/* =====================================================
   QuickQ 官网全局样式 — 全站页面共用
   ===================================================== */
:root {
    --color-primary: #E84C3D;
    --color-primary-light: #F06A5A;
    --color-primary-dark: #C73A2B;
    --color-secondary: #103B7A;
    --color-secondary-dark: #0A264F;
    --color-secondary-light: #1D4F8F;
    --color-bg: #F4F7FC;
    --color-card: #FFFFFF;
    --color-text: #111827;
    --color-text-muted: #4B5563;
    --color-border: #E5E7EB;
    --color-success: #059669;
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.10);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif; background:var(--color-bg); color:var(--color-text); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; }
img, svg { max-width:100%; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* ===== 导航栏 ===== */
.navbar { position:fixed; top:0; left:0; right:0; z-index:1000; background:rgba(255,255,255,0.72); backdrop-filter:blur(16px) saturate(180%); border-bottom:1px solid rgba(255,255,255,0.3); transition:box-shadow var(--transition); }
.navbar.scrolled { box-shadow:0 4px 30px rgba(0,0,0,0.06); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; font-size:22px; color:var(--color-secondary); letter-spacing:-0.5px; flex-shrink:0; }
.brand svg { height:34px; width:auto; transition:transform var(--transition); }
.brand:hover svg { transform:rotate(-6deg) scale(1.06); }
.brand .brand-q { color:var(--color-primary); }
.nav-links { display:flex; align-items:center; gap:8px; list-style:none; }
.nav-links a { padding:6px 16px; border-radius:var(--radius-full); font-size:15px; font-weight:500; color:var(--color-text-muted); transition:all var(--transition); }
.nav-links a:hover { color:var(--color-secondary); background:rgba(16,59,122,0.06); }
.nav-links a.active { color:#fff; background:var(--color-secondary); box-shadow:0 4px 12px rgba(16,59,122,0.25); }
.nav-links a.active:hover { background:var(--color-secondary-dark); }
.nav-cta { background:var(--color-primary); color:#fff !important; padding:8px 24px !important; border-radius:var(--radius-full); font-weight:600; box-shadow:0 4px 14px rgba(232,76,61,0.35); transition:all var(--transition); }
.nav-cta:hover { background:var(--color-primary-dark) !important; transform:translateY(-2px); box-shadow:0 8px 25px rgba(232,76,61,0.4); color:#fff !important; }
.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:26px; height:2.5px; background:var(--color-secondary); border-radius:4px; transition:all 0.25s ease; }
.hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }
@media (max-width:900px) {
    .nav-links { position:fixed; top:72px; left:0; right:0; background:rgba(255,255,255,0.96); backdrop-filter:blur(20px); flex-direction:column; padding:24px; gap:8px; border-bottom:1px solid var(--color-border); transform:translateY(-120%); transition:transform 0.35s cubic-bezier(0.4,0,0.2,1); box-shadow:var(--shadow-md); align-items:stretch; }
    .nav-links.open { transform:translateY(0); }
    .nav-links a { padding:14px 20px; border-radius:var(--radius-sm); text-align:center; font-size:16px; }
    .nav-links a.active { background:var(--color-secondary); color:#fff; }
    .nav-cta { text-align:center; }
    .hamburger { display:flex; }
}

