/* roulang page: index */
:root{
    --primary:#0F2E26;
    --primary-light:#1D4A3E;
    --accent:#C6A45C;
    --accent-light:#E2CC9B;
    --accent-bg:#F1E6D2;
    --bg-main:#F7F5F0;
    --card-bg:#FFFFFF;
    --dark-bg:#0B1D18;
    --text-main:#17211E;
    --text-secondary:#61706A;
    --border:#E7E2D8;
    --success:#2F7D5E;
    --radius-sm:6px;
    --radius-md:10px;
    --radius-lg:18px;
    --shadow-sm:0 1px 3px rgba(15,46,38,0.05);
    --shadow-hover:0 12px 30px rgba(15,46,38,0.10);
    --transition:cubic-bezier(.2,0,0,1);
    --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font);
    font-size:16px;
    line-height:1.78;
    letter-spacing:.1px;
    color:var(--text-main);
    background:var(--bg-main);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input{font:inherit;border:none;outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-tag{
    display:inline-block;
    font-size:13px;
    font-weight:600;
    letter-spacing:.2px;
    color:var(--accent);
    background:var(--accent-bg);
    padding:4px 14px;
    border-radius:999px;
    text-transform:uppercase;
}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
h2{font-size:clamp(26px,3.6vw,40px);line-height:1.28;letter-spacing:-.3px}
h3{font-size:20px;line-height:1.4}
p{color:var(--text-secondary)}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 28px;
    border-radius:var(--radius-sm);
    font-size:15px;
    font-weight:600;
    letter-spacing:.4px;
    cursor:pointer;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:var(--primary)}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-outline:hover{background:rgba(15,46,38,.08)}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-accent{background:var(--accent);color:var(--primary)}
.btn-accent:hover{background:var(--accent-light)}
.text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--text-main);
    transition:color .2s ease;
}
.text-link:hover{color:var(--accent)}
.text-link::after{content:"→";font-weight:400}
.category-badge{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    letter-spacing:.2px;
    color:#8A6F3C;
    background:var(--accent-bg);
    padding:2px 12px;
    border-radius:999px;
    white-space:nowrap;
}
.section{padding:96px 0}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:40px;
}
.section-head h2{margin-bottom:4px}
.section-head .desc{color:var(--text-secondary);font-size:15px;margin-top:8px}
.reveal{opacity:0;transform:translateY(8px);transition:opacity .55s var(--transition),transform .55s var(--transition)}
.reveal.revealed{opacity:1;transform:none}

/* Header */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:var(--primary);
    border-bottom:1px solid rgba(230,226,216,.12);
    height:72px;
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
}
.brand{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
}
.brand-mark{
    width:38px;
    height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    background:rgba(198,164,92,.14);
    color:var(--accent);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
    font-size:20px;
    font-weight:700;
    letter-spacing:.3px;
    color:#fff;
    white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:36px}
.nav-link{
    position:relative;
    font-size:15px;
    font-weight:600;
    letter-spacing:.2px;
    color:rgba(255,255,255,.82);
    padding:8px 2px;
    transition:color .25s ease;
}
.nav-link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:100%;
    height:2px;
    background:var(--accent);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .3s var(--transition);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.menu-toggle{
    display:none;
    width:44px;
    height:44px;
    background:transparent;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    cursor:pointer;
    border-radius:var(--radius-sm);
}
.menu-toggle .bar{
    width:22px;height:2px;
    background:#fff;
    border-radius:2px;
    transition:transform .3s var(--transition),opacity .3s var(--transition);
}
.menu-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
    display:none;
    position:fixed;
    top:0;left:0;
    width:100%;height:100vh;
    background:var(--primary);
    z-index:99;
    padding:100px 32px 40px;
    flex-direction:column;
}
.mobile-menu.active{display:flex}
.mobile-menu a{
    font-size:28px;
    font-weight:700;
    color:#fff;
    padding:18px 0;
    border-bottom:1px solid rgba(255,255,255,.1);
    transition:color .2s ease;
}
.mobile-menu a:hover{color:var(--accent)}
.mobile-menu .menu-footer{
    margin-top:auto;
    font-size:13px;
    color:rgba(255,255,255,.5);
    line-height:1.6;
}
body.menu-open{overflow:hidden}

