/* === 一宅一句 公共样式 === */
:root {
    --ink: #2c2420;
    --ink-light: #4a3f38;
    --parchment: #f6f2eb;
    --parchment-deep: #ede7db;
    --cream: #faf8f4;
    --gold: #a68a3e;
    --gold-soft: #c4aa5c;
    --gold-bg: rgba(166, 138, 62, 0.07);
    --vermilion: #b5452a;
    --vermilion-soft: rgba(181, 69, 42, 0.08);
    --bamboo: #6b7b5e;
    --text: #3d3530;
    --text-secondary: #7a706a;
    --text-light: #a09890;
    --border: #ddd5c8;
    --border-soft: #e8e2d6;
    --white: #fefcf8;
    --shadow-sm: 0 1px 3px rgba(44,36,32,0.05);
    --shadow-md: 0 4px 20px rgba(44,36,32,0.07);
    --shadow-lg: 0 8px 40px rgba(44,36,32,0.10);
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
    background:var(--parchment);
    color:var(--text);
    min-height:100vh;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
}
/* 颗粒纹理 */
body::before{
    content:'';
    position:fixed;
    top:0;left:0;width:100%;height:100%;
    pointer-events:none;
    z-index:9999;
    opacity:0.03;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* === Sticky 导航 === */
.topbar{
    position:sticky;top:0;z-index:900;
    background:rgba(254,252,248,0.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border-soft);
    padding:0 24px;
    transition:box-shadow 0.3s;
}
.topbar.scrolled{box-shadow:var(--shadow-sm);}
.topbar-inner{
    max-width:1080px;margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;
    height:52px;
}
.topbar-brand{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.05rem;font-weight:600;
    color:var(--ink);letter-spacing:0.15em;
    text-decoration:none;
}
.topbar-brand:hover{color:var(--ink);}
.topbar-nav{display:flex;gap:24px;align-items:center;}
.topbar-nav a{
    font-size:0.82rem;color:var(--text-secondary);
    text-decoration:none;transition:color 0.2s;
}
.topbar-nav a:hover{color:var(--gold);}
.topbar-cta{
    font-size:0.78rem;padding:6px 16px;
    background:var(--ink);color:var(--parchment);
    border:none;border-radius:6px;cursor:pointer;
    transition:opacity 0.2s;font-weight:500;
    text-decoration:none;
}
.topbar-cta:hover{opacity:0.85;}

/* === Hero 区 === */
.hero{
    text-align:center;
    padding:80px 24px 64px;
    background:var(--white);
    position:relative;
    overflow:hidden;
}
.hero::before{
    content:'';position:absolute;
    top:-60px;left:50%;transform:translateX(-50%);
    width:600px;height:200px;
    background:radial-gradient(ellipse,rgba(166,138,62,0.06) 0%,transparent 70%);
    pointer-events:none;
}
.seal{
    width:72px;height:72px;margin:0 auto 24px;
    border:3px solid var(--vermilion);
    border-radius:6px;
    display:flex;align-items:center;justify-content:center;
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.5rem;font-weight:700;
    color:var(--vermilion);
    letter-spacing:0.1em;
    transform:rotate(-3deg);
    position:relative;
}
.seal::after{
    content:'';position:absolute;inset:3px;
    border:1px solid var(--vermilion);
    border-radius:3px;opacity:0.4;
}
.hero-title{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:2.4rem;font-weight:200;
    color:var(--ink);letter-spacing:0.25em;
    margin-bottom:16px;
    line-height:1.4;
}
.hero-claim{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.05rem;font-weight:400;
    color:var(--gold);letter-spacing:0.2em;
    margin-bottom:12px;
}
.hero-desc{
    font-size:0.88rem;color:var(--text-secondary);
    max-width:440px;margin:0 auto 28px;
    line-height:2;
}
.hero-actions{
    display:flex;justify-content:center;gap:14px;
    flex-wrap:wrap;
}
.btn-hero{
    padding:11px 28px;border-radius:6px;
    font-size:0.88rem;font-weight:500;
    cursor:pointer;transition:all 0.2s;
    text-decoration:none;
}
.btn-hero--primary{
    background:var(--ink);color:var(--parchment);border:none;
}
.btn-hero--primary:hover{opacity:0.85;}
.btn-hero--outline{
    background:transparent;color:var(--text);
    border:1px solid var(--border);
}
.btn-hero--outline:hover{border-color:var(--gold);color:var(--gold);}

