/* roulang page: index */
:root {
    --primary: #0E6E6B;
    --primary-dark: #0A4D4B;
    --primary-darker: #052F2D;
    --primary-light: #E4F1EF;
    --accent: #F2A03D;
    --accent-hover: #F5B45E;
    --success: #1E9E62;
    --bg: #F6F5F0;
    --card-bg: #FFFFFF;
    --border: #E2E8E6;
    --text-main: #152725;
    --text-sub: #4C5C58;
    --text-weak: #7B8B87;
    --radius-card: 14px;
    --radius-btn: 8px;
    --shadow-card: 0 2px 6px rgba(5,47,45,.05);
    --shadow-card-hover: 0 12px 28px rgba(5,47,45,.12);
    --shadow-nav: 0 6px 20px rgba(5,47,45,.08);
    --transition: 0.25s ease-out;
    --font-main: "Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    --font-num: "DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.75;
    color:var(--text-main);
    background:var(--bg);
    min-width:320px;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1280px}
::selection{background:var(--primary-light);color:var(--primary-darker)}
:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:3px;
    border-radius:4px;
}

/* ===== 按钮 ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 28px;
    border-radius:var(--radius-btn);
    font-weight:700;
    font-size:15px;
    line-height:1;
    cursor:pointer;
    transition:all .22s ease-out;
    white-space:nowrap;
    border:1px solid transparent;
    user-select:none;
    text-align:center;
}
.btn-primary{
    background:var(--accent);
    color:#1A2E2B;
    border-color:var(--accent);
    box-shadow:0 4px 14px rgba(242,160,61,.28);
}
.btn-primary:hover{
    background:var(--accent-hover);
    border-color:var(--accent-hover);
    color:#1A2E2B;
    transform:translate(-1px,-2px);
    box-shadow:0 8px 22px rgba(242,160,61,.34);
}
.btn-primary:active{
    transform:translateY(1px);
    box-shadow:0 2px 8px rgba(242,160,61,.2);
}
.btn-secondary{
    background:rgba(255,255,255,.08);
    color:#fff;
    border:1px solid rgba(255,255,255,.6);
    backdrop-filter:blur(4px);
}
.btn-secondary:hover{
    background:rgba(255,255,255,.16);
    color:#fff;
    border-color:rgba(255,255,255,.85);
    transform:translate(-1px,-2px);
}
.btn-secondary-light{
    background:transparent;
    color:var(--primary);
    border:1px solid var(--primary);
}
.btn-secondary-light:hover{
    background:var(--primary-light);
    color:var(--primary);
}
.btn-lg{height:52px;padding:0 36px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:3px;
}

/* ===== 徽章 / 标签 ===== */
.badge{
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    padding:4px 12px;
    font-size:12px;
    font-weight:600;
    line-height:1.4;
}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-white{
    background:rgba(255,255,255,.12);
    color:#fff;
    border:1px solid rgba(255,255,255,.2);
    backdrop-filter:blur(4px);
}
.badge-gray{background:rgba(100,110,106,.1);color:var(--text-weak)}
.tag{
    display:inline-flex;
    align-items:center;
    gap:4px;
    padding:2px 12px;
    border-radius:4px;
    font-size:12px;
    background:var(--primary-light);
    color:var(--primary);
    font-weight:500;
}

/* ===== 区块标题 ===== */
.section{
    padding:88px 0;
    position:relative;
}
.section-title{
    font-size:32px;
    font-weight:700;
    line-height:1.3;
    color:var(--text-main);
    margin-bottom:16px;
    letter-spacing:-.01em;
}
.section-title .num{
    font-size:15px;
    font-weight:700;
    color:var(--accent);
    margin-right:8px;
    vertical-align:middle;
    font-family:var(--font-num);
}
.section-sub{
    font-size:16px;
    color:var(--text-sub);
    max-width:640px;
    line-height:1.75;
    margin-bottom:44px;
}
.title-line{
    width:44px;
    height:3px;
    background:var(--accent);
    border-radius:4px;
    margin-bottom:18px;
}

/* ===== 顶部导航 ===== */
.site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:1000;
    height:72px;
    display:flex;
    align-items:center;
    background:rgba(255,255,255,.06);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.14);
    transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
    background:rgba(255,255,255,.96);
    box-shadow:var(--shadow-nav);
    border-bottom-color:rgba(255,255,255,.1);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
    gap:24px;
}
.site-logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:800;
    color:#fff;
    letter-spacing:.01em;
    transition:color .3s ease;
    white-space:nowrap;
}
.site-logo .logo-mark{
    width:36px;
    height:36px;
    border-radius:10px;
    background:linear-gradient(135deg,var(--primary) 0%,var(--primary-darker) 100%);
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative;
    flex-shrink:0;
}
.site-logo .logo-mark::after{
    content:"";
    width:14px;
    height:14px;
    background:var(--accent);
    border-radius:4px;
    transform:rotate(45deg);
}
.site-header.scrolled .site-logo{color:var(--text-main)}
.site-nav{
    display:flex;
    align-items:center;
    gap:24px;
}
.nav-link{
    font-size:15px;
    color:rgba(255,255,255,.88);
    font-weight:500;
    padding:6px 2px;
    position:relative;
    transition:color .22s ease;
    white-space:nowrap;
}
.nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-2px;
    width:0;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    transition:width .25s ease;
}
.nav-link:hover::after,
.nav-link.active::after{width:100%}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff;font-weight:600}
.site-header.scrolled .nav-link{color:var(--text-sub)}
.site-header.scrolled .nav-link:hover{color:var(--primary)}
.site-header.scrolled .nav-link.active{color:var(--primary)}
.header-actions{
    display:flex;
    align-items:center;
    gap:16px;
}
.btn-nav{
    height:40px;
    padding:0 20px;
    font-size:14px;
}
.nav-toggle{
    display:none;
    width:44px;
    height:44px;
    background:transparent;
    border:1px solid rgba(255,255,255,.2);
    border-radius:8px;
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    transition:all .25s ease;
}
.nav-toggle span{
    display:block;
    width:20px;
    height:2px;
    background:#fff;
    border-radius:2px;
    transition:all .25s ease;
}
.site-header.scrolled .nav-toggle{border-color:var(--border)}
.site-header.scrolled .nav-toggle span{background:var(--text-main)}

/* ===== 移动端抽屉 ===== */
.mobile-overlay{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(5,20,18,.55);
    z-index:1100;
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
}
.mobile-overlay.show{opacity:1;visibility:visible}
.mobile-drawer{
    position:fixed;
    top:0;right:0;bottom:0;
    width:300px;
    max-width:85vw;
    background:#fff;
    z-index:1200;
    transform:translateX(100%);
    transition:transform .32s ease;
    display:flex;
    flex-direction:column;
    padding:24px 0 32px;
    box-shadow:-10px 0 40px rgba(5,30,28,.15);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 24px 20px;
    border-bottom:1px solid #f0f2f0;
    margin-bottom:16px;
}
.drawer-logo{
    font-size:16px;
    font-weight:800;
    color:var(--text-main);
    line-height:1.3;
}
.drawer-close{
    width:44px;
    height:44px;
    background:transparent;
    font-size:26px;
    line-height:1;
    color:var(--text-sub);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:8px;
    transition:background .2s ease;
}
.drawer-close:hover{background:#f4f6f5}
.drawer-nav{
    display:flex;
    flex-direction:column;
    padding:0 12px;
}
.drawer-nav .nav-link{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    font-size:16px;
    color:var(--text-main);
    border-radius:8px;
    transition:background .2s ease;
}
.drawer-nav .nav-link:hover{background:var(--primary-light)}
.drawer-nav .nav-link::after{display:none}
.drawer-nav .nav-link.active{
    background:var(--primary-light);
    color:var(--primary);
    font-weight:600;
}
.drawer-action{
    margin-top:24px;
    padding:0 24px;
}

