/*
Theme Name: 索答啦 AI
Theme URI: https://www.suodala.ai/
Author: 索答啦 AI
Author URI: https://www.suodala.ai/
Description: 索答啦AI官方WordPress主题 - 智能微信自动化解决方案
Version: 2.0.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: suodala
Tags: one-column, custom-colors, custom-logo, custom-menu, featured-images, theme-options, translation-ready
*/

/* --- Ultra Pro Style Variables --- */
:root {
    --bg-deep: #000000;
    --bg-card: rgba(22, 22, 24, 0.7);
    --bg-card-hover: rgba(38, 38, 40, 0.8);
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --text-tertiary: #6e6e73;
    --accent-blue: #0071e3;
    --accent-glow: rgba(0, 113, 227, 0.4);
    --border-light: rgba(255, 255, 255, 0.12);
    --font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: "New York", "Times New Roman", serif;
    --ease-apple: cubic-bezier(0.25, 1, 0.5, 1);
    --nav-height: 52px;
}

* { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-family);
    overflow-x: hidden;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
}

#canvas-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; background: #000; }
.noise-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E"); pointer-events: none; z-index: 9998; }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.01em; }
p { color: var(--text-secondary); font-size: 1.1rem; font-weight: 400; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: all 0.3s var(--ease-apple); }
ul { list-style: none; }

/* --- Navigation --- */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 3000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: transform 0.3s ease;
}
.nav-inner {
    max-width: 1080px; margin: 0 auto; height: var(--nav-height); padding: 0 20px;
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-size: 1rem; font-weight: 600; color: #fff; opacity: 0.95; display: flex; align-items: center; gap: 8px; cursor: pointer; letter-spacing: -0.01em;}
.logo img { height: 28px; width: auto; }
.logo .brand-name { font-size: 1rem; font-weight: 600; white-space: nowrap; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 0.8rem; color: #e8e8ed; opacity: 0.8; transition: opacity 0.2s; white-space: nowrap; cursor: pointer; font-weight: 400; }
.nav-links a:hover { opacity: 1; color: #fff; }
.btn-pill-sm {
    background: #fff; color: #000; font-size: 0.75rem; padding: 5px 16px;
    border-radius: 980px; font-weight: 500; transition: transform 0.2s var(--ease-apple);
}
.btn-pill-sm:hover { transform: scale(1.04); }

/* --- Typography & Common --- */
.titanium-text {
    background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 50%, #4a4a4c 100%);
    background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    animation: shine 8s ease-in-out infinite;
    letter-spacing: -0.03em;
}
@keyframes shine { 0% {background-position: 0% 50%;} 50% {background-position: 100% 50%;} 100% {background-position: 0% 50%;} }

.fade-in { opacity: 0; transform: translateY(50px); transition: all 1.4s var(--ease-apple); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.section-padding { padding: 160px 20px; max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
.section-header { margin-bottom: 80px; max-width: 800px; }
.section-header h3 { 
    font-size: 4rem; margin-bottom: 20px; color: #fff; letter-spacing: -0.02em; line-height: 1.1;
    background: linear-gradient(180deg, #fff 0%, #86868b 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* --- Hero --- */
.hero { padding-top: 180px; padding-bottom: 140px; text-align: center; position: relative; overflow: hidden; }
.hero h1 { 
    font-size: 6.5rem; margin-bottom: 20px; line-height: 1.05; font-weight: 700; 
    text-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.hero h2 { 
    font-size: 2rem; color: var(--text-secondary); margin-bottom: 50px; font-weight: 500; 
    max-width: 800px; margin-left: auto; margin-right: auto; line-height: 1.4;
}
.hero-cta { display: flex; gap: 20px; justify-content: center; margin-bottom: 100px; }

/* 3D Button */
.btn-primary { 
    background: linear-gradient(180deg, #0071e3 0%, #005bb5 100%); color: #fff; 
    padding: 14px 36px; border-radius: 980px; font-size: 1.1rem; font-weight: 500; 
    border: 1px solid rgba(255,255,255,0.1); cursor: pointer; transition: all 0.2s ease;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 4px 10px rgba(0, 113, 227, 0.4);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    display: inline-block;
}
.btn-primary:hover { background: linear-gradient(180deg, #148aff 0%, #006edb 100%); transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 8px 20px rgba(0, 113, 227, 0.5); }
.btn-primary:active { transform: translateY(1px); background: linear-gradient(180deg, #005bb5 0%, #005bb5 100%); box-shadow: inset 0 2px 5px rgba(0,0,0,0.2); }