/* === 信任背书条 === */
.trust-bar{
    background:var(--parchment-deep);
    border-top:1px solid var(--border-soft);
    border-bottom:1px solid var(--border-soft);
    padding:20px 24px;
}
.trust-inner{
    max-width:1080px;margin:0 auto;
    display:flex;justify-content:center;
    gap:40px;flex-wrap:wrap;
}
.trust-item{text-align:center;}
.trust-num{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.5rem;font-weight:600;
    color:var(--ink);
}
.trust-label{
    font-size:0.78rem;color:var(--text-light);
    margin-top:2px;
}

/* === 通用 === */
.container{max-width:1080px;margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}
.section--alt{background:var(--white);}
.section-head{margin-bottom:40px;}
.section-head h2{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.4rem;color:var(--ink);
    font-weight:400;margin-bottom:8px;
    letter-spacing:0.05em;
}
.section-head p{color:var(--text-secondary);font-size:0.85rem;}
.section-head--center{text-align:center;}
.section-head h2::after{
    content:'';display:block;
    width:32px;height:2px;
    background:var(--gold);
    margin-top:12px;
}
.section-head--center h2::after{margin-left:auto;margin-right:auto;}

/* === 服务卡片 === */
.services{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
}
.service-card{
    background:var(--white);
    border:1px solid var(--border-soft);
    border-radius:10px;
    padding:22px 20px;
    cursor:pointer;
    transition:border-color 0.25s,box-shadow 0.25s;
    display:flex;align-items:flex-start;gap:14px;
    text-decoration:none;color:inherit;
}
.service-card:hover{
    border-color:var(--gold-soft);
    box-shadow:var(--shadow-md);
}
.service-card--featured{
    grid-column:1/-1;
    background:var(--ink);
    border-color:var(--ink);
    color:var(--parchment);
    padding:28px 24px;
}
.service-card--featured:hover{
    border-color:var(--gold);
    box-shadow:0 4px 24px rgba(44,36,32,0.18);
}
.service-card--featured .card-title{color:var(--parchment);}
.service-card--featured .card-desc{color:#b8b0a5;}
.service-card--featured .card-icon{
    background:rgba(166,138,62,0.12);
    color:var(--gold-soft);
    border-color:rgba(166,138,62,0.25);
}
.card-icon{
    width:42px;height:42px;border-radius:8px;
    background:var(--gold-bg);
    border:1px solid var(--border-soft);
    display:flex;align-items:center;justify-content:center;
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.1rem;flex-shrink:0;
    color:var(--gold);font-weight:600;
}
.card-body{flex:1;min-width:0;}
.card-title{font-size:0.95rem;color:var(--ink);font-weight:500;margin-bottom:3px;}
.card-desc{font-size:0.8rem;color:var(--text-secondary);line-height:1.7;}

/* 服务卡片折叠 */
.service-card.service-card--hidden{
    display:none;
}
.services.expanded .service-card.service-card--hidden{
    display:flex;
    animation: fadeSlideIn 0.4s ease forwards;
}
@keyframes fadeSlideIn{
    from{opacity:0;transform:translateY(12px);}
    to{opacity:1;transform:translateY(0);}
}
.btn-expand-services{
    display:inline-flex;align-items:center;gap:6px;
    background:transparent;
    border:1px solid var(--border);
    color:var(--text-secondary);
    padding:10px 28px;
    border-radius:20px;
    font-size:0.88rem;
    cursor:pointer;
    transition:all 0.3s;
    font-family:inherit;
}
.btn-expand-services:hover{
    border-color:var(--gold);
    color:var(--gold);
    background:var(--gold-bg);
}
.expand-arrow{
    font-size:0.7rem;
    transition:transform 0.3s;
    display:inline-block;
}
.btn-expand-services.expanded .expand-arrow{
    transform:rotate(180deg);
}