/* ===== Hero ===== */
.hero{
    min-height:92vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    position:relative;
    background-image:linear-gradient(180deg,rgba(5,47,45,.72) 0%,rgba(5,47,45,.42) 55%,rgba(5,47,45,.9) 100%),url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center center;
    background-repeat:no-repeat;
    padding:100px 24px 60px;
    overflow:hidden;
}
.hero-content{
    max-width:900px;
    margin:0 auto;
    position:relative;
    z-index:2;
    color:#fff;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.2);
    border-radius:999px;
    padding:6px 16px;
    font-size:14px;
    font-weight:500;
    backdrop-filter:blur(6px);
    margin-bottom:24px;
    color:#fff;
}
.hero-badge .dot{
    width:6px;
    height:6px;
    background:var(--success);
    border-radius:50%;
    animation:pulse 2s infinite;
}
@keyframes pulse{
    0%,100%{box-shadow:0 0 0 0 rgba(30,158,98,.6)}
    50%{box-shadow:0 0 0 4px rgba(30,158,98,0)}
}
.hero-title{
    font-size:46px;
    font-weight:800;
    line-height:1.3;
    letter-spacing:-.01em;
    color:#fff;
    margin-bottom:20px;
    text-shadow:0 2px 16px rgba(0,0,0,.25);
}
.hero-sub{
    font-size:17px;
    line-height:1.8;
    color:rgba(255,255,255,.85);
    max-width:560px;
    margin:0 auto 36px;
}
.hero-actions{
    display:flex;
    gap:16px;
    justify-content:center;
    flex-wrap:wrap;
    margin-bottom:44px;
}
.hero-trust{
    display:flex;
    justify-content:center;
    gap:32px;
    flex-wrap:wrap;
}
.trust-item{
    display:flex;
    align-items:center;
    gap:8px;
    color:rgba(255,255,255,.72);
    font-size:14px;
}
.trust-item svg{
    width:18px;
    height:18px;
    color:var(--success);
    flex-shrink:0;
}
.scroll-down{
    position:absolute;
    bottom:28px;
    left:50%;
    transform:translateX(-50%);
    color:rgba(255,255,255,.5);
    animation:float 2.4s ease-in-out infinite;
    z-index:3;
    width:28px;
    height:44px;
}
@keyframes float{
    0%,100%{transform:translateX(-50%) translateY(0)}
    50%{transform:translateX(-50%) translateY(8px)}
}

/* ===== 痛点区 ===== */
.pain-section{background:var(--bg)}
.pain-list{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:40px;
    margin-top:24px;
}
.pain-item{
    border-bottom:1px solid var(--border);
    padding-bottom:28px;
    position:relative;
    transition:transform .25s ease;
}
.pain-item:hover{transform:translateY(-4px)}
.pain-num{
    font-family:var(--font-num);
    font-size:20px;
    font-weight:700;
    color:var(--accent);
    display:block;
    margin-bottom:14px;
}
.pain-item h3{
    font-size:19px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:10px;
    line-height:1.4;
}
.pain-item p{
    font-size:14.5px;
    line-height:1.75;
    color:var(--text-sub);
}

/* ===== 方案区 ===== */
.solution-section{background:#fff}
.solution-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr;
    gap:24px;
    align-items:stretch;
}
.solution-card-main{
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:0;
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .28s ease,box-shadow .28s ease;
    display:flex;
    flex-direction:column;
}
.solution-card-main:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-card-hover);
    border-color:var(--primary);
}
.solution-card-main .card-body{
    padding:28px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.solution-card-main .card-cover{
    width:100%;
    height:200px;
    overflow:hidden;
}
.solution-card-main .card-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.solution-card-main:hover .card-cover img{transform:scale(1.03)}
.solution-card-main h3{
    font-size:22px;
    font-weight:700;
    margin-bottom:12px;
    color:var(--text-main);
    line-height:1.4;
}
.solution-card-main p{
    font-size:15px;
    line-height:1.8;
    color:var(--text-sub);
    margin-bottom:18px;
}
.solution-list{
    margin-bottom:20px;
    display:flex;
    flex-direction:column;
    gap:10px;
}
.solution-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14.5px;
    color:var(--text-sub);
    line-height:1.6;
}
.solution-list li svg{
    width:18px;
    height:18px;
    color:var(--success);
    flex-shrink:0;
    margin-top:2px;
}
.card-link{
    color:var(--primary);
    font-weight:600;
    font-size:14.5px;
    display:inline-flex;
    align-items:center;
    gap:4px;
    margin-top:auto;
    transition:gap .2s ease;
}
.card-link:hover{gap:8px;color:var(--primary-dark)}
.solution-side{
    display:flex;
    flex-direction:column;
    gap:24px;
}
.solution-card-sm{
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:26px 28px;
    box-shadow:var(--shadow-card);
    transition:transform .25s ease,box-shadow .25s ease;
    display:flex;
    flex-direction:column;
    flex:1;
}
.solution-card-sm:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-card-hover);
    border-color:var(--primary);
}
.solution-card-sm h3{
    font-size:18px;
    font-weight:700;
    margin-bottom:8px;
    color:var(--text-main);
}
.solution-card-sm p{
    font-size:14px;
    color:var(--text-sub);
    line-height:1.6;
    margin-bottom:14px;
}

/* ===== 数据区 ===== */
.data-section{
    background-image:linear-gradient(135deg,rgba(5,47,45,.96) 0%,rgba(10,77,75,.94) 100%),url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:88px 0;
}
.data-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px 48px;
}
.data-wrapper{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:60px;
}
.data-wrapper .data-left{
    flex:0 0 45%;
}
.data-wrapper .data-right{
    flex:1;
}
.data-title{
    font-size:32px;
    font-weight:700;
    line-height:1.35;
    color:#fff;
    margin-bottom:18px;
}
.data-desc{
    font-size:15px;
    line-height:1.8;
    color:rgba(255,255,255,.72);
    margin-bottom:0;
}
.data-item{
    border-left:2px solid rgba(255,255,255,.15);
    padding-left:20px;
    transition:border-color .25s ease;
}
.data-item:hover{border-left-color:var(--accent)}
.data-num{
    font-family:var(--font-num);
    font-size:52px;
    font-weight:800;
    color:var(--accent);
    line-height:1.1;
    margin-bottom:8px;
    white-space:nowrap;
}
.data-label{
    font-size:14px;
    color:rgba(255,255,255,.68);
    line-height:1.5;
}

/* ===== 转化 CTA ===== */
.cta-banner{
    background:linear-gradient(90deg,var(--primary-darker) 0%,var(--primary-dark) 55%,var(--primary) 100%);
    border-radius:20px;
    padding:48px 56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    position:relative;
    overflow:hidden;
    box-shadow:0 20px 50px rgba(5,47,45,.18);
}
.cta-banner::before{
    content:"";
    position:absolute;
    top:-80px;
    right:-80px;
    width:260px;
    height:260px;
    background:rgba(255,255,255,.05);
    border-radius:50%;
}
.cta-banner-text h2{
    font-size:26px;
    font-weight:700;
    color:#fff;
    line-height:1.4;
    margin-bottom:8px;
}
.cta-banner-text p{
    font-size:15px;
    color:rgba(255,255,255,.72);
}
.cta-banner .btn{
    flex-shrink:0;
}

