/* ======================================================
   YUNYUNXI 2.0 — 芸熙健康全球助医平台
   升级版：含注册/登录/支付系统
   ====================================================== */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #0d6e9e;
    --primary-dark: #0a5780;
    --primary-light: #e8f4fd;
    --accent: #e87c4a;
    --accent-light: #fdf0e8;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --danger: #ef4444;
    --alipay: #1677ff;
    --wechat: #07c160;
    --text: #1a2332;
    --text-secondary: #5a6b7d;
    --text-light: #8a9aaa;
    --bg: #ffffff;
    --bg-alt: #f6f9fc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --max-width: 1200px;
    --nav-height: 72px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.2rem; }

.section { padding: 96px 0; }

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 5px 16px;
    border-radius: 100px;
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 10px;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,110,158,0.28); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.btn-full { width: 100%; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-success:hover { background: #059669; border-color: #059669; transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.15); color: white; border-color: rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.25); }

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    flex-shrink: 0;
}
.logo-icon { font-size: 1.5rem; }
.logo-text { font-size: 1.2rem; font-weight: 800; color: var(--primary); }
.logo-sub { font-size: 0.72rem; color: var(--text-light); margin-left: 4px; font-weight: 500; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    flex-wrap: nowrap;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 7px 12px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }

/* User Area in Navbar */
.nav-user-area {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.nav-btn-register {
    background: var(--primary);
    color: white;
    padding: 7px 16px;
    border-radius: 7px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-btn-register:hover { background: var(--primary-dark); }
.nav-btn-login {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    padding: 6px 14px;
    border-radius: 7px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-btn-login:hover { background: var(--primary-light); }

/* Lang Selector */
.nav-lang-switch { margin-left: 4px; position: relative; }
.lang-selector { position: relative; }
.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 7px 12px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}
.lang-btn:hover { background: var(--primary-light); border-color: var(--primary); }
.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    list-style: none;
    padding: 6px;
    z-index: 100;
    min-width: 160px;
}
.lang-dropdown.show { display: block; }
.lang-dropdown li {
    padding: 7px 13px;
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}
.lang-dropdown li:hover { background: var(--primary-light); color: var(--primary); }
.lang-dropdown li.active { background: var(--primary); color: white; }

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---------- HERO ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 40%, #ddf0fb 70%, #f0f9ff 100%);
    overflow: hidden;
    padding-top: var(--nav-height);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(13,110,158,0.1) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 20%, rgba(232,124,74,0.07) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(16,185,129,0.05) 0%, transparent 45%);
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 60px 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(13,110,158,0.1);
    color: var(--primary);
    font-size: 0.83rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 22px;
    border: 1px solid rgba(13,110,158,0.15);
}
.hero-text h1 { margin-bottom: 18px; }
.hero-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 32px; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 1.9rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-plus, .stat-percent { font-size: 1.1rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }

/* Hero Illustration */
.hero-illustration { position: relative; height: 420px; display: flex; align-items: center; justify-content: center; }
.illo-card {
    position: absolute;
    background: white;
    border-radius: var(--radius);
    padding: 18px 22px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: float 6s ease-in-out infinite;
}
.illo-card span { font-size: 2.2rem; display: block; margin-bottom: 5px; }
.illo-card p { font-weight: 600; font-size: 0.85rem; color: var(--text); }
.illo-card-1 { top: 20px; left: 0; animation-delay: 0s; }
.illo-card-2 { top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--primary); color: white; animation-delay: 0.3s; z-index: 2; }
.illo-card-2 p { color: white; }
.illo-card-3 { bottom: 20px; right: 0; animation-delay: 0.6s; }
.illo-connector {
    position: absolute; top: 50%; left: 50%;
    width: 220px; height: 220px;
    transform: translate(-50%, -50%);
    border: 2px dashed rgba(13,110,158,0.2);
    border-radius: 50%;
    animation: pulse-ring 3s ease-in-out infinite;
}
/* Register Quick Card in Hero */
.hero-register-card {
    position: absolute;
    bottom: 0;
    left: -20px;
    background: white;
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    animation: float 5s ease-in-out infinite;
    animation-delay: 1s;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 190px;
}
.hero-register-card .reg-icon { font-size: 1.6rem; }
.hero-register-card .reg-text { font-size: 0.78rem; }
.hero-register-card .reg-text strong { display: block; font-size: 0.85rem; color: var(--primary); }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes pulse-ring {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