/* ===== Hero ===== */
.hero { padding:140px 0 80px; background:radial-gradient(ellipse at 20% 50%, #0A264F 0%, #103B7A 60%, #1D4F8F 100%); position:relative; overflow:hidden; isolation:isolate; }
.hero::before { content:''; position:absolute; width:600px; height:600px; background:radial-gradient(circle, rgba(232,76,61,0.15) 0%, transparent 70%); top:-200px; right:-100px; border-radius:50%; z-index:0; }
.hero::after { content:''; position:absolute; width:400px; height:400px; background:radial-gradient(circle, rgba(232,76,61,0.08) 0%, transparent 70%); bottom:-100px; left:-50px; border-radius:50%; z-index:0; }
.hero-grid { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.hero-content { color:#fff; }
.hero-badge { display:inline-block; background:rgba(232,76,61,0.2); backdrop-filter:blur(4px); border:1px solid rgba(232,76,61,0.3); padding:6px 20px; border-radius:var(--radius-full); font-size:13px; font-weight:600; letter-spacing:0.5px; color:var(--color-primary-light); margin-bottom:20px; }
.hero h1 { font-size:4rem; font-weight:800; line-height:1.1; letter-spacing:-2px; margin-bottom:12px; }
.hero h1 .highlight { background:linear-gradient(135deg, var(--color-primary-light), #FACC15); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero .subtitle { font-size:1.25rem; color:rgba(255,255,255,0.7); font-weight:400; max-width:500px; margin-bottom:32px; line-height:1.7; }
.hero-actions { display:flex; flex-wrap:wrap; gap:16px; margin-bottom:36px; }
.hero-single { text-align:center; }
.hero-single .subtitle { margin-left:auto; margin-right:auto; }
.hero-platforms { display:flex; flex-wrap:wrap; gap:12px; }
.hero-platforms span { background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.08); padding:6px 18px; border-radius:var(--radius-full); font-size:14px; font-weight:500; color:rgba(255,255,255,0.8); }
.hero-visual { display:flex; justify-content:center; align-items:center; }
.hero-visual .image-wrapper { background:rgba(255,255,255,0.04); backdrop-filter:blur(12px); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius-xl); padding:20px; box-shadow:0 40px 80px rgba(0,0,0,0.3); transition:transform 0.4s ease; }
.hero-visual .image-wrapper:hover { transform:scale(1.02); }
.hero-visual svg { width:100%; max-width:480px; height:auto; border-radius:var(--radius-md); }
@media (max-width:900px) {
    .hero-grid { grid-template-columns:1fr; gap:40px; }
    .hero-single { text-align:center; }
    .hero .subtitle { margin-left:auto; margin-right:auto; }
    .hero-actions { justify-content:center; }
    .hero-platforms { justify-content:center; }
    .hero h1 { font-size:2.8rem; }
    .hero { padding:120px 0 60px; }
    .hero-visual .image-wrapper { padding:12px; }
}

/* ===== 实时状态栏（玻璃态） ===== */
.status-glass { margin-top:-36px; margin-bottom:40px; position:relative; z-index:5; }
.status-glass .glass { background:rgba(255,255,255,0.75); backdrop-filter:blur(20px) saturate(180%); border:1px solid rgba(255,255,255,0.5); border-radius:var(--radius-xl); padding:24px 32px; box-shadow:var(--shadow-lg); display:flex; flex-wrap:wrap; align-items:center; justify-content:space-around; gap:16px; }
.status-item { display:flex; align-items:center; gap:12px; }
.status-item .label { font-size:13px; color:var(--color-text-muted); font-weight:500; }
.status-item .value { font-weight:700; font-size:18px; color:var(--color-secondary); }
.status-item .value.clock { font-family:'Inter',monospace; font-size:22px; background:var(--color-secondary); color:#fff; padding:2px 16px; border-radius:var(--radius-full); letter-spacing:1px; }
.status-item .value.green { color:var(--color-success); }
.status-divider { width:1px; height:40px; background:var(--color-border); }
.status-log { width:100%; padding-top:16px; margin-top:12px; border-top:1px solid var(--color-border); font-size:14px; color:var(--color-text-muted); display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.status-log strong { color:var(--color-secondary); font-weight:600; }
.status-log .tag { background:var(--color-primary); color:#fff; font-size:11px; font-weight:700; padding:2px 12px; border-radius:var(--radius-full); text-transform:uppercase; letter-spacing:0.5px; }
@media (max-width:640px) {
    .status-glass .glass { flex-direction:column; align-items:stretch; padding:20px; }
    .status-item { justify-content:center; }
    .status-divider { width:100%; height:1px; }
    .status-log { justify-content:center; text-align:center; }
}