/* Hero */
.hero{
    position:relative;
    min-height:calc(100vh - 72px);
    display:flex;
    align-items:center;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
}
.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(11,29,24,.35) 0%,rgba(11,29,24,.55) 55%,rgba(11,29,24,.85) 100%);
}
.hero-inner{
    position:relative;
    z-index:2;
    width:100%;
    max-width:1200px;
    padding-top:80px;
    padding-bottom:120px;
}
.hero-eyebrow{
    color:var(--accent-light);
    font-size:14px;
    font-weight:600;
    letter-spacing:2px;
    margin-bottom:24px;
    text-transform:uppercase;
}
.hero-title-block{
    display:flex;
    align-items:flex-start;
    gap:24px;
}
.hero-rule{
    width:2px;
    height:96px;
    background:var(--accent);
    flex-shrink:0;
    margin-top:8px;
}
.hero-title{
    font-size:clamp(36px,6vw,60px);
    line-height:1.16;
    font-weight:800;
    letter-spacing:-.5px;
    color:#fff;
}
.hero-title-main{font-weight:800}
.hero-title-sub{
    font-weight:600;
    color:rgba(255,255,255,.88);
}
.hero-subtitle{
    margin-top:26px;
    max-width:560px;
    font-size:17px;
    font-weight:600;
    line-height:1.7;
    color:rgba(255,255,255,.92);
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
    margin-top:38px;
}
.hero-metrics{
    position:absolute;
    bottom:0;left:0;right:0;
    z-index:2;
    background:rgba(11,29,24,.55);
    backdrop-filter:blur(6px);
    border-top:1px solid rgba(198,164,92,.25);
}
.hero-metrics-inner{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    min-height:88px;
}
.metric-item{
    display:flex;
    align-items:center;
    gap:16px;
    font-size:15px;
    font-weight:600;
    color:rgba(255,255,255,.9);
    padding:20px 8px;
}
.metric-item .metric-dot{
    width:8px;height:8px;
    border-radius:50%;
    background:var(--accent);
    flex-shrink:0;
}
.metric-item+.metric-item{border-left:1px solid rgba(255,255,255,.12)}

/* About */
.about-section{
    background:var(--bg-main);
    padding:96px 0;
}
.about-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:64px;
    align-items:center;
}
.about-image{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
}
.about-image img{
    width:100%;
    height:420px;
    object-fit:cover;
}
.about-image::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(120deg,transparent 60%,rgba(15,46,38,.25));
}
.about-content h2{margin-top:16px;margin-bottom:24px;font-size:clamp(26px,3.6vw,40px);line-height:1.3}
.about-content p{
    font-size:16px;
    line-height:1.8;
    margin-bottom:20px;
    color:var(--text-secondary);
}
.about-badges{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
}
.feature-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:var(--primary);
    background:var(--card-bg);
    border:1px solid rgba(15,46,38,.14);
    border-radius:999px;
    padding:8px 18px;
    box-shadow:var(--shadow-sm);
}
.feature-badge::before{
    content:"";
    width:6px;height:6px;
    border-radius:50%;
    background:var(--accent);
}

/* Featured */
.featured-section{
    background:#fff;
    padding:96px 0;
}
.featured-grid{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:24px;
    align-items:stretch;
}
.featured-stack{
    display:flex;
    flex-direction:column;
    gap:24px;
}
.featured-card{
    background:var(--card-bg);
    border-radius:var(--radius-md);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    border:1px solid var(--border);
    transition:transform .3s var(--transition),box-shadow .3s var(--transition);
    position:relative;
}
.featured-card::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:2px;
    background:var(--accent);
    z-index:3;
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .3s var(--transition);
}
.featured-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
}
.featured-card:hover::before{transform:scaleX(1)}
.card-cover{position:relative;overflow:hidden;background:var(--border)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.featured-card:hover .card-cover img{transform:scale(1.02)}
.featured-card--large .card-cover{height:340px}
.featured-card--small .card-cover{height:170px}
.featured-flag{
    position:absolute;
    top:16px;left:16px;
    background:var(--accent);
    color:var(--primary);
    font-size:12px;
    font-weight:700;
    letter-spacing:.5px;
    padding:5px 14px;
    border-radius:999px;
    z-index:2;
    box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.card-body{padding:24px}
.card-body .category-badge{margin-bottom:10px;display:inline-block}
.card-title{
    font-size:18px;
    font-weight:700;
    line-height:1.45;
    margin-bottom:10px;
}
.featured-card--large .card-title{font-size:24px}
.card-title a{
    display:inline;
    transition:color .2s ease;
}
.card-title a:hover{color:var(--accent)}
.card-excerpt{
    font-size:14px;
    line-height:1.7;
    color:var(--text-secondary);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:14px;
}
.card-date{
    font-size:13px;
    color:var(--text-secondary);
    display:flex;
    align-items:center;
    gap:6px;
}
.card-date::before{
    content:"";
    width:13px;height:13px;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2361706A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
    background-size:contain;
    background-repeat:no-repeat;
}