/* ===== 隐私 ===== */
.privacy-section{background:#fff}
.privacy-panel{
    background:var(--bg);
    border-left:3px solid var(--primary);
    border-radius:8px;
    padding:20px 28px;
    max-width:860px;
    margin:0 auto;
}
.privacy-panel summary{
    cursor:pointer;
    font-size:16px;
    font-weight:700;
    color:var(--text-main);
    display:flex;
    align-items:center;
    gap:10px;
    user-select:none;
    transition:color .2s ease;
}
.privacy-panel summary:hover{color:var(--primary)}
.privacy-panel summary::-webkit-details-marker{display:none}
.privacy-panel .arrow{
    display:inline-block;
    transition:transform .25s ease;
    color:var(--accent);
    font-size:18px;
}
.privacy-panel[open] .arrow{transform:rotate(180deg)}
.privacy-content{
    padding:16px 0 4px 30px;
    display:flex;
    flex-direction:column;
    gap:10px;
}
.privacy-content li{
    font-size:14.5px;
    color:var(--text-sub);
    line-height:1.7;
    display:flex;
    gap:8px;
    align-items:flex-start;
}
.privacy-content li svg{
    width:16px;
    height:16px;
    color:var(--success);
    flex-shrink:0;
    margin-top:5px;
}

/* ===== 资讯列表 ===== */
.news-section{background:var(--bg)}
.news-header{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    margin-bottom:36px;
}
.news-header .section-title{margin-bottom:0}
.news-empty{
    border:2px dashed var(--border);
    border-radius:var(--radius-card);
    padding:68px 24px;
    text-align:center;
    color:var(--text-weak);
    font-size:15px;
    background:#fff;
}
.news-list{
    display:flex;
    flex-direction:column;
    gap:12px;
}
.news-item{
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:20px 24px;
    display:flex;
    align-items:center;
    gap:20px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-card-hover);
    border-color:var(--primary);
}
.news-thumb{
    width:120px;
    height:80px;
    border-radius:8px;
    overflow:hidden;
    flex-shrink:0;
    background:var(--primary-light);
}
.news-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.news-body{
    flex:1;
    min-width:0;
    display:flex;
    flex-direction:column;
    gap:6px;
}
.news-title{
    font-size:16.5px;
    font-weight:700;
    color:var(--text-main);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    line-height:1.4;
    transition:color .2s ease;
}
.news-item:hover .news-title{color:var(--primary)}
.news-desc{
    font-size:14px;
    color:var(--text-sub);
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.news-meta{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:4px;
}
.news-meta time{
    font-size:13px;
    color:var(--text-weak);
}
.news-link{
    width:44px;
    height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:var(--primary-light);
    color:var(--primary);
    font-size:18px;
    flex-shrink:0;
    transition:background .22s ease,transform .22s ease;
}
.news-link:hover{
    background:var(--primary);
    color:#fff;
    transform:translateX(3px);
}

/* ===== FAQ ===== */
.faq-section{background:#fff}
.faq-wrap{
    max-width:860px;
    margin:0 auto;
}
.faq-item{
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item.active{
    border-left:3px solid var(--primary);
    border-color:var(--primary);
}
.faq-question{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 20px;
    cursor:pointer;
    font-size:16px;
    font-weight:600;
    color:var(--text-main);
    transition:color .2s ease;
    gap:16px;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--primary-light);
    color:var(--primary);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    font-weight:400;
    flex-shrink:0;
    transition:transform .25s ease,background .25s ease;
}
.faq-item.active .faq-icon{
    transform:rotate(45deg);
    background:var(--accent);
    color:#1A2E2B;
}
.faq-answer{
    padding:0 20px;
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease,padding .3s ease;
    font-size:14.5px;
    line-height:1.85;
    color:var(--text-sub);
}
.faq-item.active .faq-answer{
    padding:0 20px 18px;
    max-height:400px;
}

/* ===== 最终CTA ===== */
.final-cta{
    background-image:linear-gradient(135deg,rgba(5,47,45,.95) 0%,rgba(7,31,28,.9) 100%),url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    padding:76px 0;
    color:#fff;
    text-align:center;
}
.final-cta-inner{
    max-width:760px;
    margin:0 auto;
    padding:0 24px;
}
.final-cta h2{
    font-size:32px;
    font-weight:800;
    color:#fff;
    line-height:1.35;
    margin-bottom:14px;
}
.final-cta p{
    font-size:16px;
    color:rgba(255,255,255,.7);
    margin-bottom:32px;
    line-height:1.75;
}
.final-cta .cta-btns{
    display:flex;
    gap:16px;
    justify-content:center;
    flex-wrap:wrap;
}

/* ===== 页脚 ===== */
.site-footer{
    background:var(--primary-darker);
    color:rgba(255,255,255,.72);
    padding-top:56px;
}
.footer-top{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1.2fr;
    gap:40px;
    padding-bottom:44px;
}
.footer-brand .footer-logo{
    font-size:18px;
    font-weight:800;
    color:#fff;
    margin-bottom:12px;
    display:inline-flex;
    align-items:center;
    gap:8px;
}
.footer-brand .footer-logo .logo-mark{
    width:28px;
    height:28px;
    border-radius:8px;
    background:var(--accent);
    display:inline-flex;
    align-items:center;
    justify-content:center;
}
.footer-brand p{
    font-size:14px;
    line-height:1.7;
    color:rgba(255,255,255,.6);
    max-width:300px;
}
.footer-col h4{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:16px;
}
.footer-col ul{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.footer-col ul a{
    font-size:14px;
    color:rgba(255,255,255,.62);
    transition:color .2s ease,padding-left .2s ease;
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.footer-col ul a:hover{
    color:var(--accent);
    padding-left:4px;
}
.footer-col ul a svg{
    width:14px;
    height:14px;
    opacity:.6;
}
.footer-contact{
    display:flex;
    flex-direction:column;
    gap:10px;
    font-size:14px;
    color:rgba(255,255,255,.62);
}
.footer-contact li{
    display:flex;
    align-items:center;
    gap:8px;
}
.footer-contact li svg{
    width:16px;
    height:16px;
    opacity:.6;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
}
.footer-bottom p{
    font-size:13px;
    color:rgba(255,255,255,.5);
}
.footer-badges{
    display:flex;
    gap:12px;
    align-items:center;
}
.footer-badges .badge{
    background:rgba(255,255,255,.08);
    color:rgba(255,255,255,.8);
    border:1px solid rgba(255,255,255,.1);
    font-size:12px;
}

