/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0a4d3c;
            --color-primary-dark: #073829;
            --color-primary-light: #0d6b52;
            --color-accent: #d4a843;
            --color-accent-light: #e8c56d;
            --color-accent-dark: #b8912f;
            --color-bg: #fafbfc;
            --color-bg-alt: #f2f4f6;
            --color-bg-dark: #0a2320;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-strong: #0d0d1a;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
            --shadow-md: 0 4px 14px rgba(0,0,0,0.09);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
            --shadow-nav: 0 1px 6px rgba(0,0,0,0.06);
            --font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --font-mono: "SF Mono","Fira Code","Fira Mono","Roboto Mono",monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --container-max: 1200px;
            --container-narrow: 960px;
            --container-wide: 1320px;
        }

        /* ========== 基础 Reset 覆盖 ========== */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}
        body{font-family:var(--font-family);line-height:1.7;color:var(--color-text);background:var(--color-bg);min-height:100vh;overflow-x:hidden}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        a:hover{color:var(--color-primary)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;color:var(--color-text-strong);font-weight:700}
        h1{font-size:2.6rem;letter-spacing:-0.02em}
        h2{font-size:2rem;letter-spacing:-0.01em}
        h3{font-size:1.35rem}
        h4{font-size:1.1rem}
        p{margin-bottom:0.75rem}
        hr{border:none;border-top:1px solid var(--color-border);margin:1.5rem 0}

        /* ========== Foundation 覆盖 ========== */
        .row{max-width:var(--container-max);margin-left:auto;margin-right:auto}
        .row.wide{max-width:var(--container-wide)}
        .row.narrow{max-width:var(--container-narrow)}
        .columns{padding-left:1rem;padding-right:1rem}
        @media screen and (min-width:40em){
            .columns{padding-left:1.25rem;padding-right:1.25rem}
        }
        @media screen and (min-width:64em){
            .columns{padding-left:1.5rem;padding-right:1.5rem}
        }

        /* 覆盖 Foundation 默认按钮 */
        .button{border-radius:var(--radius-md);font-weight:600;letter-spacing:0.01em;transition:all var(--transition-base);cursor:pointer;border:none;padding:0.7rem 1.5rem;font-size:0.95rem;line-height:1.4;display:inline-flex;align-items:center;gap:0.4rem;text-decoration:none}
        .button:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
        .button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
        .button:focus{outline:2px solid var(--color-primary-light);outline-offset:2px}
        .button.primary{background:var(--color-primary);color:#fff}
        .button.primary:hover{background:var(--color-primary-dark);color:#fff}
        .button.accent{background:var(--color-accent);color:#1a1a2e}
        .button.accent:hover{background:var(--color-accent-dark);color:#fff}
        .button.outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}
        .button.outline:hover{background:var(--color-primary);color:#fff}
        .button.large{padding:0.85rem 2rem;font-size:1.05rem;border-radius:var(--radius-lg)}
        .button.small{padding:0.45rem 1rem;font-size:0.85rem;border-radius:var(--radius-sm)}
        .button.white-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.7)}
        .button.white-outline:hover{background:#fff;color:var(--color-primary);border-color:#fff}