/* ===== 面包屑 ===== */
.breadcrumb { padding:20px 0 0; font-size:14px; color:var(--color-text-muted); }
.breadcrumb ol { list-style:none; display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.breadcrumb li { display:flex; align-items:center; gap:8px; }
.breadcrumb li + li::before { content:'›'; color:var(--color-border); font-size:16px; }
.breadcrumb a { color:var(--color-text-muted); transition:color var(--transition); }
.breadcrumb a:hover { color:var(--color-primary); }
.breadcrumb [aria-current] { color:var(--color-secondary); font-weight:600; }

/* ===== 通用 Section ===== */
.section { padding:80px 0; }
.section-alt { background:#fff; }
.section-header { text-align:center; max-width:760px; margin:0 auto 56px; }
.section-header .overline { display:inline-block; font-size:13px; font-weight:700; letter-spacing:2px; text-transform:uppercase; color:var(--color-primary); background:rgba(232,76,61,0.08); padding:4px 20px; border-radius:var(--radius-full); margin-bottom:12px; }
.section-header h2 { font-size:2.6rem; font-weight:800; letter-spacing:-1px; color:var(--color-secondary); margin-bottom:12px; }
.section-header p { font-size:1.1rem; color:var(--color-text-muted); }
@media (max-width:640px) { .section { padding:56px 0; } .section-header h2 { font-size:2rem; } }

/* ===== 平台卡片 ===== */
.platform-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.platform-card { background:#fff; border-radius:var(--radius-md); padding:32px 20px; text-align:center; border:1px solid var(--color-border); transition:all var(--transition); box-shadow:var(--shadow-sm); position:relative; overflow:hidden; display:flex; flex-direction:column; }
.platform-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; background:linear-gradient(90deg, var(--color-primary), var(--color-secondary)); opacity:0; transition:opacity var(--transition); }
.platform-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-lg); border-color:transparent; }
.platform-card:hover::before { opacity:1; }
.platform-card .icon { font-size:40px; font-weight:800; color:var(--color-secondary); background:rgba(16,59,122,0.06); width:64px; height:64px; line-height:64px; text-align:center; border-radius:var(--radius-full); margin:0 auto 16px; }
.platform-card h3 { font-size:20px; font-weight:700; margin-bottom:8px; }
.platform-card p { font-size:14px; color:var(--color-text-muted); margin-bottom:20px; flex:1; }
.platform-card a { color:var(--color-primary); font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:4px; margin-top:auto; }
.platform-card a:hover { color:var(--color-primary-dark); }
@media (max-width:900px) { .platform-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px) { .platform-grid { grid-template-columns:1fr; } }

/* ===== 功能网格 ===== */
.feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; }
.feature-item { background:#fff; padding:32px 28px; border-radius:var(--radius-md); border:1px solid var(--color-border); transition:all var(--transition); position:relative; display:flex; flex-direction:column; gap:8px; }
.feature-item:hover { border-color:var(--color-secondary); box-shadow:var(--shadow-md); transform:translateY(-4px); }
.feature-item .f-icon { width:48px; height:48px; background:rgba(232,76,61,0.08); border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; margin-bottom:8px; color:var(--color-primary); transition:all var(--transition); }
.feature-item:hover .f-icon { background:var(--color-primary); color:#fff; box-shadow:0 8px 20px rgba(232,76,61,0.35); }
.feature-item .f-icon svg { width:26px; height:26px; stroke:currentColor; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.feature-item h3 { font-size:18px; font-weight:700; color:var(--color-secondary); }
.feature-item p { font-size:15px; color:var(--color-text-muted); line-height:1.6; }
.feature-item .order { position:absolute; top:12px; right:20px; font-size:48px; font-weight:800; color:rgba(16,59,122,0.04); line-height:1; pointer-events:none; }
@media (max-width:900px) { .feature-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px) { .feature-grid { grid-template-columns:1fr; } }

/* ===== 深度内容排版 ===== */
.prose { max-width:800px; margin:0 auto; background:#fff; padding:48px; border-radius:var(--radius-md); border:1px solid var(--color-border); box-shadow:var(--shadow-sm); }
.prose h3 { color:var(--color-secondary); font-size:22px; margin:32px 0 12px; }
.prose h3:first-child { margin-top:0; }
.prose h4 { color:var(--color-secondary); font-size:17px; margin:24px 0 8px; }
.prose p { color:var(--color-text-muted); line-height:1.9; margin-bottom:14px; font-size:16px; }
.prose strong { color:var(--color-secondary); }
.prose ul, .prose ol { margin:0 0 14px 22px; color:var(--color-text-muted); line-height:1.9; }
.prose li { margin-bottom:6px; }
.prose a { color:var(--color-primary); font-weight:600; }
.prose a:hover { color:var(--color-primary-dark); text-decoration:underline; }
@media (max-width:640px) { .prose { padding:28px 20px; } }