/* ===== Modal ===== */
.reveal-modal{
    border:none;
    border-radius:16px;
    padding:40px;
    background:#fff;
    box-shadow:0 30px 80px rgba(5,30,28,.25);
    max-width:520px;
    width:90%;
}
.reveal-modal .close-button{
    width:44px;
    height:44px;
    background:transparent;
    border-radius:50%;
    font-size:28px;
    color:var(--text-weak);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    position:absolute;
    top:12px;
    right:12px;
    transition:background .2s ease,color .2s ease;
}
.reveal-modal .close-button:hover{
    background:var(--bg);
    color:var(--text-main);
}
.modal-title{
    font-size:22px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:8px;
}
.modal-sub{
    font-size:14px;
    color:var(--text-sub);
    margin-bottom:28px;
    line-height:1.6;
}
.form-group{
    margin-bottom:20px;
}
.form-group label{
    display:block;
    font-size:14px;
    font-weight:600;
    color:var(--text-main);
    margin-bottom:8px;
}
.form-input{
    width:100%;
    height:44px;
    border:1px solid var(--border);
    border-radius:8px;
    padding:0 14px;
    font-size:15px;
    color:var(--text-main);
    background:#fff;
    transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(14,110,107,.15);
}
.form-select{
    width:100%;
    height:44px;
    border:1px solid var(--border);
    border-radius:8px;
    padding:0 14px;
    font-size:15px;
    color:var(--text-main);
    background:#fff;
    cursor:pointer;
    appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230E6E6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat:no-repeat;
    background-position:right 14px center;
    transition:border-color .2s ease,box-shadow .2s ease;
}
.form-select:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(14,110,107,.15);
}
.privacy-note{
    display:flex;
    align-items:flex-start;
    gap:8px;
    background:#FFF7EA;
    border-radius:6px;
    padding:12px 14px;
    font-size:12.5px;
    color:var(--text-sub);
    line-height:1.6;
    margin-top:20px;
}
.privacy-note svg{
    width:14px;
    height:14px;
    color:var(--accent);
    flex-shrink:0;
    margin-top:3px;
}
.form-success{
    text-align:center;
    padding:36px 12px;
    display:none;
}
.form-success.show{display:block}
.form-success .success-icon{
    width:64px;
    height:64px;
    border-radius:50%;
    background:var(--primary-light);
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 18px;
    color:var(--success);
}
.form-success h3{
    font-size:22px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:10px;
}
.form-success p{
    font-size:14px;
    color:var(--text-sub);
    line-height:1.6;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
    .site-nav{display:none}
    .nav-toggle{display:flex}
    .btn-nav{display:none}
    .hero-title{font-size:38px}
    .section{padding:64px 0}
    .section-title{font-size:28px}
    .pain-list{grid-template-columns:1fr 1fr;gap:32px}
    .solution-grid{grid-template-columns:1fr}
    .data-wrapper{flex-direction:column;gap:40px}
    .data-wrapper .data-left{flex:1}
    .data-grid{grid-template-columns:1fr 1fr}
    .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 32px}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:639px){
    body{font-size:15px}
    .site-header{height:64px}
    .header-inner{height:64px}
    .site-logo{font-size:17px}
    .site-logo .logo-mark{width:30px;height:30px}
    .hero{min-height:88vh;padding:96px 16px 48px}
    .hero-title{font-size:32px;line-height:1.4}
    .hero-sub{font-size:15.5px}
    .hero-trust{gap:16px;flex-direction:column;align-items:center}
    .section{padding:48px 0}
    .section-title{font-size:24px}
    .section-sub{font-size:15px}
    .pain-list{grid-template-columns:1fr;gap:24px}
    .data-grid{grid-template-columns:1fr 1fr;gap:16px}
    .data-num{font-size:36px}
    .data-desc{font-size:14px}
    .cta-banner{padding:28px 20px;border-radius:16px}
    .cta-banner-text h2{font-size:20px}
    .cta-banner .btn{width:100%}
    .privacy-panel{padding:16px 18px}
    .news-item{flex-direction:row;padding:14px 16px;gap:14px}
    .news-thumb{width:96px;height:64px}
    .news-title{font-size:15px}
    .news-desc{font-size:13px;-webkit-line-clamp:1}
    .news-link{display:none}
    .news-meta{gap:8px}
    .final-cta h2{font-size:26px}
    .final-cta .cta-btns{flex-direction:column;align-items:center}
    .footer-top{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
    .reveal-modal{padding:28px 24px}
    .modal-title{font-size:20px}
}

/* roulang page: article */
:root {
            --primary: #0E6E6B;
            --primary-dark: #0A4D4B;
            --primary-deep: #052F2D;
            --primary-light: #E4F1EF;
            --accent: #F2A03D;
            --success: #1E9E62;
            --bg: #F6F5F0;
            --card: #FFFFFF;
            --border: #E2E8E6;
            --text: #152725;
            --text-secondary: #4C5C58;
            --text-weak: #7B8B87;
            --error: #D64545;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 2px 6px rgba(5,47,45,.05);
            --shadow-card-hover: 0 12px 28px rgba(5,47,45,.12);
            --shadow-nav: 0 6px 20px rgba(5,47,45,.10);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            --transition: 0.2s ease-out;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            min-width: 320px;
            overflow-x: hidden;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease; }
        a:hover { color: var(--primary-dark); }
        ul, ol { padding-left: 1.2em; }
        button { font-family: inherit; cursor: pointer; }
        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.35;
            margin-bottom: .5em;
            color: var(--text);
        }

        .grid-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

        /* ============ 导航 ============ */
        .site-header {
            position: absolute;
            top: 0; left: 0; right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(14px) saturate(140%);
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255,255,255,0.14);
            transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.96);
            box-shadow: var(--shadow-nav);
            border-bottom-color: var(--border);
        }
        .inner-page .site-header {
            background: rgba(255,255,255,0.96);
            border-bottom-color: var(--border);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .site-header.scrolled .site-logo,
        .inner-page .site-logo { color: var(--text); }
        .logo-mark {
            width: 34px; height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            position: relative;
            flex-shrink: 0;
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            top: 8px; left: 8px; right: 8px; bottom: 8px;
            border-radius: 4px;
            background: rgba(255,255,255,0.25);
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255,255,255,0.85);
            padding: 6px 2px;
            position: relative;
            transition: color .2s ease;
        }
        .site-header.scrolled .nav-link,
        .inner-page .nav-link { color: var(--text-secondary); }
        .nav-link:hover { color: #fff; }
        .site-header.scrolled .nav-link:hover,
        .inner-page .nav-link:hover { color: var(--primary); }
        .nav-link.active { color: #fff; font-weight: 700; }
        .site-header.scrolled .nav-link.active,
        .inner-page .nav-link.active { color: var(--primary); }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px; left: 0; right: 0;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .nav-toggle {
            display: none;
            width: 44px; height: 44px;
            background: transparent;
            border: none;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
        }
        .nav-toggle span {
            display: block;
            width: 22px; height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform .25s ease, opacity .25s ease, background .25s;
        }
        .inner-page .nav-toggle span { background: var(--text); }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            border: none;
            transition: transform .2s ease-out, background .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
            text-decoration: none;
        }
        .btn:hover { text-decoration: none; }
        .btn:active { transform: translateY(1px); }
        .btn-primary {
            background: var(--accent);
            color: #1A2E2B;
        }
        .btn-primary:hover { background: #f7ab55; color: #1A2E2B; box-shadow: 0 4px 12px rgba(242,160,61,.35); transform: translateY(-1px); }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.6);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.10); color: #fff; border-color: #fff; }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline-dark:hover { background: var(--primary-light); color: var(--primary-dark); }
        .btn-nav { height: 40px; padding: 0 20px; font-size: 14px; }

        /* ============ 面包屑 ============ */
        .breadcrumb-section {
            background: var(--bg);
            padding: 96px 0 20px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            padding: 0;
        }
        .breadcrumb li { display: flex; align-items: center; gap: 8px; }
        .breadcrumb li + li::before {
            content: "/";
            color: var(--border);
        }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb .current { color: var(--text-weak); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }

        /* ============ 文章主体 ============ */
        .article-main {
            padding: 40px 0 80px;
            background: var(--bg);
        }
        .article-container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px;
            margin-bottom: 32px;
        }
        .article-category-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .article-summary {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 28px;
            position: relative;
        }
        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        /* 正文 */
        .article-content {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text);
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content p { margin-bottom: 1.5em; }
        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: .8em;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            color: var(--text);
        }
        .article-content h3 {
            font-size: 22px;
            font-weight: 600;
            margin-top: 1.6em;
            margin-bottom: .6em;
            color: var(--text);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.4em;
        }
        .article-content li { margin-bottom: 0.6em; }
        .article-content blockquote {
            margin: 1.6em 0;
            padding: 18px 24px;
            background: var(--primary-light);
            border-left: 3px solid var(--primary);
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-content img {
            width: 100%;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            margin: 1.2em 0;
        }
        .article-content a { text-decoration: underline; text-underline-offset: 3px; }
        .article-content strong { font-weight: 700; color: var(--text); }