/* ---------- TRUST BAR ---------- */
.trust-bar {
    background: var(--primary);
    padding: 18px 0;
    overflow: hidden;
}
.trust-bar-inner {
    display: flex;
    align-items: center;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.9);
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
}
.trust-item .ti-icon { font-size: 1.1rem; }

/* ---------- SERVICES ---------- */
.services { background: var(--bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 22px; }
.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2rem; margin-bottom: 14px; }
.service-card h3 { margin-bottom: 10px; color: var(--text); }
.service-card > p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 14px; }
.service-features { list-style: none; }
.service-features li {
    position: relative;
    padding-left: 18px;
    font-size: 0.83rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}
.service-features li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

/* ---------- HOSPITALS ---------- */
.hospital-filter { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-btn {
    padding: 7px 18px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: white;
    color: var(--text-secondary);
    font-size: 0.83rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.hospitals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.hospital-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    transition: var(--transition);
}
.hospital-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.hosp-flag { font-size: 1.4rem; margin-bottom: 7px; }
.hospital-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.hosp-location { font-size: 0.78rem; color: var(--text-light); margin-bottom: 9px; }
.hosp-specialties { display: flex; flex-wrap: wrap; gap: 4px; }
.hosp-specialties span {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.73rem;
    padding: 2px 9px;
    border-radius: 100px;
    font-weight: 500;
}

/* ---------- PROCESS ---------- */
.process { background: var(--bg-alt); }
.process-steps { display: flex; flex-direction: column; gap: 0; max-width: 680px; margin: 0 auto; }
.step {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    background: white;
    border-radius: var(--radius);
    padding: 26px 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.step-number { font-size: 1.8rem; font-weight: 900; color: var(--primary); line-height: 1; opacity: 0.25; min-width: 44px; }
.step-content h3 { margin-bottom: 5px; }
.step-content p { color: var(--text-secondary); font-size: 0.88rem; }
.step-connector {
    width: 2px; height: 26px;
    background: linear-gradient(to bottom, var(--primary-light), var(--primary));
    margin-left: 44px;
    opacity: 0.45;
}

/* ---------- ABOUT ---------- */
.about-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 38px 30px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    color: white;
}
.about-card-stat { display: flex; flex-direction: column; gap: 3px; }
.about-stat-num { font-size: 1.9rem; font-weight: 800; }
.about-card-stat span:last-child { opacity: 0.8; font-size: 0.88rem; }
.about-text h2 { margin-bottom: 18px; }
.about-text p { color: var(--text-secondary); margin-bottom: 12px; font-size: 0.93rem; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 18px; }
.highlight { display: flex; align-items: center; gap: 7px; font-size: 0.88rem; font-weight: 500; }
.highlight span:first-child { color: var(--primary); font-weight: 700; }

