0; flex: 1; padding-right: 10px; }
    .hero-stats > div + div { padding-left: 14px; }
    .hero-stats strong { font-size: 20px; }
    .hero-stats span { font-size: 10px; }
    .hero-visual { min-height: 405px; }
    .system-card { top: 28px; right: 8px; left: 8px; }
    .system-core { padding-top: 30px; }
    .section-heading h2 { font-size: 27px; }
    .section-heading p { font-size: 14px; }
    .heading-split { align-items: flex-start; flex-direction: column; gap: 14px; }
    .heading-split .text-link { margin: 0; }
    .service-grid, .case-grid, .post-grid { grid-template-columns: 1fr; gap: 17px; }
    .case-grid > :last-child:nth-child(odd) { grid-column: auto; }
    .service-card { padding: 24px; }
    .intro-section { padding-top: 0; }
    .intro-panel { padding: 28px 24px; }
    .rich-content { font-size: 15px; }
    .rich-content h2 { font-size: 24px; }
    .rich-content h3 { font-size: 20px; }
    .note-card { grid-template-columns: 1fr 40px; gap: 16px; padding: 22px; }
    .note-card time { align-items: baseline; flex-direction: row; grid-column: 1 / -1; gap: 8px; padding: 0 0 12px; border-right: 0; border-bottom: 1px solid var(--border); }
    .note-card time strong { font-size: 20px; }
    .note-card h3 { display: block; margin: 10px 0 0; font-size: 17px; }
    .note-card p { font-size: 13px; }
    .cta-panel { align-items: flex-start; flex-direction: column; padding: 31px 25px; }
    .cta-panel h2 { font-size: 24px; }
    .cta-panel .button { width: 100%; }
    .page-hero, .detail-hero { padding: 36px 0 40px; }
    .page-hero h1, .detail-hero h1 { font-size: 30px; }
    .page-hero p, .detail-hero p { font-size: 15px; }
    .breadcrumb { margin-bottom: 20px; }
    .page-section { padding-top: 35px; }
    .page-intro { padding: 20px; }
    .detail-section { padding-top: 30px; }
    .detail-article, .about-content { padding: 28px 22px; }
    .detail-aside, .about-aside, .booking-aside { grid-template-columns: 1fr; }
    .article-footer { align-items: flex-start; flex-direction: column; gap: 7px; }
    .faq-item summary { gap: 10px; padding: 18px; font-size: 14px; }
    .faq-answer { padding: 0 19px 19px 45px; }
    .booking-form-wrap { padding: 26px 20px; }
    .form-grid { grid-template-columns: 1fr; gap: 22px; }
    .booking-form > .button { width: 100%; }
    .about-qr { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-contact { grid-column: auto; display: flex; }
    .footer-contact h2 { margin-bottom: 8px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 6px; padding-bottom: 85px; }
    .floating-contact { right: 15px; bottom: 16px; }
    .contact-fab { min-height: 50px; padding: 10px 15px; }
    .contact-panel { width: min(285px, calc(100vw - 30px)); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
    .site-header, .site-footer, .floating-contact, .cta-section, .compact-cta, .detail-aside, .breadcrumb { display: none !important; }
    body { color: #000; background: #FFF; }
    .container { width: 100%; }
    .detail-layout, .about-layout { display: block; }
    .detail-article, .about-content { padding: 0; border: 0; }
}