/* === 咨询流程 === */
.process{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;position:relative;
}
.process::before{
    content:'';position:absolute;
    top:24px;left:12.5%;right:12.5%;
    height:1px;background:var(--border);
}
.process-step{
    text-align:center;position:relative;
    padding:0 12px;
}
.process-num{
    width:48px;height:48px;
    border-radius:50%;
    background:var(--white);
    border:2px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    margin:0 auto 14px;
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1rem;font-weight:600;
    color:var(--gold);
    position:relative;z-index:1;
}
.process-step:first-child .process-num{
    border-color:var(--gold);
    background:var(--gold-bg);
}
.process-title{
    font-size:0.9rem;color:var(--ink);
    font-weight:500;margin-bottom:4px;
}
.process-desc{
    font-size:0.78rem;color:var(--text-light);
    line-height:1.6;
}

/* === 定价 === */
.pricing{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:18px;margin-bottom:28px;
}
.price-card{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:28px 22px;
    text-align:center;position:relative;
}
.price-card--hot{
    border-color:var(--gold);
    box-shadow:var(--shadow-md);
}
.price-badge{
    position:absolute;top:-11px;left:50%;
    transform:translateX(-50%);
    background:var(--vermilion);color:#fff;
    padding:2px 14px;border-radius:10px;
    font-size:0.7rem;font-weight:500;
    letter-spacing:0.05em;
}
.price-card h3{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.05rem;color:var(--ink);
    margin-bottom:8px;font-weight:600;
}
.price-card--hot h3{color:var(--gold);}
.price-card .desc{
    font-size:0.82rem;color:var(--text-secondary);
    margin-bottom:16px;line-height:1.7;
}
.price-amount{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.6rem;font-weight:700;
    color:var(--ink);margin-bottom:18px;
}
.price-card--hot .price-amount{color:var(--gold);}
.btn-price{
    display:block;width:100%;padding:10px;
    border-radius:8px;font-size:0.88rem;
    cursor:pointer;border:none;font-weight:500;
    transition:opacity 0.2s;
}
.btn-price:hover{opacity:0.85;}
.btn-price--primary{background:var(--gold);color:var(--white);}
.btn-price--outline{
    background:transparent;
    border:1px solid var(--border);color:var(--text);
}
.addons{
    display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
}
.addon-card{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:20px 16px;text-align:center;
}
.addon-card h4{font-size:0.92rem;color:var(--ink);margin-bottom:4px;}
.addon-card .desc{font-size:0.78rem;color:var(--text-secondary);margin-bottom:10px;line-height:1.6;}
.addon-price{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.1rem;font-weight:700;
    color:var(--gold);margin-bottom:12px;
}
.btn-addon{
    display:inline-block;padding:7px 18px;
    border-radius:6px;border:1px solid var(--border);
    background:transparent;color:var(--text);
    font-size:0.82rem;cursor:pointer;
    transition:border-color 0.2s,color 0.2s;
}
.btn-addon:hover{border-color:var(--gold);color:var(--gold);}

/* === 视频 === */
.video-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
}
.video-item{
    position:relative;border-radius:8px;overflow:hidden;
    background:var(--ink);aspect-ratio:16/10;
}
.video-item video{width:100%;height:100%;object-fit:cover;display:block;}

/* === 客户反馈 === */
.cases{
    display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.case-card{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;overflow:hidden;
}
.case-card img{width:100%;display:block;}
.case-card figcaption{
    padding:12px 14px;font-size:0.82rem;
    color:var(--text-secondary);text-align:center;
}

/* === 微信引导区（页内） === */
.wechat-section{
    background:var(--ink);
    color:var(--parchment);
    padding:56px 24px;
    text-align:center;
    position:relative;
}
.wechat-section::before{
    content:'';position:absolute;top:0;left:0;right:0;bottom:0;
    opacity:0.025;pointer-events:none;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wechat-inner{max-width:480px;margin:0 auto;position:relative;}
.wechat-section h2{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.3rem;font-weight:400;
    color:var(--parchment);margin-bottom:8px;
    letter-spacing:0.1em;
}
.wechat-section .wechat-sub{
    font-size:0.85rem;color:#b8b0a5;
    margin-bottom:24px;line-height:1.8;
}
.wechat-qr{
    width:150px;border-radius:10px;
    margin:0 auto 16px;display:block;
    border:4px solid rgba(255,255,255,0.08);
}
.wechat-hint{
    font-size:0.82rem;color:#b8b0a5;
    margin-bottom:6px;
}
.wechat-note{
    font-size:0.75rem;color:#8a8078;
    margin-top:12px;
}

/* === 底部 === */
.site-footer{
    text-align:center;padding:32px 24px;
    border-top:1px solid var(--border-soft);
    background:var(--white);
}
.footer-brand{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1rem;color:var(--ink);
    letter-spacing:0.2em;margin-bottom:6px;
}
.site-footer p{font-size:0.78rem;color:var(--text-light);}
.footer-links{
    margin-top:12px;display:flex;
    justify-content:center;align-items:center;
    gap:18px;font-size:0.78rem;
}
.footer-links a{color:var(--gold);text-decoration:none;transition:opacity 0.2s;}
.footer-links a:hover{opacity:0.7;}
.footer-links .sep{color:var(--border);}

/* === 弹窗 === */
.modal{
    display:none;position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(44,36,32,0.45);
    backdrop-filter:blur(6px);
    z-index:1000;overflow:auto;
}
.modal.active{display:flex;align-items:center;justify-content:center;}
.modal-content{
    background:var(--white);max-width:460px;width:92%;
    margin:24px auto;border-radius:12px;
    padding:28px 26px;box-shadow:var(--shadow-lg);
    position:relative;
}
.modal-close{
    position:absolute;top:16px;right:16px;
    width:30px;height:30px;
    display:flex;align-items:center;justify-content:center;
    font-size:1.1rem;cursor:pointer;color:var(--text-light);
    border-radius:50%;transition:background 0.2s;
}
.modal-close:hover{background:var(--parchment);color:var(--text);}
.modal h2{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    color:var(--ink);margin-bottom:6px;
    font-size:1.15rem;font-weight:600;
}
.modal .modal-desc{
    color:var(--text-secondary);font-size:0.82rem;margin-bottom:20px;
}

/* === 表单 === */
.form-group{margin-bottom:16px;}
.form-group label{
    display:block;margin-bottom:6px;
    color:var(--text-secondary);font-size:0.82rem;
}
.form-group select,.form-group input,.form-group textarea{
    width:100%;padding:10px 14px;
    border:1px solid var(--border);border-radius:8px;
    background:var(--parchment);color:var(--text);
    font-size:0.9rem;font-family:inherit;
    transition:border-color 0.2s;
}
.form-group select:focus,.form-group input:focus,.form-group textarea:focus{
    outline:none;border-color:var(--gold);
}
.form-group textarea{resize:vertical;min-height:80px;}
.btn{
    background:var(--gold);border:none;
    padding:12px 20px;border-radius:8px;
    color:var(--white);font-size:0.9rem;
    font-weight:500;cursor:pointer;width:100%;
    transition:opacity 0.2s;
}
.btn:hover{opacity:0.85;}
.upload-area{
    border:1px dashed var(--border);border-radius:10px;
    padding:30px;text-align:center;cursor:pointer;
    margin-bottom:14px;transition:border-color 0.2s;
    color:var(--text-secondary);font-size:0.88rem;
}
.upload-area:hover{border-color:var(--gold);}
.upload-hint{font-size:0.78rem;color:var(--text-light);margin-top:6px;}
.result{
    margin-top:16px;background:var(--parchment);
    border-radius:10px;padding:18px;display:none;
}
.result.active{display:block;}
.result h4{
    color:var(--ink);margin-bottom:10px;
    font-size:0.95rem;font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
}

/* === 引导弹窗 === */
.lead-popup{
    display:none;position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(44,36,32,0.55);
    backdrop-filter:blur(6px);
    z-index:2000;align-items:center;justify-content:center;
}
.lead-popup.active{display:flex;}
.lead-box{
    background:var(--white);border-radius:14px;
    padding:32px;text-align:center;
    box-shadow:var(--shadow-lg);max-width:340px;width:90%;
}
.lead-box h3{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    color:var(--ink);margin-bottom:6px;font-size:1.1rem;
}
.lead-box .lead-hint{font-size:0.82rem;color:var(--text-secondary);margin-bottom:16px;}
.lead-box img{width:150px;margin:0 auto 14px;display:block;border-radius:8px;}
.lead-box .qr-hint{font-size:0.82rem;color:var(--text-secondary);}
.lead-close{
    margin-top:16px;color:var(--text-light);
    font-size:0.82rem;cursor:pointer;transition:color 0.2s;
}
.lead-close:hover{color:var(--text);}

/* === 登录 === */
.login-overlay{
    display:none;position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(44,36,32,0.45);
    backdrop-filter:blur(6px);
    z-index:3000;align-items:center;justify-content:center;
}
.login-overlay.active{display:flex;}
.login-box{
    background:var(--white);border-radius:12px;
    padding:28px;max-width:340px;width:90%;
    box-shadow:var(--shadow-lg);
}
.login-box h3{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    color:var(--ink);margin-bottom:18px;
    text-align:center;font-size:1.1rem;
}
.login-box input{
    width:100%;padding:10px 14px;border-radius:8px;
    border:1px solid var(--border);background:var(--parchment);
    color:var(--text);font-size:0.9rem;margin-bottom:12px;
}
.login-box input:focus{outline:none;border-color:var(--gold);}
.btn-login{
    width:100%;padding:10px;border:none;border-radius:8px;
    font-weight:500;cursor:pointer;font-size:0.9rem;
    transition:opacity 0.2s;
}
.btn-login:hover{opacity:0.85;}
.btn-login--primary{background:var(--gold);color:var(--white);margin-bottom:8px;}
.btn-login--ghost{background:transparent;border:1px solid var(--border);color:var(--text-secondary);}

/* === 悬浮按钮 === */
.fab-chat{
    position:fixed;bottom:24px;right:24px;
    width:50px;height:50px;background:var(--ink);
    border-radius:50%;display:flex;align-items:center;justify-content:center;
    cursor:pointer;box-shadow:var(--shadow-md);
    z-index:9998;transition:transform 0.2s;
    border:none;color:var(--parchment);
}
.fab-chat:hover{transform:scale(1.05);}
.fab-chat svg{
    width:20px;height:20px;fill:none;
    stroke:var(--parchment);stroke-width:2;
    stroke-linecap:round;stroke-linejoin:round;
}
.fab-top{
    position:fixed;bottom:84px;right:24px;
    width:38px;height:38px;background:var(--white);
    border:1px solid var(--border);border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;z-index:9997;
    font-size:0.85rem;color:var(--text-secondary);
    transition:border-color 0.2s;
}
.fab-top:hover{border-color:var(--gold);color:var(--gold);}

/* === 聊天窗口 === */
.chat-widget{
    position:fixed;bottom:24px;right:24px;
    z-index:9999;display:none;width:360px;
}
.chat-widget.active{display:block;}
.chat-container{
    height:460px;background:var(--white);
    border-radius:12px;box-shadow:var(--shadow-lg);
    display:flex;flex-direction:column;
    border:1px solid var(--border-soft);overflow:hidden;
}
.chat-head{
    padding:14px 18px;background:var(--ink);
    display:flex;justify-content:space-between;
    align-items:center;color:var(--parchment);
}
.chat-head-title{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:0.95rem;font-weight:600;
}
.chat-head-close{cursor:pointer;font-size:1.1rem;opacity:0.7;transition:opacity 0.2s;}
.chat-head-close:hover{opacity:1;}
.chat-body{
    flex:1;overflow-y:auto;padding:16px;
    display:flex;flex-direction:column;gap:12px;
}
.chat-msg{font-size:0.88rem;line-height:1.6;max-width:85%;}
.chat-msg.bot{
    color:var(--text);background:var(--parchment);
    padding:10px 14px;border-radius:2px 12px 12px 12px;
    align-self:flex-start;
}
.chat-msg.user{
    color:var(--white);background:var(--ink);
    padding:10px 14px;border-radius:12px 2px 12px 12px;
    align-self:flex-end;
}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;}
.chat-quick button{
    background:var(--white);border:1px solid var(--border);
    color:var(--text-secondary);padding:5px 12px;
    border-radius:14px;font-size:0.78rem;cursor:pointer;
    transition:border-color 0.2s,color 0.2s;
}
.chat-quick button:hover{border-color:var(--gold);color:var(--gold);}
.chat-foot{
    padding:12px 14px;border-top:1px solid var(--border-soft);
    display:flex;gap:8px;
}
.chat-foot input{
    flex:1;padding:9px 14px;border-radius:20px;
    border:1px solid var(--border);background:var(--parchment);
    color:var(--text);font-size:0.88rem;
}
.chat-foot input:focus{outline:none;border-color:var(--gold);}
.chat-foot button{
    padding:9px 16px;background:var(--gold);
    border:none;border-radius:20px;cursor:pointer;
    color:var(--white);font-weight:500;font-size:0.85rem;
    transition:opacity 0.2s;
}
.chat-foot button:hover{opacity:0.85;}

/* === 加载 === */
.loading{text-align:center;padding:24px;display:none;}
.loading.active{display:block;}
.spinner{
    width:32px;height:32px;
    border:2px solid var(--border);
    border-top-color:var(--gold);
    border-radius:50%;
    animation:spin 0.8s linear infinite;
    margin:0 auto 10px;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* === 留言板 === */
.message-board{margin-top:40px;}
.message-form{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:24px;margin-bottom:24px;
}
.message-form h3{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.05rem;color:var(--ink);
    margin-bottom:16px;font-weight:500;
}
.message-form .form-row{
    display:flex;gap:12px;margin-bottom:12px;
}
.message-form .form-row input{
    flex:1;padding:10px 14px;
    border:1px solid var(--border);border-radius:8px;
    background:var(--parchment);color:var(--text);
    font-size:0.9rem;font-family:inherit;
}
.message-form .form-row input:focus{outline:none;border-color:var(--gold);}
.message-form .form-row select{
    padding:10px 14px;
    border:1px solid var(--border);border-radius:8px;
    background:var(--parchment);color:var(--text);
    font-size:0.9rem;font-family:inherit;
}
.message-form textarea{
    width:100%;padding:10px 14px;
    border:1px solid var(--border);border-radius:8px;
    background:var(--parchment);color:var(--text);
    font-size:0.9rem;font-family:inherit;
    resize:vertical;min-height:80px;margin-bottom:12px;
}
.message-form textarea:focus{outline:none;border-color:var(--gold);}
.message-list{display:flex;flex-direction:column;gap:14px;}
.message-item{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:18px 20px;
}
.message-item-header{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:8px;
}
.message-item-author{
    font-weight:500;color:var(--ink);font-size:0.9rem;
}
.message-item-meta{
    font-size:0.75rem;color:var(--text-light);
}
.message-item-badge{
    display:inline-block;
    padding:2px 8px;border-radius:4px;
    font-size:0.72rem;
    background:var(--gold-bg);color:var(--gold);
    margin-left:8px;
}
.message-item-content{
    font-size:0.88rem;color:var(--text);
    line-height:1.8;
}
.btn-load-more{
    display:block;margin:20px auto 0;
    padding:10px 28px;border-radius:8px;
    background:transparent;border:1px solid var(--border);
    color:var(--text-secondary);font-size:0.85rem;
    cursor:pointer;transition:border-color 0.2s,color 0.2s;
}
.btn-load-more:hover{border-color:var(--gold);color:var(--gold);}

/* === FAQ 折叠 === */
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;overflow:hidden;
}
.faq-q{
    padding:16px 20px;cursor:pointer;
    display:flex;justify-content:space-between;align-items:center;
    font-size:0.92rem;color:var(--ink);font-weight:500;
    transition:background 0.2s;
}
.faq-q:hover{background:var(--parchment);}
.faq-q::after{
    content:'+';font-size:1.2rem;color:var(--text-light);
    transition:transform 0.3s;
}
.faq-item.active .faq-q::after{
    content:'-';
}
.faq-a{
    max-height:0;overflow:hidden;
    transition:max-height 0.3s ease,padding 0.3s ease;
}
.faq-item.active .faq-a{
    max-height:300px;
    padding:0 20px 16px;
}
.faq-a p{
    font-size:0.85rem;color:var(--text-secondary);
    line-height:1.8;
}

/* === 服务详情页专用 === */
.service-hero{
    text-align:center;
    padding:60px 24px 48px;
    background:var(--white);
    position:relative;
}
.service-hero .service-icon{
    width:64px;height:64px;border-radius:12px;
    background:var(--gold-bg);border:1px solid var(--border-soft);
    display:flex;align-items:center;justify-content:center;
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.6rem;color:var(--gold);font-weight:600;
    margin:0 auto 20px;
}
.service-hero h1{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.8rem;font-weight:400;
    color:var(--ink);letter-spacing:0.1em;
    margin-bottom:10px;
}
.service-hero .service-tagline{
    font-size:0.9rem;color:var(--text-secondary);
    max-width:500px;margin:0 auto;
    line-height:1.8;
}
.service-detail-section{
    padding:48px 0;
}
.service-detail-section h2{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.2rem;color:var(--ink);
    font-weight:500;margin-bottom:20px;
    letter-spacing:0.05em;
}
.service-detail-section h2::after{
    content:'';display:block;
    width:28px;height:2px;
    background:var(--gold);
    margin-top:10px;
}
.service-features{
    display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.service-feature-item{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:20px;
}
.service-feature-item h4{
    font-size:0.92rem;color:var(--ink);
    margin-bottom:6px;font-weight:500;
}
.service-feature-item p{
    font-size:0.82rem;color:var(--text-secondary);
    line-height:1.7;
}
.service-price-table{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:14px;
}
.service-price-item{
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:10px;padding:22px;text-align:center;
}
.service-price-item h4{
    font-size:0.92rem;color:var(--ink);margin-bottom:8px;
}
.service-price-item .price{
    font-family:'STSong','Songti SC','Noto Serif CJK SC','Source Han Serif SC',serif;
    font-size:1.4rem;font-weight:700;
    color:var(--gold);margin-bottom:8px;
}
.service-price-item p{
    font-size:0.78rem;color:var(--text-secondary);
    line-height:1.6;
}
.breadcrumb{
    padding:12px 0;font-size:0.8rem;color:var(--text-light);
}
.breadcrumb a{color:var(--text-secondary);text-decoration:none;}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb span{margin:0 6px;}

/* === 趣味测试卡片 === */
.test-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:16px;max-width:960px;margin:0 auto;
}
.test-card-item{
    text-decoration:none;color:inherit;
    background:var(--white);border:1px solid var(--border-soft);
    border-radius:12px;padding:24px 20px;text-align:center;
    transition:border-color 0.25s,box-shadow 0.25s,transform 0.2s;
}
.test-card-item:hover{
    border-color:var(--gold-soft);
    box-shadow:var(--shadow-md);
    transform:translateY(-2px);
}
.test-card-icon{font-size:2rem;margin-bottom:8px;}
.test-card-title{font-weight:600;font-size:0.95rem;color:var(--ink);}
.test-card-desc{font-size:0.8rem;color:var(--text-secondary);margin-top:6px;}
.test-card-item.test-card--hidden{display:none;}
.test-grid.expanded .test-card-item.test-card--hidden{
    display:block;
    animation:fadeSlideIn 0.4s ease forwards;
}

/* === 服务页测试建议卡 === */
.seo-test-entrance{
    padding-top: 10px;
    padding-bottom: 16px;
}
.seo-test-card{
    background:#fff8ea;
    border:1px solid #eadac0;
    border-radius:12px;
    padding:14px 16px;
    max-width:860px;
    margin:0 auto;
}
.seo-test-title{
    margin:0 0 10px;
    font-size:1rem;
    color:#2f2924;
    text-align:center;
}
.seo-test-list{
    margin:0;
    padding:0 0 0 20px;
    line-height:1.85;
}
.seo-test-list li{
    margin:0 0 8px;
}
.seo-test-list li:last-child{
    margin-bottom:0;
}
.seo-test-list a{
    color:#5f472d;
    text-decoration:none;
    border-bottom:1px dashed #c8ad84;
}
.seo-test-list a:hover{
    color:#3d2d1c;
}

/* === 响应式 === */
@media(max-width:768px){
    .topbar-nav a:not(:last-child){display:none;}
    .services{grid-template-columns:1fr;}
    .pricing{grid-template-columns:1fr;}
    .addons{grid-template-columns:1fr;}
    .process{grid-template-columns:repeat(2,1fr);gap:24px;}
    .process::before{display:none;}
    .video-grid{grid-template-columns:repeat(2,1fr);}
    .cases{grid-template-columns:repeat(2,1fr);}
    .chat-widget{width:calc(100vw - 32px);right:16px;bottom:16px;}
    .hero-title{font-size:1.8rem;}
    .trust-inner{gap:24px;}
    .service-features{grid-template-columns:1fr;}
    .message-form .form-row{flex-direction:column;}
    .service-hero h1{font-size:1.4rem;}
}
@media(max-width:480px){
    .video-grid{grid-template-columns:1fr;}
    .cases{grid-template-columns:1fr;}
    .hero{padding:56px 20px 48px;}
}