        /* ========== 导航 Header ========== */
        .site-header{position:sticky;top:0;z-index:100;background:var(--color-white);box-shadow:var(--shadow-nav);border-bottom:1px solid var(--color-border-light)}
        .site-header .top-bar{background:transparent;padding:0;max-width:var(--container-wide);margin:0 auto}
        .site-header .top-bar, .site-header .top-bar ul{background:transparent}
        .site-header .top-bar-left{display:flex;align-items:center;gap:0}
        .site-header .top-bar-right{display:flex;align-items:center;gap:0.6rem}
        .nav-logo{display:flex;align-items:center;gap:0.5rem;font-weight:700;font-size:1.15rem;color:var(--color-text-strong);white-space:nowrap;padding:0.6rem 0;letter-spacing:-0.01em}
        .nav-logo i{font-size:1.35rem;color:var(--color-primary)}
        .nav-logo:hover{color:var(--color-primary)}
        .nav-links{display:flex;align-items:center;gap:0.15rem;margin-left:1.8rem}
        .nav-links a{display:inline-flex;align-items:center;padding:0.6rem 1rem;border-radius:var(--radius-md);font-weight:500;font-size:0.93rem;color:var(--color-text-weak);transition:all var(--transition-fast);white-space:nowrap;position:relative}
        .nav-links a:hover{color:var(--color-primary);background:rgba(10,77,60,0.04)}
        .nav-links a.active{color:var(--color-primary);font-weight:600;background:rgba(10,77,60,0.07)}
        .nav-links a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--color-primary);border-radius:3px}
        .nav-search-wrap{position:relative;display:flex;align-items:center}
        .nav-search-wrap input{width:190px;padding:0.5rem 0.9rem 0.5rem 2.2rem;border:1.5px solid var(--color-border);border-radius:var(--radius-full);font-size:0.88rem;background:var(--color-bg-alt);color:var(--color-text);transition:all var(--transition-base);outline:none}
        .nav-search-wrap input:focus{border-color:var(--color-primary);background:var(--color-white);box-shadow:0 0 0 3px rgba(10,77,60,0.08);width:230px}
        .nav-search-wrap i{position:absolute;left:0.75rem;color:var(--color-text-muted);font-size:0.85rem;pointer-events:none}
        .nav-btn-login{background:transparent;color:var(--color-text);border:1.5px solid var(--color-border);padding:0.5rem 1.1rem;border-radius:var(--radius-full);font-weight:500;font-size:0.9rem;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
        .nav-btn-login:hover{border-color:var(--color-primary);color:var(--color-primary);background:rgba(10,77,60,0.03)}
        .nav-btn-cta{background:var(--color-primary);color:#fff;padding:0.5rem 1.3rem;border-radius:var(--radius-full);font-weight:600;font-size:0.9rem;cursor:pointer;border:none;transition:all var(--transition-base);white-space:nowrap;display:inline-flex;align-items:center;gap:0.3rem}
        .nav-btn-cta:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
        .nav-btn-cta i{font-size:0.75rem}

        /* Foundation Top Bar 覆盖 */
        .top-bar .menu{background:transparent;display:flex;align-items:center;flex-wrap:nowrap}
        .top-bar .menu>li>a{padding:0.7rem 0.5rem;line-height:1.4}
        .top-bar, .top-bar ul, .top-bar .menu{background:transparent !important}
        .top-bar .menu .menu-text{padding:0}
        .top-bar .top-bar-left, .top-bar .top-bar-right{flex-shrink:0}

        /* 移动端导航 */
        @media screen and (max-width:63.9375em){
            .site-header .top-bar{padding:0 0.5rem}
            .nav-links{margin-left:0.5rem;gap:0}
            .nav-links a{padding:0.5rem 0.7rem;font-size:0.85rem}
            .nav-search-wrap input{width:140px}
            .nav-search-wrap input:focus{width:160px}
            .nav-btn-login{padding:0.45rem 0.8rem;font-size:0.82rem}
            .nav-btn-cta{padding:0.45rem 1rem;font-size:0.82rem}
        }
        @media screen and (max-width:39.9375em){
            .site-header .top-bar{flex-wrap:wrap;padding:0.4rem 0.8rem}
            .top-bar-left{flex:1;min-width:0}
            .top-bar-right{flex:0 0 auto}
            .nav-links{display:none}
            .nav-search-wrap{display:none}
            .nav-logo{font-size:1rem}
            .nav-logo i{font-size:1.2rem}
            .nav-btn-login{font-size:0.78rem;padding:0.4rem 0.7rem}
            .nav-btn-cta{font-size:0.78rem;padding:0.4rem 0.8rem}
            /* 移动端汉堡菜单 */
            .mobile-menu-toggle{display:flex !important;align-items:center;justify-content:center;width:38px;height:38px;border:none;background:transparent;cursor:pointer;border-radius:var(--radius-sm);font-size:1.3rem;color:var(--color-text);margin-right:0.4rem}
            .mobile-menu-toggle:hover{background:var(--color-bg-alt)}
            .mobile-menu-panel{display:none;position:absolute;top:100%;left:0;right:0;background:var(--color-white);border-bottom:2px solid var(--color-border);box-shadow:var(--shadow-lg);padding:0.8rem 1rem;flex-direction:column;gap:0.4rem;z-index:99}
            .mobile-menu-panel.open{display:flex}
            .mobile-menu-panel a{display:block;padding:0.7rem 1rem;border-radius:var(--radius-md);font-weight:500;color:var(--color-text);font-size:0.95rem;transition:all var(--transition-fast)}
            .mobile-menu-panel a:hover{background:rgba(10,77,60,0.05);color:var(--color-primary)}
            .mobile-menu-panel a.active{background:rgba(10,77,60,0.08);color:var(--color-primary);font-weight:600}
            .mobile-menu-panel input{width:100%;padding:0.55rem 1rem;border:1.5px solid var(--color-border);border-radius:var(--radius-full);font-size:0.9rem;background:var(--color-bg-alt);margin-bottom:0.3rem}
        }
        @media screen and (min-width:40em){
            .mobile-menu-toggle{display:none !important}
            .mobile-menu-panel{display:none !important}
        }