/* 移动端按钮尺寸调整 */
@media (max-width: 640px) {
    .btn-primary {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    .hero-cta {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .hero-cta .btn-primary,
    .hero-cta .btn-link {
        width: auto;
        min-width: 200px;
        text-align: center;
        justify-content: center;
    }
}
.btn-link { color: var(--accent-blue); display: flex; align-items: center; gap: 8px; font-size: 1.1rem; padding: 12px 20px; cursor: pointer; }
.btn-link:hover { text-decoration: underline; }

/* --- Logos --- */
.logo-strip { display: flex; justify-content: center; gap: 60px; margin-top: 40px; opacity: 0.6; flex-wrap: wrap; align-items: center; pointer-events: none; }
.logo-item { font-size: 1.5rem; font-weight: 600; color: #fff; display: flex; gap: 10px; align-items: center; font-family: 'SF Pro Display'; letter-spacing: -0.5px; }

/* --- iPhone 3D Concept --- */
.iphone-container { width: 340px; height: 690px; margin: 0 auto; position: relative; perspective: 2500px; z-index: 10; }
.iphone-body { 
    width: 100%; height: 100%; background: #151516; border-radius: 60px; position: relative; 
    transform-style: preserve-3d; transform: rotateY(-10deg) rotateX(5deg); transition: transform 0.1s linear; 
    box-shadow: inset 0 0 0 1px #444, inset 0 0 0 3px #000, inset 0 0 0 4px #555, inset 0 0 0 6px #000, 20px 40px 80px rgba(0,0,0,0.8), -2px -2px 20px rgba(255,255,255,0.1);
}
.iphone-body::before { content: ''; position: absolute; inset: 0; border-radius: 60px; background: linear-gradient(115deg, rgba(255,255,255,0.2) 0%, transparent 40%, transparent 60%, rgba(255,255,255,0.1) 100%); z-index: -1; opacity: 0.7; pointer-events: none; }
.iphone-screen { position: absolute; top: 6px; left: 6px; right: 6px; bottom: 6px; background: #000; border-radius: 54px; overflow: hidden; display: flex; flex-direction: column; border: 1px solid #000; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05); }

.btn-side { position: absolute; background: #2e2e30; border-radius: 2px; transform: translateZ(-1px); box-shadow: inset -1px 0 1px rgba(0,0,0,0.9), 1px 0 1px rgba(255,255,255,0.15); }
.btn-mute { left: -3px; top: 110px; width: 3px; height: 26px; border-radius: 3px 0 0 3px; background: #444; } 
.btn-vol-up { left: -3px; top: 160px; width: 3px; height: 50px; border-radius: 3px 0 0 3px; }
.btn-vol-down { left: -3px; top: 225px; width: 3px; height: 50px; border-radius: 3px 0 0 3px; }
.btn-power { right: -3px; top: 180px; width: 3px; height: 85px; border-radius: 0 3px 3px 0; }
.btn-capture { right: -3px; bottom: 130px; width: 3px; height: 45px; border-radius: 0 3px 3px 0; background: #222; box-shadow: inset 0 0 2px rgba(255,255,255,0.1); }

.island { width: 96px; height: 26px; background: #000; border-radius: 20px; position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 20; box-shadow: 0 0 15px rgba(0,0,0,0.5); }
.island::before { content: ''; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; background: #1a1a1a; border-radius: 50%; box-shadow: inset 0 0 2px rgba(255,255,255,0.2); }

.chat-ui { padding: 70px 18px 20px; flex: 1; display: flex; flex-direction: column; gap: 14px; font-family: "SF Pro Text", -apple-system, sans-serif; background: #000; overflow-y: hidden; }
.status-bar { position: absolute; top: 14px; left: 32px; right: 32px; display: flex; justify-content: space-between; color: #fff; font-size: 14px; font-weight: 600; z-index: 15; opacity: 0.9; }
.msg { padding: 10px 16px; font-size: 15px; line-height: 1.4; position: relative; opacity: 0; transform: translateY(10px) scale(0.98); animation: iMessagePop 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards; letter-spacing: -0.01em; font-weight: 400; -webkit-font-smoothing: antialiased; max-width: 85%; }
.msg.ai { background: #262628; color: #f2f2f2; border-radius: 19px; border-bottom-left-radius: 4px; align-self: flex-start; }
.msg.user { background: #007aff; color: #fff; border-radius: 19px; border-bottom-right-radius: 4px; background: linear-gradient(180deg, #007aff 0%, #0062cc 100%); align-self: flex-end; }
.avatar-icon { width: 28px; height: 28px; border-radius: 50%; background: #333; display: flex; align-items: center; justify-content: center; margin-bottom: 4px; font-size: 14px; color: #888; }
@keyframes iMessagePop { to { opacity: 1; transform: translateY(0) scale(1); } }

/* --- Grids --- */
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; grid-auto-rows: minmax(320px, auto); }
.bento-card { 
    background: var(--bg-card); border-radius: 32px; padding: 45px; 
    position: relative; overflow: hidden; border: 1px solid var(--border-light); 
    transition: all 0.5s var(--ease-apple); display: flex; flex-direction: column; justify-content: space-between; 
    backdrop-filter: blur(40px);
}
.bento-card:hover { background: var(--bg-card-hover); transform: scale(1.02); border-color: rgba(255,255,255,0.3); box-shadow: 0 30px 60px rgba(0,0,0,0.5); }
.span-2 { grid-column: span 2; } .row-2 { grid-row: span 2; }
.card-title { font-size: 1.8rem; color: #fff; margin-bottom: 12px; font-weight: 600; letter-spacing: -0.02em; }
.card-subtitle { font-size: 1rem; color: var(--accent-blue); margin-bottom: 5px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.card-text { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.5; }
.card-dialog { background: rgba(0,0,0,0.4); border-radius: 16px; padding: 20px; margin-top: 20px; border: 1px solid rgba(255,255,255,0.05); }
.dialog-item { margin-bottom: 12px; font-size: 0.95rem; display: flex; gap: 10px; align-items: baseline; }
.dialog-item:last-child { margin-bottom: 0; }
.dialog-q { color: var(--text-tertiary); min-width: 80px; white-space: nowrap; }
.dialog-a { color: #fff; line-height: 1.4; }

/* --- Panorama (Feature Map) --- */
.panorama-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; margin-top: 60px; }
.panorama-item { background: rgba(28,28,30,0.5); border: 1px solid var(--border-light); border-radius: 24px; padding: 36px; transition: 0.3s; }
.panorama-item:hover { border-color: var(--accent-blue); background: rgba(44,44,46,0.8); }
.panorama-head { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 18px; }
.panorama-head h4 { color: #fff; font-size: 1.3rem; margin: 0; font-weight: 600; } .panorama-head i { color: var(--accent-blue); font-size: 1.4rem; }
.panorama-list li { color: var(--text-secondary); font-size: 1rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.panorama-list li::before { content: ''; width: 5px; height: 5px; background: var(--accent-blue); border-radius: 50%; opacity: 0.8; }

/* --- Stats --- */
.stats-wrapper { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 120px; border-top: 1px solid var(--border-light); padding-top: 80px; }
.stat-val { font-size: 5rem; font-weight: 700; color: #fff; letter-spacing: -3px; line-height: 1; margin-bottom: 10px; background: linear-gradient(135deg, #fff 20%, #666 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 1.1rem; color: var(--text-primary); font-weight: 600; }
.stat-desc { font-size: 0.9rem; color: var(--text-tertiary); margin-top: 5px; }

/* --- Pricing --- */
.pricing-section { position: relative; z-index: 2; background: #050507; padding: 160px 20px; text-align: center; }
.price-cards-wrapper { max-width: 1300px; margin: 80px auto 0; }
.price-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.p-card { background: #151516; border-radius: 28px; padding: 40px 30px; text-align: left; border: 1px solid var(--border-light); transition: 0.4s; position: relative; display: flex; flex-direction: column; }
.p-card.pro { background: #1c1c1e; border: 1px solid #0071e3; box-shadow: 0 0 50px rgba(0, 113, 227, 0.1); z-index: 2; transform: scale(1.05); }
.p-card:hover { transform: translateY(-10px); }
.p-card.pro:hover { transform: scale(1.05) translateY(-10px); }
.p-name { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 5px; }
.p-price { font-size: 2.2rem; font-weight: 700; color: #fff; letter-spacing: -1px; margin-bottom: 8px; }
.p-sub { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 24px; min-height: 20px; }
.p-tag { position: absolute; top: -12px; right: 20px; background: var(--accent-blue); color: #fff; padding: 6px 16px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; }
.p-feat { list-style: none; padding: 0; margin: 0; }
.p-feat li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.9rem; color: #e0e0e0; display: flex; align-items: center; gap: 10px; }
.p-feat li i { color: #0071e3; font-size: 1rem; flex-shrink: 0; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: auto; padding: 16px 0; border-radius: 14px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: 0.2s; border:none; color:white;}
.btn-block:hover { transform: scale(1.02); }

/* --- News --- */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 30px; text-align: left; }
.news-item { background: var(--bg-card); padding: 40px; border-radius: 28px; border: 1px solid var(--border-light); transition: 0.3s; cursor: pointer; display: flex; flex-direction: column; height: 100%; }
.news-item:hover { background: var(--bg-card-hover); transform: translateY(-8px); border-color: var(--accent-blue); }
.news-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.news-tag { font-size: 0.75rem; padding: 6px 12px; background: rgba(41, 151, 255, 0.15); color: var(--accent-blue); border-radius: 100px; font-weight: 600; }
.news-date { font-size: 0.85rem; color: var(--text-tertiary); }
.news-title { color: #fff; font-size: 1.4rem; font-weight: 700; line-height: 1.3; margin-bottom: 12px; flex: 1; letter-spacing: -0.01em; }
.news-snippet { font-size: 1rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 24px; }
.read-more { color: var(--accent-blue); font-size: 1rem; display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }

/* --- Join Section --- */
.join-section { padding: 160px 20px; }
.join-card { max-width: 1100px; margin: 0 auto; background: linear-gradient(160deg, #1a1a1c, #000); border: 1px solid rgba(255,255,255,0.1); border-radius: 48px; padding: 100px 40px; text-align: center; position: relative; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,0.6); }
.join-card::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 800px; height: 500px; background: radial-gradient(ellipse, rgba(41, 151, 255, 0.15) 0%, transparent 70%); pointer-events: none; }
.join-title { font-size: 4rem; color: #fff; margin-bottom: 24px; position: relative; z-index: 2; letter-spacing: -0.02em; font-weight: 700; }
.join-text { font-size: 1.4rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto 50px; position: relative; z-index: 2; font-weight: 400; }
.contact-box { display: inline-flex; align-items: center; gap: 24px; background: rgba(255,255,255,0.06); padding: 18px 40px; border-radius: 100px; border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(20px); position: relative; z-index: 2; transition: 0.3s; cursor: pointer; }
.contact-box:hover { background: rgba(255,255,255,0.12); border-color: var(--accent-blue); transform: scale(1.03); }
.phone-num { font-size: 2rem; font-weight: 700; color: #fff; letter-spacing: 1px; font-family: var(--font-family); }

/* --- Footer --- */
footer { background: #000000; color: var(--text-tertiary); padding: 60px 20px 40px; font-size: 12px; border-top: 1px solid #1a1a1a; position: relative; z-index: 2; }
.footer-content { max-width: 1080px; margin: 0 auto; }
.footer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.footer-logo { color: #f5f5f7; font-weight: 600; display: flex; align-items: center; gap: 6px; font-size: 14px; letter-spacing: -0.01em; }
.footer-logo img { height: 24px; width: auto; }
.footer-social { display: flex; gap: 20px; }
.footer-social a { color: var(--text-tertiary); font-size: 20px; transition: color 0.3s; }
.footer-social a:hover { color: #fff; }
.footer-divider { height: 1px; background: #333; margin: 20px 0; }
.footer-links-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #f5f5f7; font-size: 12px; font-weight: 600; margin-bottom: 10px; letter-spacing: 0.02em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a, .contact-text { color: #86868b; text-decoration: none; transition: color 0.2s; line-height: 1.5; font-size: 13px; }
.footer-col a:hover { color: #f5f5f7; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 15px; padding-top: 20px; }
.copyright-text { color: #6e6e73; }
.copyright-text a { color: #6e6e73; }
.copyright-text a:hover { color: #f5f5f7; }
.legal-links a { color: #6e6e73; margin: 0 5px; font-size: 12px; }
.legal-links a:hover { color: #f5f5f7; text-decoration: underline; }
.pipe { color: #424245; margin: 0 5px; }

/* --- WeChat Popup --- */
.holo-popup { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 4000; display: none; align-items: center; justify-content: center; backdrop-filter: blur(10px); }
.holo-box { width: 340px; padding: 50px 40px; background: #1c1c1e; border: 1px solid var(--border-light); border-radius: 30px; text-align: center; position: relative; animation: popupIn 0.3s ease-out; box-shadow: 0 20px 60px rgba(0,0,0,0.8); }
.wx-qr { width: 180px; height: 180px; margin: 24px auto; background: #fff; border-radius: 16px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.wx-qr img { width: 100%; height: 100%; object-fit: cover; }
@keyframes popupIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* --- Article Layout --- */
.article-layout { 
    max-width: 1100px; 
    margin: 0 auto; 
    padding: 120px 20px 100px; 
    display: grid; 
    grid-template-columns: 1fr 340px; 
    gap: 80px; 
}
.article-main { min-width: 0; }
.article-header { margin-bottom: 40px; }
.article-header h1 { font-size: 2.5rem; line-height: 1.2; color: #fff; margin-bottom: 20px; font-family: var(--font-family); letter-spacing: -0.02em; font-weight: 700; }
.article-meta { color: var(--text-tertiary); font-size: 1rem; margin-bottom: 50px; display: flex; gap: 24px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 24px; }
.article-content { font-family: var(--font-serif); font-size: 1.35rem; line-height: 1.7; color: #e0e0e0; }
.article-content h2 { font-family: var(--font-family); font-size: 2rem; margin: 50px 0 24px; color: #fff; letter-spacing: -0.01em; }
.article-content p { margin-bottom: 28px; }
.article-content ul, .article-content ol { margin-bottom: 28px; padding-left: 24px; color: #d0d0d0; }
.article-content li { margin-bottom: 10px; }

.article-sidebar { position: sticky; top: 100px; height: fit-content; }
.sidebar-widget { margin-bottom: 50px; }
.widget-title { font-size: 1.1rem; color: #fff; font-weight: 600; margin-bottom: 20px; border-left: 3px solid var(--accent-blue); padding-left: 12px; }

/* TOC List */
.toc-list { list-style: none; padding: 0; }
.toc-list li { margin-bottom: 10px; }
.toc-list li a { color: var(--text-secondary); font-size: 0.9rem; transition: 0.2s; }
.toc-list li a:hover { color: var(--accent-blue); }
.toc-list li.toc-h3 { padding-left: 16px; }

/* Related Posts */
.related-list { list-style: none; padding: 0; }
.related-list li { margin-bottom: 18px; cursor: pointer; padding: 12px; border-radius: 14px; display: flex; gap: 16px; transition: 0.2s; }
.related-list li:hover { background: rgba(255,255,255,0.08); }
.rel-thumb { width: 90px; height: 66px; background: #333; border-radius: 10px; flex-shrink: 0; overflow: hidden; }
.rel-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rel-info h5 { font-size: 1rem; color: #fff; line-height: 1.35; font-weight: 500; margin: 0; }

/* CTA Widget */
.cta-widget { background: linear-gradient(135deg, #1c1c1e, #2c2c2e); padding: 30px; border-radius: 24px; text-align: center; border: 1px solid rgba(255,255,255,0.1); }

/* Prev/Next Nav */
.art-nav-links { margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.nav-card { background: rgba(255,255,255,0.03); padding: 20px; border-radius: 16px; border: 1px solid rgba(255,255,255,0.05); cursor: pointer; transition: 0.3s; display: flex; flex-direction: column; justify-content: center; }
.nav-card:hover { background: rgba(255,255,255,0.06); border-color: var(--accent-blue); }
.nav-label { display: block; font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 1px; }
.nav-card-title { font-size: 1rem; color: #fff; font-weight: 500; line-height: 1.3; }
.nav-card.next { text-align: right; }

/* --- Responsive --- */
@media (max-width: 1024px) { 
    .price-cards { grid-template-columns: repeat(2, 1fr); } 
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-wrapper { grid-template-columns: repeat(2, 1fr); }
    .footer-links-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) { 
    .article-layout { grid-template-columns: 1fr; } 
    .article-sidebar { display: none; } 
    .hero h1 { font-size: 4rem; }
    .section-header h3 { font-size: 2.5rem; }
    .join-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
}

@media (max-width: 640px) { 
    .price-cards { grid-template-columns: 1fr; } 
    .hero h1 { font-size: 3rem; } 
    .bento-grid { grid-template-columns: 1fr; } 
    .span-2, .row-2 { grid-column: span 1; grid-row: span 1; } 
    .join-title { font-size: 2rem; } 
    .phone-num { font-size: 1.5rem; } 
    .stats-wrapper { grid-template-columns: 1fr; } 
    .art-nav-links { grid-template-columns: 1fr; }
    .iphone-container { transform: scale(0.8); }
    .news-grid { grid-template-columns: 1fr; }
    .footer-links-grid { grid-template-columns: repeat(2, 1fr); } 
    .footer-bottom { flex-direction: column; align-items: flex-start; } 
}

/* Gutenberg Block Editor Support */
.wp-block-image { margin: 30px 0; }
.wp-block-image img { border-radius: 16px; }
.wp-block-quote { border-left: 4px solid var(--accent-blue); padding-left: 24px; margin: 30px 0; }
.wp-block-quote p { font-style: italic; color: var(--text-secondary); }
.wp-block-code { background: #1c1c1e; padding: 20px; border-radius: 14px; overflow-x: auto; }
.wp-block-code code { color: #e0e0e0; font-family: 'SF Mono', Monaco, monospace; }
.wp-block-separator { border: none; border-top: 1px solid var(--border-light); margin: 50px 0; }
.wp-block-button__link { background: var(--accent-blue); color: #fff; padding: 14px 36px; border-radius: 980px; display: inline-block; transition: 0.3s; }
.wp-block-button__link:hover { background: #148aff; transform: translateY(-2px); }
.has-text-align-center { text-align: center; }
.alignwide { max-width: 1200px; margin-left: auto; margin-right: auto; }
.alignfull { width: 100vw; margin-left: calc(-50vw + 50%); }

/* --- Mobile Bottom Navigation --- */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(20, 20, 22, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 3500;
    padding: 8px 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
}

.mobile-bottom-nav {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    color: var(--text-secondary);
    font-size: 0.65rem;
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 4px;
}

.mobile-nav-item i {
    font-size: 1.3rem;
}

.mobile-nav-item span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
    color: #fff;
}

.mobile-nav-item.mobile-nav-cta {
    background: linear-gradient(180deg, #0071e3 0%, #005bb5 100%);
    color: #fff;
    border-radius: 12px;
    margin: 4px;
    padding: 10px 8px;
}

.mobile-nav-item.mobile-nav-cta i {
    font-size: 1.1rem;
}

.mobile-nav-item.mobile-nav-cta span {
    font-size: 0.6rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: grid;
    }
    
    /* 为底部导航留出空间 */
    footer {
        padding-bottom: 100px;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    /* 调整弹窗位置避免被遮挡 */
    .holo-popup .holo-box {
        margin-bottom: 80px;
    }
}

/* Admin Bar Fix */
body.admin-bar .navbar { top: 32px; }
@media (max-width: 782px) {
    body.admin-bar .navbar { top: 46px; }
}