/* ---------- PRICING ---------- */
.pricing { background: var(--bg-alt); }
.pricing-grid { display: grid; gap: 20px; max-width: 1320px; margin: 0 auto; }
.pricing-grid--main { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.pricing-grid--premium { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.pricing-grid--ultra { grid-template-columns: 1fr; max-width: 480px; }
.pricing-tier-label {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0 4px;
}
.pricing-tier-label:first-child { margin-top: 0; }
.pricing-tier-label .tier-tag {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 50%; font-weight: 800; font-size: 0.8rem; color: #fff;
}
.pricing-tier-label .tier-name {
    font-size: 0.9rem; font-weight: 700; color: var(--text);
}
.pricing-tier-label .tier-desc {
    font-size: 0.78rem; color: var(--text-light); margin-left: auto;
}
.pricing-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.pricing-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.pricing-card[data-tier="1"]::before { background: #0d6e9e; }
.pricing-card[data-tier="2"]::before { background: #3b82f6; }
.pricing-card[data-tier="3"]::before { background: #8b5cf6; }
.pricing-card[data-tier="4"]::before { background: #10b981; }
.pricing-card[data-tier="5"]::before { background: #ef4444; }
.pricing-card[data-tier="6"]::before { background: #f59e0b; }
.pricing-card[data-tier="7"]::before { background: #7c3aed; }
.pricing-card[data-tier="8"]::before { background: #db2777; }
.pricing-card[data-tier="9"]::before { background: #92400e; }
.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}
.pricing-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.pricing-card.featured:hover { transform: scale(1.02) translateY(-4px); }
.pricing-badge {
    position: absolute;
    top: -1px;
    right: 24px;
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 5px 14px 7px;
    border-radius: 0 0 8px 8px;
    letter-spacing: 0.5px;
}
.pricing-card[data-tier="1"] .pricing-badge { background: #0d6e9e; }
.pricing-card[data-tier="2"] .pricing-badge { background: #3b82f6; }
.pricing-card[data-tier="3"] .pricing-badge { background: #8b5cf6; }
.pricing-card[data-tier="4"] .pricing-badge { background: #10b981; }
.pricing-card[data-tier="5"] .pricing-badge { background: #ef4444; }
.pricing-card[data-tier="6"] .pricing-badge { background: #f59e0b; }
.pricing-card[data-tier="7"] .pricing-badge { background: #7c3aed; }
.pricing-card[data-tier="8"] .pricing-badge { background: #db2777; }
.pricing-card[data-tier="9"] .pricing-badge { background: #92400e; }
.pricing-card .pc-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.pricing-card .pc-icon { font-size: 1.6rem; }
.pricing-card .pc-tier {
    font-size: 0.7rem; font-weight: 700; color: #fff; width: 22px; height: 22px;
    border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
}
.pricing-card[data-tier="1"] .pc-tier { background: #0d6e9e; }
.pricing-card[data-tier="2"] .pc-tier { background: #3b82f6; }
.pricing-card[data-tier="3"] .pc-tier { background: #8b5cf6; }
.pricing-card[data-tier="4"] .pc-tier { background: #10b981; }
.pricing-card[data-tier="5"] .pc-tier { background: #ef4444; }
.pricing-card[data-tier="6"] .pc-tier { background: #f59e0b; }
.pricing-card[data-tier="7"] .pc-tier { background: #7c3aed; }
.pricing-card[data-tier="8"] .pc-tier { background: #db2777; }
.pricing-card[data-tier="9"] .pc-tier { background: #92400e; }
.pricing-card h3 { font-size: 1.1rem; margin-bottom: 4px; }
.pricing-price { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 2px; }
.pricing-price span { font-size: 0.85rem; font-weight: 400; color: var(--text-light); }
.pricing-desc { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.5; }
.pricing-features { list-style: none; margin-bottom: 20px; }
.pricing-features li {
    padding: 5px 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid var(--bg-alt);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li .pf-check { color: var(--success); font-weight: 700; flex-shrink:0; }
.pricing-features li .pf-x { color: var(--text-light); flex-shrink:0; }
.pricing-dept-toggle {
    font-size: 0.78rem; color: var(--primary); cursor: pointer; margin-bottom: 10px;
    display: inline-flex; align-items: center; gap: 4px; user-select: none;
}
.pricing-dept-toggle:hover { text-decoration: underline; }
.pricing-dept-list {
    display: none; font-size: 0.78rem; margin-bottom: 16px; padding: 10px 12px;
    background: var(--bg-alt); border-radius: var(--radius); line-height: 1.8;
}
.pricing-dept-list.open { display: block; }
.pricing-dept-list strong { color: var(--text); }
.pricing-nav {
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 28px;
}
.pricing-nav-btn {
    padding: 8px 18px; border: 2px solid var(--border); border-radius: 100px;
    background: #fff; font-size: 0.85rem; font-weight: 600; cursor: pointer;
    transition: var(--transition); color: var(--text-secondary);
}
.pricing-nav-btn:hover, .pricing-nav-btn.active {
    border-color: var(--primary); color: var(--primary); background: var(--primary-light);
}
.pricing-nav-btn.active { font-weight: 700; }

/* ---------- TESTIMONIALS ---------- */
.testimonials { background: white; }
.testimonials-slider { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; }
.testimonial-card {
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 26px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.testimonial-stars { color: #f0b429; font-size: 1rem; margin-bottom: 10px; }
.testimonial-text { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 14px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 11px; }
.author-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}
.testimonial-author strong { display: block; font-size: 0.88rem; }
.testimonial-author span { font-size: 0.78rem; color: var(--text-light); }

/* ---------- CONTACT ---------- */
.contact-wrapper { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; }
.contact-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: 34px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.83rem; font-weight: 600; margin-bottom: 5px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 15px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.88rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,110,158,0.08);
}
.form-group textarea { resize: vertical; }
.form-checkbox { display: flex; align-items: flex-start; gap: 9px; }
.form-checkbox input { width: auto; margin-top: 4px; }
.form-checkbox label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 400; }

.contact-info { display: flex; flex-direction: column; gap: 14px; }
.contact-info-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.info-icon { font-size: 1.2rem; margin-bottom: 5px; }
.contact-info-card h4 { font-size: 0.88rem; margin-bottom: 5px; }
.contact-info-card p { font-size: 0.83rem; color: var(--text-secondary); }

/* ---------- FOOTER ---------- */
.footer { background: var(--text); color: rgba(255,255,255,0.8); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.footer-logo { display: flex; align-items: center; gap: 7px; font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: white; }
.footer-logo small { font-size: 0.75rem; font-weight: 400; color: rgba(255,255,255,0.45); }
.footer-brand p { font-size: 0.83rem; line-height: 1.7; }
.footer-links h4 { color: white; font-size: 0.88rem; margin-bottom: 14px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.83rem; transition: var(--transition); }
.footer-links a:hover { color: white; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a { text-decoration: none; font-size: 1.1rem; opacity: 0.6; transition: var(--transition); }
.footer-social a:hover { opacity: 1; }

/* ---------- MODAL ---------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}
.modal.show { display: flex; }
.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: 44px 34px 32px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    animation: modalIn 0.3s ease-out;
    position: relative;
}
.modal-close-btn {
    position: absolute;
    top: 14px; right: 14px;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    line-height: 1;
}
.modal-close-btn:hover { color: var(--text); }
@keyframes modalIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-icon { font-size: 2.8rem; margin-bottom: 14px; }
.modal-content h3 { margin-bottom: 10px; }
.modal-content p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 22px; }

/* =====================================================
   REGISTER PAGE
   ===================================================== */
.page-auth {
    min-height: 100vh;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 50%, #ddf0fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
}
.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 44px 40px;
    max-width: 540px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,0.8);
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo-icon { font-size: 2.5rem; }
.auth-logo-text { font-size: 1.3rem; font-weight: 800; color: var(--primary); margin-top: 4px; }
.auth-logo-sub { font-size: 0.8rem; color: var(--text-light); }

.auth-title { font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 6px; }
.auth-subtitle { text-align: center; font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 28px; }

/* ID Type Switch */
.id-type-switch {
    display: flex;
    gap: 0;
    background: var(--bg-alt);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 20px;
}
.id-type-btn {
    flex: 1;
    padding: 9px;
    border: none;
    background: transparent;
    border-radius: 7px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.id-type-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Form input with icon */
.input-with-icon { position: relative; }
.input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    pointer-events: none;
}
.input-with-icon input,
.input-with-icon select {
    padding-left: 38px;
}

/* ID Card Format Hint */
.id-hint {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 4px;
    padding-left: 2px;
}

/* Strength bar */
.password-strength {
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.strength-bars { display: flex; gap: 3px; flex: 1; }
.strength-bar {
    height: 3px;
    flex: 1;
    border-radius: 2px;
    background: var(--border);
    transition: var(--transition);
}
.strength-bar.weak { background: var(--danger); }
.strength-bar.medium { background: var(--warning); }
.strength-bar.strong { background: var(--success); }
.strength-label { font-size: 0.75rem; color: var(--text-light); min-width: 28px; }

/* Terms */
.auth-terms {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 18px;
    line-height: 1.6;
}
.auth-terms a { color: var(--primary); text-decoration: none; }
.auth-terms a:hover { text-decoration: underline; }

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--text-light);
    font-size: 0.82rem;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Social login */
.social-login { display: flex; gap: 10px; }
.social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    color: var(--text);
}
.social-btn:hover { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

.auth-footer-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.auth-footer-link a { color: var(--primary); text-decoration: none; font-weight: 600; }
.auth-footer-link a:hover { text-decoration: underline; }

/* Error & success messages */
.field-error { font-size: 0.78rem; color: var(--danger); margin-top: 4px; display: none; }
.field-error.show { display: block; }
.form-group.error input,
.form-group.error select { border-color: var(--danger); }
.form-group.success input { border-color: var(--success); }

/* Step indicator */
.register-steps {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}
.reg-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}
.reg-step-num {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 4px;
    transition: var(--transition);
}
.reg-step.active .reg-step-num { background: var(--primary); color: white; }
.reg-step.done .reg-step-num { background: var(--success); color: white; }
.reg-step-label { font-size: 0.73rem; color: var(--text-light); font-weight: 500; }
.reg-step.active .reg-step-label { color: var(--primary); }
.reg-step-line { flex: 1; height: 2px; background: var(--border); margin: 0 4px; align-self: flex-start; margin-top: 14px; }
.reg-step-line.done { background: var(--success); }

/* =====================================================
   PAYMENT PAGE
   ===================================================== */
.page-payment {
    min-height: 100vh;
    background: var(--bg-alt);
    padding: 100px 24px 60px;
}
.payment-container {
    max-width: 820px;
    margin: 0 auto;
}
.payment-header { text-align: center; margin-bottom: 36px; }
.payment-header h1 { font-size: 1.7rem; margin-bottom: 8px; }
.payment-header p { color: var(--text-secondary); font-size: 0.95rem; }

.payment-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }

/* Order Summary */
.order-summary {
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border);
}
.order-summary h3 { font-size: 1rem; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.order-item { display: flex; justify-content: space-between; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--bg-alt); }
.order-item:last-of-type { border-bottom: none; }
.order-item-name { font-size: 0.88rem; color: var(--text); font-weight: 500; }
.order-item-desc { font-size: 0.78rem; color: var(--text-secondary); }
.order-item-price { font-size: 0.95rem; font-weight: 700; color: var(--primary); white-space: nowrap; }
.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 2px solid var(--border);
}
.order-total-label { font-size: 1rem; font-weight: 700; }
.order-total-amount { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.order-info { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
.order-info-row { display: flex; justify-content: space-between; font-size: 0.82rem; margin-bottom: 6px; }
.order-info-row span:first-child { color: var(--text-secondary); }
.order-info-row span:last-child { font-weight: 500; }

/* Payment Methods */
.payment-methods-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border);
}
.payment-methods-card h3 { font-size: 1rem; margin-bottom: 18px; }
.payment-method-tabs { display: flex; gap: 0; background: var(--bg-alt); border-radius: 10px; padding: 4px; margin-bottom: 22px; }
.pay-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    border-radius: 7px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--text-secondary);
}
.pay-tab.active { background: white; box-shadow: var(--shadow-sm); }
.pay-tab.alipay.active { color: var(--alipay); }
.pay-tab.wechat.active { color: var(--wechat); }

.pay-panel { display: none; }
.pay-panel.show { display: block; }

/* QR Code */
.qr-container { text-align: center; padding: 10px 0; }
.qr-box {
    width: 180px; height: 180px;
    margin: 0 auto 14px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}
.qr-box.alipay { background: linear-gradient(135deg, #e8f3ff, #cce4ff); border: 2px solid rgba(22,119,255,0.2); }
.qr-box.wechat { background: linear-gradient(135deg, #e8f8e8, #c8edca); border: 2px solid rgba(7,193,96,0.2); }
.qr-placeholder { opacity: 0.7; }
.qr-grid {
    position: absolute;
    inset: 16px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    opacity: 0.3;
}
.qr-cell { background: currentColor; border-radius: 1px; }
.qr-label { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 6px; }
.qr-amount { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.qr-hint { font-size: 0.8rem; color: var(--text-light); margin-bottom: 18px; display: flex; align-items: center; justify-content: center; gap: 5px; }

/* Pay status */
.pay-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 10px;
}
.pay-status.pending { background: #fffbeb; color: var(--warning); border: 1px solid #fde68a; }
.pay-status.success { background: var(--success-light); color: var(--success); border: 1px solid #a7f3d0; }

/* Security badges */
.security-badges {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 18px;
    flex-wrap: wrap;
}
.security-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* =====================================================
   DASHBOARD (user account page skeleton)
   ===================================================== */
.page-dashboard {
    min-height: 100vh;
    background: var(--bg-alt);
    padding: 100px 24px 60px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-subtitle { margin: 0 auto 32px; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-illustration { height: 300px; }
    .about-wrapper { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .payment-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        background: white;
        flex-direction: column;
        padding: 18px 20px;
        gap: 4px;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        z-index: 999;
    }
    .nav-menu.show { transform: translateY(0); opacity: 1; pointer-events: all; }
    .nav-link { display: block; padding: 11px 14px; font-size: 0.95rem; }
    .nav-lang-switch { margin-left: 0; margin-top: 6px; }
    .nav-user-area { gap: 6px; }
    .nav-btn-register, .nav-btn-login { padding: 6px 10px; font-size: 0.78rem; }
    .section { padding: 64px 0; }
    .hero { min-height: auto; padding-bottom: 50px; }
    .hero-stats { gap: 18px; flex-wrap: wrap; }
    .form-row { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .auth-card { padding: 32px 24px; }
    .register-steps { display: none; }
    .pricing-card.featured { transform: none; }
    .pricing-card:hover { transform: translateY(-2px); }
    .pricing-grid--main { grid-template-columns: 1fr; }
    .pricing-nav-btn { font-size: 0.78rem; padding: 6px 12px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .service-card, .contact-form { padding: 22px 18px; }
    .hero-illustration { height: 240px; }
    .illo-card { padding: 12px 16px; }
    .trust-bar-inner { gap: 18px; }
    .social-login { flex-direction: column; }
}