/* News section */
.news-section{
    padding:96px 0;
    background:var(--bg-main);
}
.news-grid{
    display:grid;
    grid-template-columns:.8fr 1.2fr;
    gap:64px;
}
.news-intro h2{margin-top:16px;margin-bottom:20px}
.news-intro p{
    font-size:15px;
    line-height:1.8;
    color:var(--text-secondary);
    margin-bottom:28px;
}
.news-list{
    border-top:2px solid var(--primary);
}
.news-item{
    padding:24px 0;
    border-bottom:1px solid var(--border);
    transition:padding-left .25s ease;
}
.news-item:hover{padding-left:12px}
.news-meta{
    display:flex;
    align-items:center;
    gap:16px;
    margin-bottom:10px;
}
.news-date{
    font-size:13px;
    color:var(--text-secondary);
}
.news-title{
    font-size:17px;
    font-weight:700;
    line-height:1.5;
    margin-bottom:8px;
}
.news-title a{transition:color .2s ease}
.news-title a:hover{color:var(--accent)}
.news-summary{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.65;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}

/* Empty state */
.empty-card{
    padding:60px 24px;
    text-align:center;
    background:rgba(15,46,38,.04);
    border:1px dashed rgba(15,46,38,.2);
    border-radius:var(--radius-md);
}
.empty-icon{
    display:block;
    font-size:38px;
    color:var(--accent);
    margin-bottom:12px;
    line-height:1;
}
.empty-card p{font-size:15px;color:var(--text-secondary);margin-bottom:20px}
.empty-card .btn{min-width:140px}

/* Subscribe */
.subscribe-section{
    background:var(--dark-bg);
    position:relative;
    overflow:hidden;
    padding:80px 0;
}
.subscribe-section::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-3.png');
    background-size:cover;
    background-position:center;
    opacity:.12;
}
.subscribe-inner{
    position:relative;
    z-index:2;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:48px;
    flex-wrap:wrap;
}
.subscribe-content h2{
    color:#fff;
    font-size:clamp(24px,3vw,34px);
    margin-bottom:12px;
}
.subscribe-content p{color:rgba(255,255,255,.7);font-size:15px}
.subscribe-form{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    flex:1;
    max-width:520px;
    min-width:280px;
}
.subscribe-form input{
    flex:1;
    min-width:220px;
    height:48px;
    padding:0 18px;
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.3);
    color:#fff;
    font-size:15px;
    transition:border-color .2s ease,background-color .2s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.55)}
.subscribe-form input:focus{border-color:var(--accent);background:rgba(255,255,255,.18)}
.subscribe-success{
    display:none;
    width:100%;
    color:#B8E6CD;
    font-size:14px;
    margin-top:8px;
    text-align:left;
}

/* FAQ */
.faq-section{padding:96px 0;background:#fff}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
    border-bottom:1px solid var(--border);
    padding:6px 0;
}
.faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    cursor:pointer;
    font-size:17px;
    font-weight:600;
    color:var(--text-main);
    padding:22px 4px;
    list-style:none;
    transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-item summary::after{
    content:"+";
    font-size:24px;
    font-weight:400;
    color:var(--accent);
    transition:transform .3s var(--transition);
    flex-shrink:0;
    line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{
    padding:0 4px 24px;
    font-size:15px;
    line-height:1.75;
    color:var(--text-secondary);
}