        /* 标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .tag {
            display: inline-block;
            background: rgba(0,0,0,0.06);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            transition: background .2s ease, color .2s ease;
        }
        .tag:hover { background: var(--primary-light); color: var(--primary); }

        /* 分页 */
        .article-pagination {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
            padding: 0 8px;
        }
        .article-prev, .article-next {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--card);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all .2s ease;
            text-decoration: none;
        }
        .article-prev:hover, .article-next:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
        }

        /* 相关推荐 */
        .related-posts {
            padding-top: 8px;
        }
        .related-posts-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .related-posts-header h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0;
        }
        .related-posts-header h2 span {
            color: var(--accent);
            margin-right: 8px;
            font-weight: 800;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            text-decoration: none;
            color: var(--text);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            text-decoration: none;
            color: var(--text);
        }
        .related-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .related-card .related-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
        .related-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .related-date { font-size: 13px; color: var(--text-weak); }

        /* 内容未找到 */
        .content-not-found {
            text-align: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 80px 40px;
            box-shadow: var(--shadow-card);
        }
        .content-not-found h1 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
        .content-not-found p { color: var(--text-secondary); margin-bottom: 28px; }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255,255,255,0.8);
            margin-top: 40px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding: 56px 0 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            text-decoration: none;
            margin-bottom: 16px;
        }
        .footer-logo:hover { color: #fff; }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 280px; }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0; left: 0;
            width: 28px; height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.10);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p { font-size: 14px; color: rgba(255,255,255,0.55); margin: 0; }
        .footer-badges { display: flex; gap: 10px; flex-wrap: wrap; }
        .footer-badges .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.05);
            color: rgba(255,255,255,0.7);
            font-size: 12px;
        }

        /* ============ 模态 ============ */
        .site-modal {
            border-radius: 16px;
            padding: 36px;
            max-width: 480px;
        }
        .site-modal h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .site-modal .modal-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .site-modal label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            display: block;
        }
        .site-modal input, .site-modal select {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 14px;
            font-size: 15px;
            font-family: var(--font-family);
            margin-bottom: 18px;
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
        }
        .site-modal input:focus, .site-modal select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14,110,107,0.15);
            outline: none;
        }
        .site-modal .privacy-note {
            font-size: 12px;
            color: var(--text-weak);
            background: #FDF3E4;
            border-radius: 6px;
            padding: 12px;
            margin-top: 16px;
            line-height: 1.6;
        }
        .site-modal .close-button { font-size: 28px; color: var(--text-weak); }

        /* ============ 响应式 ============ */
        @media (max-width: 1023px) {
            .site-nav {
                position: fixed;
                top: 0; right: -100%;
                width: 300px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 80px 32px 32px;
                transition: right .3s ease;
                box-shadow: -8px 0 32px rgba(0,0,0,0.15);
                z-index: 200;
            }
            .site-nav.open { right: 0; }
            .site-nav .nav-link {
                width: 100%;
                font-size: 16px;
                line-height: 48px;
                color: var(--text);
                border-bottom: 1px solid var(--border);
            }
            .site-nav .nav-link:hover { color: var(--primary); }
            .site-nav .nav-link.active { color: var(--primary); }
            .site-nav .nav-link.active::after { display: none; }
            .nav-toggle { display: flex; }
            .header-actions .btn-nav { display: none; }
            .footer-top { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 767px) {
            .grid-container { padding: 0 16px; }
            .article-card { padding: 24px 16px; }
            .related-grid { grid-template-columns: 1fr; }
            .related-card img { height: 180px; }
            .footer-top { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-pagination { flex-direction: column; align-items: stretch; }
            .article-prev, .article-next { justify-content: center; }
            .breadcrumb-section { padding-top: 84px; }
        }

        @media (max-width: 520px) {
            .site-logo { font-size: 17px; }
            .logo-mark { width: 30px; height: 30px; }
            .article-header h1 { font-size: 28px; }
            .article-meta { gap: 8px; font-size: 13px; }
            .article-content { font-size: 16px; }
            .article-content h2 { font-size: 22px; }
            .related-posts-header h2 { font-size: 22px; }
            .footer-top { padding: 40px 0 24px; }
        }

/* roulang page: category1 */
:root {
  --primary: #0E6E6B;
  --primary-dark: #0A4D4B;
  --primary-deep: #052F2D;
  --primary-ink: #071F1C;
  --primary-light: #E4F1EF;
  --accent: #F2A03D;
  --green: #1E9E62;
  --bg: #F6F5F0;
  --card-bg: #FFFFFF;
  --border: #E2E8E6;
  --text-main: #152725;
  --text-sub: #4C5C58;
  --text-weak: #7B8B87;
  --error: #D64545;
  --radius-card: 14px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 6px rgba(5,47,45,.05);
  --shadow-hover: 0 12px 28px rgba(5,47,45,.12);
  --shadow-nav: 0 6px 20px rgba(5,47,45,.08);
  --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-number: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease-out; }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.grid-container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.grid-container.full { max-width: 100%; padding: 0; }

.site-section { padding: 72px 0; }
.site-section-sm { padding: 48px 0; }

.section-head {
  margin-bottom: 48px;
}
.section-head .section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--text-main);
}
.section-head h2 .sec-num {
  color: var(--accent);
  font-family: var(--font-number);
  font-weight: 700;
  margin-right: 8px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 680px;
  line-height: 1.8;
}
.section-head.center { text-align: center; }
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: none;
  transition: all .2s ease-out;
  cursor: pointer;
  text-decoration: none;
  gap: 8px;
}
.btn-primary {
  background: var(--accent);
  color: #1A2E2B;
}
.btn-primary:hover {
  background: #f7ad5c;
  color: #1A2E2B;
  transform: translate(-1px, -1px);
  box-shadow: 0 6px 18px rgba(242,160,61,.3);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
}
.btn-dark:hover {
  background: var(--primary-dark);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: #fff;
}
.btn-outline-dark {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.btn-block { width: 100%; }
.btn-lg { height: 54px; padding: 0 40px; font-size: 16px; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.14);
  transition: background .3s ease-out, box-shadow .3s ease-out, border-color .3s ease-out;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.96);
  box-shadow: var(--shadow-nav);
  border-bottom-color: transparent;
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color .3s ease-out;
}
.site-logo .logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, #ffc26e 100%);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(242,160,61,.4);
}
.site-logo .logo-mark::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--primary-deep);
  border: 2px solid rgba(255,255,255,.8);
}
.site-header.scrolled .site-logo { color: var(--text-main); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: color .2s ease-out;
  white-space: nowrap;
}
.site-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transition: width .25s ease-out;
}
.site-nav .nav-link:hover { color: #fff; }
.site-nav .nav-link:hover::after { width: 100%; }
.site-nav .nav-link.active { color: var(--accent); font-weight: 700; }
.site-nav .nav-link.active::after { width: 100%; background: var(--accent); }
.site-header.scrolled .site-nav .nav-link { color: var(--text-sub); }
.site-header.scrolled .site-nav .nav-link:hover { color: var(--primary); }
.site-header.scrolled .site-nav .nav-link.active { color: var(--primary); }
.site-header .header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background .2s ease-out;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s ease-out, opacity .2s ease-out, background .3s ease-out;
}
.site-header.scrolled .nav-toggle span { background: var(--text-main); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.site-guide-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(5,47,45,.78), rgba(5,47,45,.55)), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  padding: 140px 0 72px;
  position: relative;
  overflow: hidden;
}
.site-guide-hero .hero-inner {
  max-width: 900px;
}
.site-guide-hero .hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.site-guide-hero .hero-pill svg { width: 14px; height: 14px; }
.site-guide-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.site-guide-hero p.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.85);
  max-width: 660px;
  margin-bottom: 32px;
}