        /* ========== Hero 首屏 ========== */
        .hero-section{background:linear-gradient(160deg, #0a3d2e 0%, #0a4d3c 30%, #0d5e48 60%, #0b4232 100%);color:#fff;padding:5rem 0 5.5rem;position:relative;overflow:hidden}
        .hero-section::before{content:'';position:absolute;top:-60px;right:-80px;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,0.015);pointer-events:none}
        .hero-section::after{content:'';position:absolute;bottom:-100px;left:-60px;width:350px;height:350px;border-radius:50%;background:rgba(212,168,67,0.06);pointer-events:none}
        .hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:3rem}
        .hero-text{flex:1;min-width:0}
        .hero-badge{display:inline-flex;align-items:center;gap:0.4rem;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);padding:0.4rem 1rem;border-radius:var(--radius-full);font-size:0.85rem;font-weight:500;margin-bottom:1.2rem;letter-spacing:0.02em;backdrop-filter:blur(4px)}
        .hero-badge i{color:var(--color-accent-light);font-size:0.8rem}
        .hero-text h1{color:#fff;font-size:3rem;font-weight:800;letter-spacing:-0.03em;margin-bottom:1rem;line-height:1.2}
        .hero-text h1 .highlight{color:var(--color-accent-light);position:relative}
        .hero-text .hero-desc{font-size:1.15rem;color:rgba(255,255,255,0.82);margin-bottom:2rem;max-width:520px;line-height:1.7}
        .hero-buttons{display:flex;flex-wrap:wrap;gap:0.9rem}
        .hero-visual{flex:0 0 380px;display:flex;align-items:center;justify-content:center}
        .hero-card-stack{position:relative;width:100%;max-width:360px}
        .hero-float-card{background:rgba(255,255,255,0.08);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius-xl);padding:1.5rem;color:#fff;box-shadow:var(--shadow-lg)}
        .hero-float-card .match-row{display:flex;align-items:center;justify-content:space-between;padding:0.6rem 0;border-bottom:1px solid rgba(255,255,255,0.1)}
        .hero-float-card .match-row:last-child{border-bottom:none}
        .hero-float-card .team-name{font-weight:600;font-size:0.95rem}
        .hero-float-card .match-time{font-size:0.8rem;color:rgba(255,255,255,0.7)}
        .hero-float-card .live-dot{display:inline-block;width:8px;height:8px;background:var(--color-danger);border-radius:50%;margin-right:0.3rem;animation:pulse-dot 1.5s infinite}
        @keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.6)}}
        .hero-float-card .card-label{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--color-accent-light);font-weight:600;margin-bottom:0.6rem}
        @media screen and (max-width:63.9375em){
            .hero-text h1{font-size:2.2rem}
            .hero-visual{flex:0 0 300px}
            .hero-card-stack{max-width:300px}
        }
        @media screen and (max-width:39.9375em){
            .hero-section{padding:3rem 0 3.5rem}
            .hero-inner{flex-direction:column;gap:2rem;text-align:center}
            .hero-text h1{font-size:1.8rem}
            .hero-text .hero-desc{font-size:1rem;max-width:100%;margin-left:auto;margin-right:auto}
            .hero-buttons{justify-content:center}
            .hero-visual{flex:0 0 auto;width:100%}
            .hero-card-stack{max-width:280px;margin:0 auto}
            .hero-badge{margin-left:auto;margin-right:auto}
        }