/* Footer */
.site-footer{
    background:var(--dark-bg);
    color:rgba(255,255,255,.8);
    padding:64px 0 0;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.2fr 1fr 1fr;
    gap:48px;
    padding-bottom:48px;
}
.footer-brand .footer-logo{
    font-size:20px;
    font-weight:700;
    color:#fff;
    letter-spacing:.3px;
}
.footer-brand p{
    font-size:14px;
    color:rgba(255,255,255,.6);
    line-height:1.75;
    margin-top:14px;
    max-width:320px;
}
.footer-nav h4,.footer-contact h4{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:20px;
    letter-spacing:.3px;
}
.footer-nav ul li{margin-bottom:12px}
.footer-nav ul li a{
    font-size:14px;
    color:rgba(255,255,255,.65);
    transition:color .2s ease,padding-left .2s ease;
}
.footer-nav ul li a:hover{color:var(--accent);padding-left:4px}
.footer-contact p{
    font-size:14px;
    color:rgba(255,255,255,.6);
    line-height:1.75;
    max-width:260px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:22px 0;
    text-align:center;
}
.footer-bottom p{
    font-size:13px;
    color:rgba(255,255,255,.45);
}

/* Media queries */
@media (max-width:1023px){
    .about-grid{grid-template-columns:1fr;gap:40px}
    .about-image img{height:340px}
    .news-grid{grid-template-columns:1fr;gap:40px}
    .featured-grid{grid-template-columns:1fr 1fr}
    .featured-stack{flex-direction:row}
    .featured-stack .featured-card{flex:1}
    .featured-card--large .card-cover{height:280px}
    .subscribe-inner{flex-direction:column;align-items:flex-start}
    .subscribe-form{max-width:100%}
}
@media (max-width:767px){
    .site-header{height:58px}
    .header-inner{height:58px}
    .main-nav{display:none}
    .menu-toggle{display:flex}
    .section{padding:56px 0}
    .about-section{padding:56px 0}
    .featured-section{padding:56px 0}
    .news-section{padding:56px 0}
    .faq-section{padding:56px 0}
    .hero{min-height:calc(100vh - 58px)}
    .hero-inner{padding-top:50px;padding-bottom:110px}
    .hero-metrics-inner{grid-template-columns:1fr;min-height:auto;padding:16px 0}
    .metric-item{border-left:none!important;padding:8px 0;justify-content:center}
    .featured-grid{grid-template-columns:1fr}
    .featured-stack{flex-direction:column}
    .featured-card--large .card-cover{height:220px}
    .featured-card--small .card-cover{height:200px}
    .news-grid{gap:32px}
    .section-head{flex-direction:column;align-items:flex-start;gap:16px}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .hero-title-block{gap:16px}
    .hero-rule{height:76px}
    .hero-subtitle{font-size:15px}
    .btn{min-height:44px;padding:0 22px}
    .subscribe-form .btn{width:100%}
    .subscribe-form input{min-width:100%}
    .about-image img{height:260px}
    .faq-item summary{font-size:15px;padding:18px 4px}
    .empty-card{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none!important;animation:none!important}
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root {
    --primary: #0F2E26;
    --primary-light: #1D4A3E;
    --accent: #C6A45C;
    --accent-light: #E2CC9B;
    --bg: #F7F5F0;
    --surface: #FFFFFF;
    --dark-bg: #0B1D18;
    --text-main: #17211E;
    --text-secondary: #61706A;
    --border: #E7E2D8;
    --success: #2F7D5E;
    --radius-card: 10px;
    --radius-soft: 18px;
    --radius-btn: 6px;
    --shadow-card: 0 1px 3px rgba(15, 46, 38, 0.05);
    --shadow-hover: 0 12px 30px rgba(15, 46, 38, 0.10);
    --container-w: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.78;
    letter-spacing: 0.1px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}

button,
input {
    font-family: inherit;
    font-size: inherit;
}

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

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-ghost:hover {
    background: rgba(15, 46, 38, 0.08);
}

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

.btn-accent:hover {
    background: var(--accent-light);
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.btn-text:hover {
    color: var(--accent);
}