/* ===== Anchor Nav ===== */
.anchor-nav {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(5,47,45,.04);
}
.anchor-nav .anchor-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 0 20px;
  max-width: 1280px;
  margin: 0 auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.anchor-nav .anchor-inner::-webkit-scrollbar { display: none; }
.anchor-nav a {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s ease-out, border-color .2s ease-out;
  position: relative;
}
.anchor-nav a:hover { color: var(--primary); }
.anchor-nav a.active-anchor { color: var(--primary); border-bottom-color: var(--accent); }

/* ===== Timeline ===== */
.timeline-wrap {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
.timeline-col { flex: 0 0 62%; }
.timeline-media { flex: 1; }
.timeline-media .media-card {
  position: sticky;
  top: 140px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  background: #fff;
}
.timeline-media .media-card img { width: 100%; height: 360px; object-fit: cover; }
.timeline-media .media-card .media-caption {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-sub);
  background: #fff;
}
.timeline-list { list-style: none; }
.timeline-item {
  display: flex;
  gap: 20px;
  padding-bottom: 36px;
  position: relative;
}
.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--primary-light);
  border-radius: 2px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-number);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(14,110,107,.12);
}
.timeline-content {
  padding-top: 6px;
}
.timeline-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}
.timeline-content p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-sub);
}

/* ===== Notice Cards ===== */
.notice-grid {
  display: flex;
  flex-wrap: wrap;
  margin: -12px;
}
.notice-card {
  flex: 0 0 calc(50% - 24px);
  margin: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 30px;
  transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.notice-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.notice-card .notice-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.notice-card .notice-icon svg { width: 24px; height: 24px; stroke: var(--primary); }
.notice-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.notice-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.notice-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 5px;
}
.notice-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s ease-out, box-shadow .2s ease-out;
}
.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(14,110,107,.08);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  user-select: none;
}
.faq-question h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .25s ease-out, background .2s ease-out;
}
.faq-icon svg { width: 14px; height: 14px; stroke: var(--primary); stroke-width: 2.5; }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); }
.faq-item.active .faq-icon svg { stroke: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease-out;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
}

/* ===== CTA ===== */
.site-cta {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-ink) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.site-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  opacity: .08;
  pointer-events: none;
}
.site-cta .cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.site-cta .cta-text h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 12px;
}
.site-cta .cta-text p {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  max-width: 540px;
  line-height: 1.8;
}
.site-cta .cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.75);
  padding-top: 56px;
  font-size: 14px;
}
.site-footer .footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.site-footer .footer-brand {
  flex: 1 1 260px;
  max-width: 320px;
}
.site-footer .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  margin-bottom: 16px;
}
.site-footer .footer-logo .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent) 0%, #ffc26e 100%);
  position: relative;
  flex-shrink: 0;
}
.site-footer .footer-logo .logo-mark::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 6px;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: var(--primary-deep);
  border: 2px solid rgba(255,255,255,.8);
}
.site-footer .footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.65);
}
.site-footer .footer-col { flex: 1 1 180px; min-width: 140px; }
.site-footer .footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.site-footer .footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer .footer-col ul li { margin-bottom: 10px; }
.site-footer .footer-col ul a {
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: 14px;
  transition: color .2s ease-out;
}
.site-footer .footer-col ul a:hover { color: var(--accent); }
.site-footer .footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
}
.site-footer .footer-contact svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  flex-shrink: 0;
}
.site-footer .footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  flex-wrap: wrap;
}
.site-footer .footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.site-footer .footer-badges { display: flex; gap: 8px; }
.site-footer .badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: rgba(255,255,255,.65);
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.04);
}

/* ===== Modal ===== */
.site-modal.reveal {
  border-radius: 16px;
  border: none;
  padding: 36px;
  max-width: 480px;
  box-shadow: 0 24px 60px rgba(5,47,45,.25);
  outline: none;
}
.site-modal.reveal .close-button {
  width: 40px;
  height: 40px;
  right: 12px;
  top: 12px;
  border-radius: 8px;
  font-size: 24px;
  color: var(--text-weak);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease-out, color .2s ease-out;
  background: transparent;
  border: none;
}
.site-modal.reveal .close-button:hover { background: var(--bg); color: var(--text-main); }
.site-modal h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 24px;
}
.site-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
}
.site-form input,
.site-form select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text-main);
  background: #fff;
  margin-top: 6px;
  transition: border-color .2s ease-out, box-shadow .2s ease-out;
  appearance: none;
  -webkit-appearance: none;
  background-image: none;
}
.site-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%237B8B87' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.site-form input:focus,
.site-form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,110,107,.15);
}
.site-form .form-privacy {
  margin-top: 16px;
  padding: 12px;
  background: #FFF8EC;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  border: 1px solid #F5E6C8;
}
.site-form .form-privacy a { color: var(--primary); text-decoration: underline; }
.site-form .btn { margin-top: 12px; }
.site-form .btn-submit {
  width: 100%;
  height: 48px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .2s ease-out, transform .15s ease-out;
  margin-top: 8px;
}
.site-form .btn-submit:hover { background: var(--primary-dark); }
.site-form .btn-submit:active { transform: translateY(1px); }

/* ===== Responsive ===== */
@media (max-width: 1023.98px) {
  .site-nav {
    position: fixed;
    top: 72px;
    right: -280px;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    padding: 32px 24px;
    gap: 8px;
    box-shadow: -8px 0 24px rgba(5,47,45,.08);
    transition: right .3s ease-out;
    z-index: 99;
    border-radius: 16px 0 0 16px;
  }
  .site-nav.open { right: 0; }
  .site-nav .nav-link {
    color: var(--text-main);
    display: block;
    width: 100%;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
  }
  .site-nav .nav-link:hover { color: var(--primary); }
  .site-nav .nav-link.active { color: var(--primary); }
  .site-nav .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .site-header.scrolled .site-nav .nav-link { color: var(--text-main); }
  .site-header.scrolled .site-nav .nav-link.active { color: var(--primary); }
  .site-guide-hero h1 { font-size: 34px; }
  .timeline-wrap { flex-direction: column; }
  .timeline-col { flex: 1 1 100%; }
  .timeline-media { flex: 1 1 100%; }
  .timeline-media .media-card { position: static; }
  .site-cta .cta-inner { flex-direction: column; align-items: flex-start; }
  .site-cta .cta-actions { flex-wrap: wrap; }
}
@media (max-width: 767.98px) {
  .site-section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .notice-card { flex: 0 0 calc(100% - 24px); }
  .site-guide-hero { padding: 130px 0 56px; }
  .site-guide-hero h1 { font-size: 30px; line-height: 1.35; }
  .site-guide-hero p.hero-sub { font-size: 15px; }
  .timeline-content h3 { font-size: 18px; }
  .site-cta { padding: 56px 0; }
  .site-cta .cta-text h2 { font-size: 26px; }
  .site-footer .footer-top { gap: 32px; }
  .site-footer .footer-bottom { flex-direction: column; text-align: center; }
  .site-modal.reveal { padding: 28px 24px; }
  .anchor-nav a { height: 46px; padding: 0 14px; font-size: 14px; }
}
@media (max-width: 519.98px) {
  body { font-size: 15px; }
  .site-header .header-inner { gap: 8px; }
  .site-logo { font-size: 17px; }
  .site-logo .logo-mark { width: 26px; height: 26px; }
  .site-logo .logo-mark::after { top: 6px; left: 6px; width: 14px; height: 14px; }
  .site-header .btn-nav { display: none; }
  .site-guide-hero h1 { font-size: 27px; }
  .notice-card { padding: 24px 20px; }
  .site-cta .cta-actions .btn { width: 100%; }
  .btn-lg { width: 100%; padding: 0 20px; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* roulang page: category2 */
/* ===== CSS Variables & Reset ===== */
        :root {
            --primary: #0E6E6B;
            --primary-dark: #0A4D4B;
            --primary-deeper: #052F2D;
            --primary-bg: #E4F1EF;
            --accent: #F2A03D;
            --accent-hover: #FFB35C;
            --success: #1E9E62;
            --body-bg: #F6F5F0;
            --card-bg: #FFFFFF;
            --border: #E2E8E6;
            --text-main: #152725;
            --text-sub: #4C5C58;
            --text-weak: #7B8B87;
            --error: #D64545;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 2px 6px rgba(5,47,45,.05);
            --shadow-hover: 0 12px 28px rgba(5,47,45,.12);
            --shadow-nav: 0 6px 20px rgba(5,47,45,.08);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            --transition: .25s ease-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            background-color: var(--body-bg);
            color: var(--text-main);
            min-width: 320px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        ul,
        ol {
            list-style-position: inside;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1280px;
        }