/* ===== 数据表格 ===== */
.table-wrap { overflow-x:auto; border-radius:var(--radius-md); border:1px solid var(--color-border); background:#fff; box-shadow:var(--shadow-sm); }
.data-table { width:100%; border-collapse:collapse; font-size:15px; min-width:560px; }
.data-table th { background:var(--color-secondary); color:#fff; padding:14px 20px; text-align:left; font-weight:600; white-space:nowrap; }
.data-table td { padding:14px 20px; border-top:1px solid var(--color-border); color:var(--color-text-muted); }
.data-table tr:nth-child(even) td { background:rgba(16,59,122,0.02); }
.data-table tr:hover td { background:rgba(232,76,61,0.04); }
.data-table td strong { color:var(--color-secondary); }

/* ===== 提示框 ===== */
.callout { border-radius:var(--radius-sm); padding:18px 22px; margin:18px 0; font-size:15px; line-height:1.8; border-left:4px solid; }
.callout-tip { background:rgba(5,150,105,0.06); border-color:var(--color-success); color:#065F46; }
.callout-warn { background:rgba(245,158,11,0.08); border-color:#F59E0B; color:#92400E; }
.callout-info { background:rgba(16,59,122,0.05); border-color:var(--color-secondary); color:var(--color-secondary-dark); }
.callout strong { font-weight:700; }

/* ===== 步骤/时间线 ===== */
.step-list { max-width:800px; margin:0 auto; display:flex; flex-direction:column; gap:32px; counter-reset:step; }
.step-card { background:#fff; border-radius:var(--radius-md); padding:36px; border:1px solid var(--color-border); box-shadow:var(--shadow-sm); position:relative; transition:all var(--transition); }
.step-card:hover { box-shadow:var(--shadow-md); border-color:rgba(16,59,122,0.3); }
.step-card h3 { color:var(--color-secondary); font-size:22px; margin-bottom:10px; display:flex; align-items:center; gap:12px; }
.step-card h3 .step-no { flex-shrink:0; width:38px; height:38px; border-radius:var(--radius-full); background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color:#fff; font-size:17px; font-weight:700; display:inline-flex; align-items:center; justify-content:center; box-shadow:0 4px 12px rgba(232,76,61,0.3); }
.step-card p { color:var(--color-text-muted); line-height:1.9; margin-bottom:10px; }
.step-card p:last-child { margin-bottom:0; }
.step-card strong { color:var(--color-secondary); }

/* ===== FAQ ===== */
.faq-accordion { max-width:800px; margin:0 auto; }
.faq-accordion details { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-sm); margin-bottom:12px; padding:0 20px; transition:all var(--transition); overflow:hidden; }
.faq-accordion details[open] { border-color:var(--color-secondary); box-shadow:var(--shadow-sm); }
.faq-accordion summary { padding:18px 0; font-weight:600; font-size:16px; color:var(--color-secondary); cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:12px; }
.faq-accordion summary::-webkit-details-marker { display:none; }
.faq-accordion summary::after { content:'+'; font-size:24px; font-weight:300; color:var(--color-primary); transition:transform 0.3s ease; flex-shrink:0; }
.faq-accordion details[open] summary::after { content:'−'; }
.faq-accordion .faq-body { padding:0 0 20px 0; color:var(--color-text-muted); border-top:1px solid var(--color-border); padding-top:16px; line-height:1.8; }
.faq-accordion .faq-body a { color:var(--color-primary); font-weight:600; }
.faq-accordion .faq-body a:hover { text-decoration:underline; }
.faq-cat { max-width:800px; margin:48px auto 20px; font-size:14px; font-weight:700; letter-spacing:2px; text-transform:uppercase; color:var(--color-primary); background:rgba(232,76,61,0.08); padding:4px 20px; border-radius:var(--radius-full); display:inline-block; }
.faq-cat-row { max-width:800px; margin:0 auto; }
.faq-link { display:block; text-align:center; margin-top:32px; font-weight:600; color:var(--color-primary); }
.faq-link:hover { color:var(--color-primary-dark); }