/* ===== 导航 ===== */
.site-header {
    background: var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(231, 226, 216, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    line-height: 1;
}

.brand-name {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

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

.main-nav .nav-link {
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.2px;
    padding: 8px 2px;
    position: relative;
    transition: color 0.3s;
}

.main-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s;
}

.main-nav .nav-link:hover {
    color: #fff;
}

.main-nav .nav-link:hover::after {
    transform: scaleX(1);
}

.main-nav .nav-link.active {
    color: #fff;
}

.main-nav .nav-link.active::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 面包屑 ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.breadcrumb .sep {
    color: var(--border);
}

.breadcrumb .current {
    color: var(--text-main);
    font-weight: 500;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== 文章头区 ===== */
.article-hero {
    padding: 56px 0 32px;
    background: var(--bg);
}

.article-title-block {
    margin-bottom: 16px;
}

.article-title-block h1 {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.5px;
    border-left: 4px solid var(--accent);
    padding-left: 20px;
    color: var(--text-main);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.meta-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-date::before {
    content: "🕒";
    font-size: 14px;
}

.badge {
    display: inline-block;
    background: #F1E6D2;
    color: #8A6F3C;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 999px;
    letter-spacing: 0.2px;
}

.meta-read::before {
    content: "📖 ";
    font-size: 13px;
}

/* ===== 正文区 ===== */
.post-section {
    background: var(--bg);
    padding: 8px 0 24px;
}

.post-content-wrap {
    max-width: 860px;
    margin: 0 auto;
}

.post-content {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 48px 56px;
    border: 1px solid var(--border);
}

.post-content p {
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-main);
}

.post-content h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    margin: 40px 0 16px;
    color: var(--primary);
}

.post-content h3 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
    margin: 32px 0 12px;
    color: var(--primary);
}

.post-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--text-main);
}

.post-content ul,
.post-content ol {
    margin: 0 0 24px 20px;
    color: var(--text-main);
}

.post-content li {
    margin-bottom: 6px;
}

.post-content blockquote {
    border-left: 3px solid var(--accent);
    background: #F1E6D2;
    padding: 16px 20px;
    border-radius: 0 6px 6px 0;
    margin: 24px 0;
    color: var(--text-main);
}

.post-content img {
    max-width: 100%;
    border-radius: var(--radius-card);
    display: block;
    margin: 24px auto;
    box-shadow: var(--shadow-card);
}

.post-content figcaption {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: -12px;
    margin-bottom: 24px;
}

.post-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-content a:hover {
    color: var(--accent);
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.post-content th,
.post-content td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    text-align: left;
}

.post-content th {
    background: var(--bg);
    font-weight: 600;
}

/* ===== 品牌署名 ===== */
.post-brand-line {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 32px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.post-brand-line .line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.post-brand-line p {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    margin: 0;
}

/* ===== 未找到 ===== */
.not-found {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 64px 24px;
    text-align: center;
    border: 1px solid var(--border);
}

.not-found p {
    font-size: 18px;
    color: var(--text-main);
    margin-bottom: 20px;
}

/* ===== 相关推荐 ===== */
.related-section {
    padding: 56px 0 48px;
    background: var(--bg);
}

.section-head {
    margin-bottom: 28px;
}

.section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    position: relative;
    padding-bottom: 12px;
}

.section-head h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.related-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.related-card {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.related-card a {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.related-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .related-thumb img {
    transform: scale(1.03);
}

.related-body {
    padding: 20px 22px;
}

.related-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
    line-height: 1.4;
}

.related-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.back-link {
    text-align: center;
    margin-top: 8px;
}

/* ===== 订阅 CTA ===== */
.cta-subscribe {
    background: var(--primary);
    padding: 56px 0;
    margin-top: 24px;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-text h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.cta-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cta-form input {
    width: 300px;
    height: 46px;
    padding: 0 18px;
    border-radius: var(--radius-btn);
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.22);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--dark-bg);
    padding-top: 56px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .footer-logo {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
    margin: 0;
}

.footer-nav h4,
.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-nav a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-contact p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-form input {
        width: 100%;
    }
}