        .section-padding {
            padding: 80px 0;
        }

        @media screen and (max-width: 639px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #1A2E2B;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #1A2E2B;
            transform: translate(-1px, -1px);
            box-shadow: 0 6px 16px rgba(242,160,61,.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary-dark {
            background: transparent;
            border: 1px solid rgba(255,255,255,.6);
            color: #fff;
        }

        .btn-secondary-dark:hover {
            background: rgba(255,255,255,.1);
            border-color: rgba(255,255,255,.9);
            color: #fff;
        }

        .btn-secondary-light {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-secondary-light:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .btn-nav {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ===== Badge & Tag ===== */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-bg);
            color: var(--primary);
            line-height: 1.6;
        }

        .badge-hero {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.2);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .badge-footer {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            background: rgba(255,255,255,.08);
            color: rgba(255,255,255,.75);
            border: 1px solid rgba(255,255,255,.12);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            z-index: 100;
            background: rgba(255,255,255,.06);
            backdrop-filter: blur(14px) saturate(140%);
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255,255,255,.14);
            transition: all .3s ease;
        }

        .site-header.scrolled {
            position: fixed;
            background: rgba(255,255,255,.96);
            box-shadow: var(--shadow-nav);
            border-bottom-color: transparent;
        }

        .site-header.scrolled .logo-text,
        .site-header.scrolled .nav-link {
            color: var(--text-main);
        }

        .site-header.scrolled .logo-mark {
            border-color: var(--primary);
            background: rgba(14,110,107,.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            white-space: nowrap;
            transition: color .3s ease;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            border: 2px solid rgba(255,255,255,.7);
            background: rgba(255,255,255,.1);
            position: relative;
            flex-shrink: 0;
            transition: all .3s ease;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            inset: 6px;
            border-radius: 4px;
            background: linear-gradient(135deg, var(--accent), #fff);
            opacity: .85;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255,255,255,.9);
            position: relative;
            padding: 6px 2px;
            transition: color .25s;
        }

        .nav-link:hover {
            color: var(--accent);
        }

        .nav-link.active {
            color: #fff;
            font-weight: 700;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 2;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(5,47,45,.5);
            backdrop-filter: blur(2px);
            z-index: 99;
            opacity: 0;
            transition: opacity .3s;
        }

        .drawer-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--primary-deeper);
            z-index: 101;
            padding: 90px 30px 30px;
            flex-direction: column;
            gap: 8px;
            transition: right .35s ease;
            box-shadow: -8px 0 30px rgba(0,0,0,.2);
            overflow-y: auto;
        }

        .drawer-menu.open {
            right: 0;
        }

        .drawer-menu .nav-link {
            color: #fff;
            font-size: 16px;
            line-height: 48px;
            border-bottom: 1px solid rgba(255,255,255,.08);
            display: block;
        }

        .drawer-menu .nav-link.active {
            color: var(--accent);
        }

        .drawer-menu .btn {
            margin-top: 24px;
            width: 100%;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        @media screen and (max-width: 1023px) {
            .site-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn-nav {
                display: none;
            }

            .drawer-menu {
                display: flex;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deeper);
            color: rgba(255,255,255,.8);
            padding-top: 56px;
            position: relative;
            overflow: hidden;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .04;
            pointer-events: none;
        }

        .site-footer .grid-container {
            position: relative;
            z-index: 1;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo .logo-mark {
            border-color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255,255,255,.65);
            max-width: 320px;
            margin-top: 12px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,.7);
            font-size: 14px;
            transition: color .25s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255,255,255,.7);
            line-height: 1.6;
        }

        .footer-contact svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            opacity: .8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 14px;
            color: rgba(255,255,255,.6);
        }

        .footer-badges {
            display: flex;
            gap: 10px;
        }

        @media screen and (max-width: 1023px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 639px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ===== Category2 Hero (浅色简约头) ===== */
        .cat2-hero {
            padding: 160px 0 80px;
            background: var(--body-bg);
            position: relative;
            overflow: hidden;
        }

        .cat2-hero .hero-geo {
            position: absolute;
            right: -60px;
            top: 60px;
            width: 280px;
            height: 280px;
            background: var(--primary);
            opacity: .06;
            border-radius: 50%;
            z-index: 0;
        }

        .cat2-hero .hero-geo-2 {
            position: absolute;
            right: 120px;
            bottom: 30px;
            width: 80px;
            height: 6px;
            background: var(--accent);
            opacity: .4;
            border-radius: 4px;
            z-index: 0;
        }

        .cat2-hero .hero-geo-3 {
            position: absolute;
            left: -40px;
            top: 180px;
            width: 100px;
            height: 100px;
            border: 2px solid var(--primary);
            opacity: .08;
            border-radius: 20px;
            transform: rotate(30deg);
            z-index: 0;
        }

        .cat2-hero .grid-container {
            position: relative;
            z-index: 1;
        }

        .cat2-hero .badge-tag {
            margin-bottom: 24px;
            display: inline-flex;
        }

        .cat2-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-main);
            max-width: 760px;
        }

        .cat2-hero .hero-sub {
            font-size: 17px;
            color: var(--text-sub);
            margin-top: 20px;
            max-width: 640px;
            line-height: 1.8;
        }

        @media screen and (max-width: 639px) {
            .cat2-hero {
                padding: 130px 0 48px;
            }

            .cat2-hero h1 {
                font-size: 34px;
            }
        }

        /* ===== Info Bar 三列分割 ===== */
        .info-bar-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 1;
        }

        .info-bar-inner {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            background: #fff;
        }

        .info-item {
            padding: 40px 36px;
            text-align: left;
            border-left: 1px solid var(--border);
            position: relative;
        }

        .info-item:first-child {
            border-left: none;
        }

        .info-item::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 36px;
            right: 36px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            opacity: .15;
            transition: opacity .3s;
        }

        .info-item:hover::after {
            opacity: .8;
        }

        .info-item .info-num {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            display: inline-block;
            margin-bottom: 8px;
        }