/* ===== 评价 ===== */
.review-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:32px; }
.review-card { background:#fff; padding:32px; border-radius:var(--radius-md); border:1px solid var(--color-border); box-shadow:var(--shadow-sm); display:flex; flex-direction:column; gap:12px; }
.review-card .stars { color:#F59E0B; font-size:18px; letter-spacing:4px; }
.review-card blockquote { font-size:16px; color:var(--color-text); font-style:italic; line-height:1.7; margin:4px 0; }
.review-card .author { display:flex; align-items:center; gap:14px; margin-top:8px; border-top:1px solid var(--color-border); padding-top:16px; }
.review-card .author .avatar { width:44px; height:44px; border-radius:50%; flex-shrink:0; box-shadow:0 4px 10px rgba(0,0,0,0.12); }
.review-card .author strong { font-weight:600; color:var(--color-secondary); }
.review-card .author .meta { font-size:13px; color:var(--color-text-muted); }
@media (max-width:640px) { .review-grid { grid-template-columns:1fr; } }

/* ===== 价格卡片 ===== */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; max-width:960px; margin:0 auto; }
.price-card { background:#fff; border-radius:var(--radius-md); padding:40px 28px; border:1px solid var(--color-border); text-align:center; transition:all var(--transition); position:relative; box-shadow:var(--shadow-sm); display:flex; flex-direction:column; }
.price-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.price-card.featured { border:2px solid var(--color-primary); box-shadow:0 16px 48px rgba(232,76,61,0.15); }
.price-card .plan-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--color-primary); color:#fff; padding:2px 20px; border-radius:var(--radius-full); font-size:13px; font-weight:600; white-space:nowrap; }
.price-card h3 { color:var(--color-secondary); font-size:24px; }
.price-card .price { font-size:40px; font-weight:800; color:var(--color-primary); margin:16px 0; }
.price-card .price small { font-size:16px; font-weight:400; color:var(--color-text-muted); }
.price-card ul { list-style:none; text-align:left; color:var(--color-text-muted); padding:0; margin:20px 0; flex:1; }
.price-card li { padding:8px 0; border-bottom:1px solid var(--color-border); }
.price-card li:last-child { border-bottom:none; }
@media (max-width:900px) { .pricing-grid { grid-template-columns:1fr; max-width:440px; } }

/* ===== 更新日志 ===== */
.changelog { max-width:800px; margin:0 auto; display:flex; flex-direction:column; gap:0; }
.changelog-item { position:relative; padding:0 0 36px 40px; border-left:2px solid var(--color-border); margin-left:12px; }
.changelog-item:last-child { padding-bottom:0; }
.changelog-item::before { content:''; position:absolute; left:-9px; top:4px; width:16px; height:16px; border-radius:50%; background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); border:3px solid #fff; box-shadow:0 2px 8px rgba(232,76,61,0.4); }
.changelog-item .cl-version { display:inline-flex; align-items:center; gap:10px; margin-bottom:8px; }
.changelog-item .cl-version strong { font-size:18px; color:var(--color-secondary); }
.changelog-item .cl-version .cl-date { font-size:13px; color:var(--color-text-muted); background:rgba(16,59,122,0.06); padding:2px 12px; border-radius:var(--radius-full); }
.changelog-item .cl-tag { font-size:11px; font-weight:700; padding:2px 10px; border-radius:var(--radius-full); background:var(--color-primary); color:#fff; letter-spacing:0.5px; }
.changelog-item ul { margin:8px 0 0 20px; color:var(--color-text-muted); line-height:1.9; font-size:15px; }

/* ===== CTA ===== */
.cta-block { background:radial-gradient(ellipse at 80% 30%, var(--color-secondary), var(--color-secondary-dark)); border-radius:var(--radius-xl); padding:60px 80px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:30px; color:#fff; box-shadow:0 20px 60px rgba(16,59,122,0.3); }
.cta-block h2 { font-size:2.2rem; font-weight:800; letter-spacing:-1px; }
.cta-block p { opacity:0.8; font-size:1.05rem; }
.cta-block .btn-primary { background:#fff; color:var(--color-secondary); box-shadow:0 8px 30px rgba(0,0,0,0.2); flex-shrink:0; }
.cta-block .btn-primary:hover { background:#f0f4ff; color:var(--color-secondary-dark); }
@media (max-width:680px) { .cta-block { padding:40px 30px; flex-direction:column; text-align:center; } }

/* ===== 按钮 ===== */
.btn-primary { background:var(--color-primary); color:#fff; padding:14px 40px; border-radius:var(--radius-full); font-weight:700; font-size:16px; box-shadow:0 8px 30px rgba(232,76,61,0.4); transition:all var(--transition); display:inline-flex; align-items:center; gap:8px; border:none; cursor:pointer; }
.btn-primary:hover { background:var(--color-primary-dark); transform:translateY(-3px); box-shadow:0 14px 40px rgba(232,76,61,0.5); color:#fff; }
.btn-secondary { background:rgba(255,255,255,0.08); backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,0.2); color:#fff; padding:14px 40px; border-radius:var(--radius-full); font-weight:600; transition:all var(--transition); }
.btn-secondary:hover { background:rgba(255,255,255,0.18); border-color:rgba(255,255,255,0.4); color:#fff; }
.btn-outline { background:#fff; color:var(--color-secondary); border:1px solid var(--color-border); padding:14px 40px; border-radius:var(--radius-full); font-weight:600; font-size:16px; transition:all var(--transition); display:inline-flex; align-items:center; gap:8px; }
.btn-outline:hover { border-color:var(--color-secondary); box-shadow:var(--shadow-md); transform:translateY(-3px); color:var(--color-secondary-dark); }

/* ===== 页脚 ===== */
.footer { background:var(--color-secondary-dark); color:rgba(255,255,255,0.7); padding:60px 0 30px; margin-top:20px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,0.06); }
.footer-brand { display:flex; align-items:center; gap:10px; font-weight:800; font-size:22px; color:#fff; margin-bottom:12px; }
.footer-brand svg { height:30px; width:auto; }
.footer p { max-width:320px; font-size:14px; line-height:1.7; }
.footer-links h4 { color:#fff; font-weight:600; margin-bottom:16px; font-size:15px; }
.footer-links a { display:block; margin-bottom:10px; font-size:14px; transition:color var(--transition); }
.footer-links a:hover { color:#fff; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; padding-top:24px; font-size:14px; }
.footer-bottom .update { color:rgba(255,255,255,0.5); }
@media (max-width:680px) { .footer-grid { grid-template-columns:1fr; gap:30px; } .footer p { max-width:100%; } .footer-bottom { flex-direction:column; text-align:center; } }

/* ===== 联系表单 ===== */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; max-width:960px; margin:0 auto; }
.contact-form { display:flex; flex-direction:column; gap:16px; background:#fff; padding:36px; border-radius:var(--radius-md); border:1px solid var(--color-border); box-shadow:var(--shadow-sm); }
.contact-form label { font-size:14px; font-weight:600; color:var(--color-secondary); }
.contact-form input, .contact-form select, .contact-form textarea { padding:14px 18px; border:1px solid var(--color-border); border-radius:var(--radius-sm); font-size:16px; font-family:inherit; transition:border-color var(--transition), box-shadow var(--transition); background:#fff; color:var(--color-text); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline:none; border-color:var(--color-secondary); box-shadow:0 0 0 3px rgba(16,59,122,0.1); }
.contact-info-item { margin-bottom:22px; }
.contact-info-item strong { color:var(--color-secondary); display:block; margin-bottom:4px; }
.contact-info-item span { color:var(--color-text-muted); line-height:1.7; }
@media (max-width:800px) { .contact-grid { grid-template-columns:1fr; gap:40px; } }