@media (max-width: 767px) {
    .header-inner {
        height: 58px;
    }

    .brand-name {
        font-size: 16px;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 15px;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 58px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 32px;
        gap: 24px;
        z-index: 999;
        overflow-y: auto;
    }

    body.nav-open .main-nav {
        display: flex;
    }

    .main-nav .nav-link {
        font-size: 28px;
        font-weight: 700;
        color: #fff;
    }

    .article-hero {
        padding: 32px 0 20px;
    }

    .article-title-block h1 {
        font-size: 24px;
        padding-left: 16px;
    }

    .article-meta {
        gap: 10px;
    }

    .post-content {
        padding: 28px 20px;
    }

    .post-content p {
        font-size: 15px;
        line-height: 1.85;
    }

    .post-content h2 {
        font-size: 22px;
    }

    .post-content h3 {
        font-size: 18px;
    }

    .related-section {
        padding: 36px 0 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-subscribe {
        padding: 40px 0;
    }

    .cta-text h2 {
        font-size: 22px;
    }

    .cta-form {
        width: 100%;
    }

    .cta-form .btn {
        width: 100%;
    }

    .breadcrumb .current {
        max-width: 180px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0F2E26;
            --primary-light: #1D4A3E;
            --accent: #C6A45C;
            --accent-light: #E2CC9B;
            --accent-bg: #F1E6D2;
            --accent-text: #8A6F3C;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --dark: #0B1D18;
            --text: #17211E;
            --text-muted: #61706A;
            --border: #E7E2D8;
            --success: #2F7D5E;
            --radius-card: 10px;
            --radius-block: 18px;
            --radius-btn: 6px;
            --shadow-card: 0 1px 3px rgba(15,46,38,0.05);
            --shadow-hover: 0 12px 30px rgba(15,46,38,0.10);
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.78;
            letter-spacing: 0.1px;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: 72px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .brand-mark {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            color: rgba(255,255,255,0.82);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.2px;
            padding: 10px 16px;
            border-radius: 6px;
            transition: color 0.2s, background 0.2s;
            position: relative;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1);
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

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

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            border-radius: 6px;
            z-index: 1100;
        }

        .toggle-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.2s;
        }

        .nav-toggle.active .toggle-bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active .toggle-bar:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active .toggle-bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-ghost:hover {
            background: rgba(15,46,38,0.08);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
        }

        .btn-white:hover {
            background: var(--accent-light);
            color: var(--primary);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 96px 0 80px;
            background: var(--bg);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(247,245,240,0.94) 0%, rgba(247,245,240,0.78) 50%, rgba(247,245,240,0.45) 100%);
        }

        .hero-wrap {
            position: relative;
            z-index: 2;
        }

        .hero-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--accent-text);
            background: var(--accent-bg);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-inner h1 {
            font-size: clamp(36px, 6vw, 60px);
            font-weight: 800;
            line-height: 1.16;
            letter-spacing: -0.5px;
            color: var(--text);
            padding-left: 24px;
            border-left: 4px solid var(--accent);
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ===== Section Common ===== */
        .cards-section,
        .value-section,
        .process-section,
        .faq-section {
            padding: 96px 0;
        }

        .about-category {
            padding: 0 0 96px;
        }

        .cta-section {
            padding: 96px 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--accent-text);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            line-height: 1.28;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .section-head p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 380px;
            line-height: 1.7;
        }

        .section-head.center {
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 8px;
        }

        .section-head.center p {
            max-width: 560px;
        }

        /* ===== Masonry Cards ===== */
        .masonry-grid {
            columns: 2;
            column-gap: 24px;
        }

        .masonry-card {
            break-inside: avoid;
            margin-bottom: 24px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid rgba(231,226,216,0.6);
            transition: box-shadow 0.3s, transform 0.3s;
        }

        .masonry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .masonry-card:hover .card-media::after {
            opacity: 1;
        }

        .card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #E9E4DA;
        }

        .card-media::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 2;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .masonry-card:hover .card-media img {
            transform: scale(1.03);
        }

        .card-content {
            padding: 24px;
        }

        .card-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            color: var(--accent-text);
            background: var(--accent-bg);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .card-content h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-content p {
            font-size: 14px;
            line-height: 1.72;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.2s;
        }