        /* ========== 板块通用 ========== */
        .section{padding:4.5rem 0}
        .section-alt{background:var(--color-bg-alt)}
        .section-dark{background:var(--color-bg-dark);color:#fff}
        .section-header{text-align:center;margin-bottom:3rem}
        .section-header h2{font-size:2rem;font-weight:700;margin-bottom:0.6rem;letter-spacing:-0.01em}
        .section-header .section-subtitle{color:var(--color-text-weak);font-size:1.05rem;max-width:560px;margin:0 auto}
        .section-dark .section-header h2{color:#fff}
        .section-dark .section-header .section-subtitle{color:rgba(255,255,255,0.7)}
        @media screen and (max-width:39.9375em){
            .section{padding:2.8rem 0}
            .section-header{margin-bottom:2rem}
            .section-header h2{font-size:1.55rem}
            .section-header .section-subtitle{font-size:0.95rem}
        }

        /* ========== 卡片组件 ========== */
        .card{background:var(--color-white);border-radius:var(--radius-lg);padding:1.8rem;box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);transition:all var(--transition-base);height:100%;display:flex;flex-direction:column}
        .card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--color-border)}
        .card-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:1rem;flex-shrink:0}
        .card-icon.green{background:rgba(10,77,60,0.1);color:var(--color-primary)}
        .card-icon.gold{background:rgba(212,168,67,0.15);color:var(--color-accent-dark)}
        .card-icon.blue{background:rgba(59,130,246,0.1);color:var(--color-info)}
        .card-icon.red{background:rgba(239,68,68,0.1);color:var(--color-danger)}
        .card h3{font-size:1.15rem;margin-bottom:0.5rem;font-weight:600}
        .card p{color:var(--color-text-weak);font-size:0.93rem;margin-bottom:0;line-height:1.65;flex-grow:1}
        .card .card-link{display:inline-flex;align-items:center;gap:0.3rem;color:var(--color-primary);font-weight:600;font-size:0.9rem;margin-top:0.8rem;transition:gap var(--transition-fast)}
        .card .card-link:hover{gap:0.55rem;color:var(--color-primary-dark)}
        .card .card-link i{font-size:0.75rem}

        /* 赛事卡片 */
        .match-card{background:var(--color-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);transition:all var(--transition-base);height:100%}
        .match-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .match-card-header{background:linear-gradient(135deg, #0a4d3c, #0d6b52);color:#fff;padding:0.9rem 1.2rem;display:flex;align-items:center;justify-content:space-between}
        .match-card-header .match-league{font-size:0.8rem;font-weight:500;opacity:0.9}
        .match-card-header .match-status{font-size:0.78rem;background:rgba(255,255,255,0.2);padding:0.2rem 0.7rem;border-radius:var(--radius-full);font-weight:500}
        .match-card-header .match-status.live{background:var(--color-danger);animation:pulse-bg 2s infinite}
        @keyframes pulse-bg{0%,100%{opacity:1}50%{opacity:0.75}}
        .match-card-body{padding:1.2rem;text-align:center}
        .match-teams{display:flex;align-items:center;justify-content:center;gap:0.8rem;margin-bottom:0.5rem}
        .match-teams .team{font-weight:700;font-size:1.1rem;color:var(--color-text-strong)}
        .match-teams .vs{color:var(--color-text-muted);font-size:0.85rem;font-weight:500}
        .match-info{font-size:0.85rem;color:var(--color-text-weak);margin-bottom:0.8rem}
        .match-card-footer{padding:0.8rem 1.2rem;border-top:1px solid var(--color-border-light);text-align:center}

        /* 数据卡片 */
        .stat-card{text-align:center;padding:1.8rem 1rem}
        .stat-number{font-size:2.8rem;font-weight:800;color:var(--color-primary);letter-spacing:-0.02em;line-height:1}
        .stat-label{font-size:0.9rem;color:var(--color-text-weak);margin-top:0.4rem}
        .section-dark .stat-number{color:var(--color-accent-light)}
        .section-dark .stat-label{color:rgba(255,255,255,0.7)}

        /* ========== 流程步骤 ========== */
        .step-list{counter-reset:step;display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center}
        .step-item{flex:1;min-width:220px;max-width:280px;text-align:center;position:relative;padding:2rem 1.2rem 1.5rem;background:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);counter-increment:step}
        .step-item::before{content:counter(step);position:absolute;top:-22px;left:50%;transform:translateX(-50%);width:44px;height:44px;border-radius:50%;background:var(--color-primary);color:#fff;font-weight:700;font-size:1.15rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}
        .step-item h4{font-size:1.05rem;margin-top:0.8rem;margin-bottom:0.4rem;font-weight:600}
        .step-item p{font-size:0.88rem;color:var(--color-text-weak);margin-bottom:0}
        @media screen and (max-width:39.9375em){
            .step-item{min-width:100%;max-width:100%}
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-list{max-width:760px;margin:0 auto}
        .faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:0.7rem;overflow:hidden;background:var(--color-white);transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--color-primary-light)}
        .faq-question{width:100%;text-align:left;padding:1rem 1.3rem;background:transparent;border:none;font-weight:600;font-size:1rem;color:var(--color-text-strong);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;transition:color var(--transition-fast);line-height:1.5}
        .faq-question:hover{color:var(--color-primary)}
        .faq-question i{font-size:0.85rem;color:var(--color-text-muted);transition:transform var(--transition-base);flex-shrink:0}
        .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--color-primary)}
        .faq-item.open .faq-question{color:var(--color-primary)}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow),padding var(--transition-base)}
        .faq-item.open .faq-answer{max-height:300px}
        .faq-answer-inner{padding:0 1.3rem 1.2rem;color:var(--color-text-weak);font-size:0.93rem;line-height:1.7}

        /* ========== CTA 板块 ========== */
        .cta-section{background:linear-gradient(150deg, #0a3d2e 0%, #0a4d3c 40%, #0d5e48 70%, #0b4232 100%);color:#fff;text-align:center;padding:5rem 0;position:relative;overflow:hidden}
        .cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 30% 50%, rgba(212,168,67,0.08) 0%, transparent 60%),radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.03) 0%, transparent 50%);pointer-events:none}
        .cta-section h2{color:#fff;font-size:2.2rem;font-weight:800;margin-bottom:0.8rem;position:relative;z-index:1}
        .cta-section .cta-desc{color:rgba(255,255,255,0.78);font-size:1.1rem;max-width:500px;margin:0 auto 2rem;position:relative;z-index:1}
        .cta-section .button-wrap{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
        @media screen and (max-width:39.9375em){
            .cta-section{padding:3.2rem 0}
            .cta-section h2{font-size:1.6rem}
            .cta-section .cta-desc{font-size:0.95rem}
        }

        /* ========== 页脚 ========== */
        .site-footer{background:#0d1a17;color:rgba(255,255,255,0.75);padding:3rem 0 2rem;border-top:4px solid var(--color-primary)}
        .footer-grid{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between}
        .footer-brand{flex:0 0 260px}
        .footer-brand .footer-logo{font-size:1.2rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:0.4rem;margin-bottom:0.8rem}
        .footer-brand .footer-logo i{color:var(--color-accent-light)}
        .footer-brand p{font-size:0.88rem;line-height:1.6;color:rgba(255,255,255,0.55);margin-bottom:0}
        .footer-links-col{flex:0 0 auto}
        .footer-links-col h4{color:#fff;font-size:0.95rem;font-weight:600;margin-bottom:0.8rem}
        .footer-links-col a{display:block;font-size:0.88rem;color:rgba(255,255,255,0.6);padding:0.25rem 0;transition:color var(--transition-fast)}
        .footer-links-col a:hover{color:var(--color-accent-light)}
        .footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.1);display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;font-size:0.82rem;color:rgba(255,255,255,0.45)}
        .footer-bottom a{color:rgba(255,255,255,0.55)}
        .footer-bottom a:hover{color:var(--color-accent-light)}
        @media screen and (max-width:39.9375em){
            .footer-grid{flex-direction:column;gap:1.5rem}
            .footer-brand{flex:0 0 auto}
            .footer-bottom{flex-direction:column;text-align:center;gap:0.5rem}
        }

        /* ========== 标签与徽章 ========== */
        .tag{display:inline-flex;align-items:center;gap:0.25rem;padding:0.25rem 0.7rem;border-radius:var(--radius-full);font-size:0.78rem;font-weight:500;white-space:nowrap}
        .tag-green{background:rgba(10,77,60,0.1);color:var(--color-primary)}
        .tag-gold{background:rgba(212,168,67,0.15);color:var(--color-accent-dark)}
        .tag-blue{background:rgba(59,130,246,0.1);color:var(--color-info)}
        .badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;border-radius:50%;font-size:0.7rem;font-weight:700;padding:0 0.4rem}
        .badge-red{background:var(--color-danger);color:#fff}

        /* ========== 分隔装饰 ========== */
        .divider-dot{display:flex;align-items:center;justify-content:center;gap:0.5rem;margin:1rem 0}
        .divider-dot span{width:6px;height:6px;border-radius:50%;background:var(--color-border)}
        .divider-dot span.active{background:var(--color-primary);width:8px;height:8px}

        /* ========== 图片占位 ========== */
        .img-placeholder{background:var(--color-bg-alt);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--color-text-muted);font-size:0.9rem;border:2px dashed var(--color-border)}

        /* ========== 特色功能区块 ========== */
        .feature-row{display:flex;align-items:center;gap:3rem;flex-wrap:wrap}
        .feature-row.reverse{flex-direction:row-reverse}
        .feature-text{flex:1;min-width:280px}
        .feature-text h3{font-size:1.5rem;font-weight:700;margin-bottom:0.7rem}
        .feature-text p{color:var(--color-text-weak);font-size:1rem;line-height:1.7}
        .feature-text ul{list-style:none;padding:0;margin-top:1rem}
        .feature-text ul li{padding:0.35rem 0;padding-left:1.5rem;position:relative;color:var(--color-text-weak);font-size:0.93rem}
        .feature-text ul li::before{content:'✓';position:absolute;left:0;color:var(--color-primary);font-weight:700;font-size:0.85rem}
        .feature-visual{flex:0 0 380px;min-width:280px}
        .feature-visual .img-placeholder{min-height:260px;border-radius:var(--radius-xl)}
        @media screen and (max-width:63.9375em){
            .feature-row{gap:2rem}
            .feature-visual{flex:0 0 300px}
        }
        @media screen and (max-width:39.9375em){
            .feature-row{flex-direction:column !important;gap:1.5rem}
            .feature-visual{flex:0 0 auto;width:100%}
            .feature-visual .img-placeholder{min-height:200px}
            .feature-text h3{font-size:1.25rem}
        }

        /* ========== 辅助工具类 ========== */
        .text-center{text-align:center}
        .text-primary{color:var(--color-primary)}
        .text-accent{color:var(--color-accent)}
        .text-weak{color:var(--color-text-weak)}
        .mt-1{margin-top:1rem}
        .mt-2{margin-top:2rem}
        .mt-3{margin-top:3rem}
        .mb-1{margin-bottom:1rem}
        .mb-2{margin-bottom:2rem}
        .mb-3{margin-bottom:3rem}
        .gap-sm{gap:0.6rem}
        .gap-md{gap:1.2rem}
        .gap-lg{gap:2rem}

        /* 焦点可见 */
        :focus-visible{outline:2px solid var(--color-primary-light);outline-offset:3px;border-radius:2px}