        .info-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .info-item p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        @media screen and (max-width: 1023px) {
            .info-bar-inner {
                grid-template-columns: 1fr;
            }

            .info-item {
                border-left: none;
                border-bottom: 1px solid var(--border);
                padding: 28px 24px;
            }

            .info-item:last-child {
                border-bottom: none;
            }
        }

        /* ===== Content Area 左右分栏 ===== */
        .cat2-content {
            padding: 88px 0;
        }

        .cat2-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 60px;
        }

        .cat2-sticky {
            position: sticky;
            top: 100px;
            align-self: flex-start;
        }

        .cat2-sticky h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            writing-mode: vertical-rl;
            text-align: left;
            letter-spacing: .2em;
            padding-left: 16px;
            border-left: 3px solid var(--accent);
            min-height: 200px;
        }

        .cat2-sticky .sticky-note {
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cat2-main {
            max-width: 760px;
        }

        .cat2-block {
            margin-bottom: 56px;
        }

        .cat2-block:last-child {
            margin-bottom: 0;
        }

        .cat2-block h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .cat2-block h3 .block-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 15px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .cat2-block p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 16px;
        }

        .cat2-list {
            list-style: none;
            margin: 16px 0;
        }

        .cat2-list li {
            padding: 10px 0 10px 24px;
            position: relative;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-sub);
            border-bottom: 1px solid rgba(226,232,230,.6);
        }

        .cat2-list li:last-child {
            border-bottom: none;
        }

        .cat2-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 18px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .cat2-tip {
            background: var(--primary-bg);
            border-left: 3px solid var(--primary);
            border-radius: 0 8px 8px 0;
            padding: 18px 20px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--primary-dark);
            margin: 20px 0;
        }

        .cat2-tip strong {
            font-weight: 700;
        }

        @media screen and (max-width: 1023px) {
            .cat2-layout {
                grid-template-columns: 1fr;
            }

            .cat2-sticky {
                position: static;
                margin-bottom: 20px;
            }

            .cat2-sticky h2 {
                writing-mode: horizontal-tb;
                border-left: none;
                padding-left: 0;
                border-left: none;
                text-align: left;
                min-height: auto;
                border-bottom: 3px solid var(--accent);
                padding-bottom: 12px;
                display: inline-block;
            }

            .cat2-sticky h2::after {
                display: none;
            }
        }

        /* ===== Sample Cards 示例区 ===== */
        .cat2-sample {
            background: var(--primary-bg);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cat2-sample::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: .04;
            pointer-events: none;
        }

        .cat2-sample .grid-container {
            position: relative;
            z-index: 1;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }

        .section-head .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 420px;
        }

        .sample-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .sample-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .sample-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .sample-card .sample-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .sample-card .sample-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .sample-card:hover .sample-img img {
            transform: scale(1.04);
        }

        .sample-card .sample-img .sample-num {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(5,47,45,.85);
            backdrop-filter: blur(4px);
            color: #fff;
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            width: 52px;
            height: 52px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }

        .sample-card .sample-body {
            padding: 28px;
        }

        .sample-card .sample-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .sample-card .sample-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        @media screen and (max-width: 639px) {
            .sample-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 32px;
            }
        }

        /* ===== 相关条目 行式列表 ===== */
        .link-list-section {
            padding: 80px 0;
        }

        .link-list {
            list-style: none;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .link-list li {
            border-bottom: 1px solid var(--border);
            transition: background .2s ease;
            position: relative;
        }

        .link-list li:last-child {
            border-bottom: none;
        }

        .link-list li:hover {
            background: var(--primary-bg);
        }

        .link-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            gap: 16px;
        }

        .link-list a .arrow {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            transition: all .25s;
            flex-shrink: 0;
        }

        .link-list a:hover .arrow {
            background: var(--primary);
            color: #fff;
        }

        .link-list .link-tag {
            font-size: 13px;
            color: var(--text-weak);
            margin-right: 12px;
            flex-shrink: 0;
        }

        @media screen and (max-width: 639px) {
            .link-list a {
                flex-wrap: wrap;
                padding: 16px 16px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .08;
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            z-index: 1;
            max-width: 1080px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            color: #fff;
            max-width: 560px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255,255,255,.75);
            margin-top: 12px;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
        }

        @media screen and (max-width: 1023px) {
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .cta-actions {
                flex-wrap: wrap;
            }
        }

        @media screen and (max-width: 639px) {
            .cta-inner h2 {
                font-size: 26px;
            }

            .cta-actions .btn {
                width: calc(50% - 8px);
                max-width: none;
                padding: 0 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0 88px;
        }

        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(14,110,107,.08);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-main);
            transition: color .2s;
        }

        .faq-q:hover {
            color: var(--primary);
        }

        .faq-q .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-q .faq-icon::before,
        .faq-q .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .faq-q .faq-icon::before {
            width: 16px;
            height: 2px;
            top: 9px;
            left: 2px;
        }

        .faq-q .faq-icon::after {
            width: 2px;
            height: 16px;
            top: 2px;
            left: 9px;
        }

        .faq-item.active .faq-q .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-a {
            display: none;
            padding: 0 20px 16px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
            border-top: 1px solid rgba(226,232,230,.4);
            padding-top: 14px;
        }

        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== Reveal Modal override ===== */
        .reveal {
            border-radius: 14px;
            border: none;
            box-shadow: 0 20px 60px rgba(5,47,45,.2);
            max-width: 480px;
            padding: 36px;
            outline: none;
        }

        .reveal .close-button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--body-bg);
            color: var(--text-sub);
            font-size: 24px;
            line-height: 1;
            transition: all .2s;
            display: flex;
            align-items: center;
            justify-content: center;
            right: 16px;
            top: 16px;
        }

        .reveal .close-button:hover {
            background: var(--error);
            color: #fff;
        }

        .reveal h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .reveal .modal-sub {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 24px;
        }

        .reveal .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: block;
        }

        .reveal input[type="text"],
        .reveal input[type="tel"],
        .reveal select {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 0 14px;
            font-size: 15px;
            margin-bottom: 16px;
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
            appearance: none;
            -webkit-appearance: none;
        }

        .reveal select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230E6E6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
        }

        .reveal input[type="text"]:focus,
        .reveal input[type="tel"]:focus,
        .reveal select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14,110,107,.15);
            outline: none;
        }

        .reveal textarea {
            width: 100%;
            min-height: 80px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 15px;
            margin-bottom: 16px;
            resize: vertical;
            transition: border-color .2s;
            font-family: inherit;
        }

        .reveal textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14,110,107,.15);
            outline: none;
        }

        .reveal .btn {
            width: 100%;
        }

        .privacy-note {
            background: #FDF3E3;
            border-radius: 6px;
            padding: 12px;
            font-size: 12px;
            color: #6B5D40;
            margin-top: 16px;
            line-height: 1.6;
            text-align: left;
        }

        .privacy-note a {
            color: var(--primary);
            text-decoration: underline;
        }

        @media screen and (max-width: 639px) {
            .reveal {
                max-width: 100%;
                bottom: 0;
                border-radius: 20px 20px 0 0;
                margin-bottom: 0;
                width: 100% !important;
            }
        }

        /* ===== Utilities ===== */
        .text-center {
            text-align: center;
        }

        .mt-1 {
            margin-top: 8px;
        }

        .mt-2 {
            margin-top: 16px;
        }

        .mt-3 {
            margin-top: 24px;
        }

        .mb-2 {
            margin-bottom: 16px;
        }

        .mb-3 {
            margin-bottom: 24px;
        }

        .mb-4 {
            margin-bottom: 32px;
        }