        .card-link span {
            transition: transform 0.2s;
        }

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

        .card-link:hover span {
            transform: translateX(4px);
        }

        .card-text {
            padding: 0;
        }

        .card-text .card-content {
            padding: 32px 28px;
        }

        .card-text .card-content h3 {
            font-size: 21px;
        }

        .card-text .card-content p {
            font-size: 14px;
        }

        /* ===== Value Section ===== */
        .value-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .value-grid {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 64px;
            align-items: center;
        }

        .value-info .section-tag {
            margin-bottom: 16px;
        }

        .value-info h2 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 700;
            line-height: 1.28;
            letter-spacing: -0.3px;
            margin-bottom: 20px;
        }

        .value-info p {
            font-size: 16px;
            line-height: 1.78;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .value-points {
            list-style: none;
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .value-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }

        .value-points li::before {
            content: "";
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            border: 2px solid var(--accent);
            border-radius: 50%;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 10.5L8.5 14L15 7' stroke='%23C6A45C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
            margin-top: 4px;
        }

        .value-visual {
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            min-height: 320px;
            background: #E9E4DA;
        }

        .value-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .process-step {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid rgba(231,226,216,0.6);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s, transform 0.3s;
            position: relative;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-num {
            font-size: 40px;
            font-weight: 800;
            font-feature-settings: "tnum";
            color: var(--accent);
            line-height: 1;
            letter-spacing: -1px;
            display: block;
            margin-bottom: 20px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== About Category ===== */
        .about-block {
            background: #EAEFEB;
            border-radius: var(--radius-block);
            padding: 48px 56px;
            display: grid;
            grid-template-columns: 38% 62%;
            gap: 48px;
            align-items: start;
            border-left: 4px solid var(--accent);
        }

        .about-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .about-desc p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.78;
            margin-bottom: 12px;
        }

        .about-desc p:last-child {
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            transition: color 0.2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 300;
            color: var(--accent);
            transition: transform 0.3s;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item details[open] summary {
            color: var(--primary);
        }

        .faq-item p {
            padding: 0 28px 24px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-block {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 24px 0;
        }

        .cta-block h2 {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .cta-block p {
            font-size: 16px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-section .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
        }

        .cta-section .btn-ghost {
            color: #fff;
            border-color: rgba(255,255,255,0.5);
        }

        .cta-section .btn-ghost:hover {
            background: rgba(255,255,255,0.14);
            border-color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.7);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 56px;
            padding-bottom: 56px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.2px;
            display: inline-block;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255,255,255,0.55);
            max-width: 340px;
        }

        .footer-nav h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .footer-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-nav a {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            transition: color 0.2s;
        }

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

        .footer-contact p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin-bottom: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 24px 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .value-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .about-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 58px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 12px;
                z-index: 1050;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-100%);
                transition: opacity 0.35s cubic-bezier(0.2, 0, 0, 1), transform 0.35s cubic-bezier(0.2, 0, 0, 1), visibility 0.35s;
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-link {
                font-size: 24px;
                font-weight: 700;
                padding: 14px 24px;
                color: rgba(255,255,255,0.85);
            }

            .nav-link::after {
                left: 24px;
                right: 24px;
                bottom: 6px;
            }

            .nav-toggle {
                position: relative;
                z-index: 1100;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .hero-inner h1 {
                font-size: 36px;
            }

            .cards-section,
            .value-section,
            .process-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }

            .about-category {
                padding-bottom: 64px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }

            .masonry-grid {
                columns: 1;
            }

            .masonry-card {
                margin-bottom: 16px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-step {
                padding: 24px;
            }

            .about-block {
                padding: 32px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 40px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .cta-actions .btn {
                width: 100%;
                max-width: 280px;
            }

            .btn {
                min-height: 44px;
            }
        }

        @media (max-width: 520px) {
            .value-visual {
                min-height: 220px;
            }

            .value-visual img {
                min-height: 220px;
            }

            .card-content {
                padding: 20px;
            }

            .card-text .card-content {
                padding: 24px 20px;
            }

            .step-num {
                font-size: 32px;
            }

            .cta-block h2 {
                font-size: 26px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }