:root {
  --color-primary: #443628;
  --color-primary-dark: #33281E;
  --color-primary-darker: #251D14;
  --color-accent: #C08A4E;
  --color-accent-light: #E0B47C;
  --color-bg: #F7F2E9;
  --color-surface: #FFFFFF;
  --color-border: #E5D9C6;
  --color-border-light: #EFE6D5;
  --color-text: #2C2620;
  --color-text-light: #7A6A5A;
  --color-text-lighter: #A09384;
  --color-safe: #6B7F4E;
  --radius-card: 14px;
  --radius-btn: 40px;
  --radius-input: 12px;
  --shadow-card: 0 4px 20px rgba(68,54,40,.08);
  --shadow-hover: 0 8px 30px rgba(68,54,40,.14);
  --font-heading: 'Noto Serif SC','Source Han Serif SC','Songti SC',SimSun,serif;
  --font-body: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --transition: all .3s cubic-bezier(.25,.8,.25,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:16px;line-height:1.75;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--color-accent)}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head .section-tag{display:inline-block;background:rgba(192,138,78,.15);color:var(--color-accent);font-size:13px;font-weight:500;padding:4px 16px;border-radius:20px;letter-spacing:1px;margin-bottom:12px}
.section-head h2{font-family:var(--font-heading);font-size:32px;font-weight:700;line-height:1.3;color:var(--color-text)}
.section-head h2 span{color:var(--color-accent)}
.section-head p{color:var(--color-text-light);font-size:16px;margin-top:12px}
h1,h2,h3,h4,h5{font-family:var(--font-heading);font-weight:700;line-height:1.35;color:var(--color-text)}
.button{border-radius:var(--radius-btn);padding:12px 28px;font-weight:500;font-size:15px;transition:var(--transition);cursor:pointer;display:inline-block;text-align:center;border:2px solid transparent}
.button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(68,54,40,.18)}
.button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.primary-btn{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.primary-btn:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);color:#fff}
.secondary-btn{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.secondary-btn:hover{background:rgba(68,54,40,.05);border-color:var(--color-primary-dark);color:var(--color-primary-dark)}
.light-btn{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(4px)}
.light-btn:hover{background:rgba(255,255,255,.22);color:#fff;border-color:rgba(255,255,255,.7)}
.badge{display:inline-block;background:rgba(192,138,78,.15);color:var(--color-accent);font-size:12px;font-weight:500;padding:3px 12px;border-radius:8px;vertical-align:middle}
.empty-state{border:1px dashed var(--color-border);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--color-text-lighter);font-size:14px;background:rgba(255,255,255,.4)}

/* ===== Top promo bar ===== */
.promo-bar{background:var(--color-primary-dark);color:#E8DCC8;font-size:13px;line-height:40px;text-align:center;position:relative;border-bottom:1px solid rgba(255,255,255,.08)}
.promo-bar .promo-text{display:inline-block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 40px}
.promo-bar .promo-text i{margin-right:6px;color:var(--color-accent)}
.promo-bar .close-promo{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.5);cursor:pointer;font-size:14px;transition:color .2s}
.promo-bar .close-promo:hover{color:#fff}

/* ===== Main navigation ===== */
.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(68,54,40,.04)}
.main-nav{height:80px;display:flex;align-items:center}
.nav-container{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo-name{font-family:var(--font-heading);font-size:22px;font-weight:900;color:var(--color-primary);letter-spacing:1px}
.logo-name i{color:var(--color-accent);font-size:18px;margin-right:2px}
.logo-slogan{font-size:11px;color:var(--color-text-light);letter-spacing:2px;margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu > li{position:relative}
.nav-menu > li > a{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;font-weight:500;color:var(--color-text);border-radius:8px;transition:var(--transition)}
.nav-menu > li > a:hover{color:var(--color-primary);background:rgba(68,54,40,.06)}
.nav-menu > li > a.active{color:var(--color-primary);font-weight:700;background:rgba(68,54,40,.08)}
.nav-menu > li > a i.fa-chevron-down{font-size:10px;color:var(--color-text-light)}
.nav-menu .submenu{position:absolute;top:100%;left:0;min-width:180px;background:#fff;border:1px solid var(--color-border);border-radius:10px;box-shadow:var(--shadow-card);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(12px);transition:var(--transition);z-index:50}
.nav-menu > li.has-submenu:hover .submenu{opacity:1;visibility:visible;transform:translateY(6px)}
.nav-menu .submenu a{display:block;padding:9px 20px;font-size:14px;color:var(--color-text);border-left:3px solid transparent;transition:var(--transition)}
.nav-menu .submenu a:hover{border-left-color:var(--color-accent);background:rgba(192,138,78,.06);color:var(--color-text);padding-left:24px}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{display:flex;align-items:center;background:var(--color-bg);border:1px solid var(--color-border);border-radius:40px;padding:0 6px 0 16px;transition:border-color .2s}
.nav-search:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(192,138,78,.12)}
.nav-search input{background:transparent;border:none;outline:none;font-size:14px;width:150px;padding:8px 0;color:var(--color-text)}
.nav-search input::placeholder{color:var(--color-text-lighter)}
.nav-search button{background:none;border:none;color:var(--color-text-light);padding:8px 10px;cursor:pointer;font-size:14px;transition:color .2s}
.nav-search button:hover{color:var(--color-accent)}
.nav-icon{font-size:18px;color:var(--color-text-light);padding:6px;border-radius:50%;transition:var(--transition);display:flex;align-items:center;justify-content:center}
.nav-icon:hover{color:var(--color-accent);background:rgba(192,138,78,.1)}
.nav-cta{padding:10px 24px;font-size:14px;white-space:nowrap}
.mobile-toggle{display:none;background:none;border:none;font-size:24px;color:var(--color-primary);cursor:pointer;padding:8px;border-radius:8px;transition:background .2s}
.mobile-toggle:hover{background:rgba(68,54,40,.06)}

/* ===== Hero ===== */
.hero-section{position:relative;background-size:cover;background-position:center;padding:120px 0;overflow:hidden}
.hero-section .hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(115deg,rgba(37,29,20,.88) 30%,rgba(37,29,20,.55) 70%,rgba(37,29,20,.35));z-index:1}
.hero-section .container{position:relative;z-index:2}
.hero-inner{max-width:680px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(192,138,78,.2);border:1px solid rgba(192,138,78,.4);color:#E8C9A0;font-size:13px;font-weight:500;padding:6px 18px;border-radius:40px;margin-bottom:24px;backdrop-filter:blur(4px)}
.hero-tag i{color:var(--color-accent)}
.hero-inner h1{font-size:42px;font-weight:900;line-height:1.25;color:#fff;letter-spacing:1px;margin-bottom:20px}
.hero-inner h1 span{color:var(--color-accent-light)}
.hero-subtitle{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);margin-bottom:32px;font-weight:300;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-actions .button{padding:14px 32px;font-size:15px}
.hero-stats{display:flex;gap:0;border-top:1px solid rgba(255,255,255,.15);padding-top:28px}
.hero-stat{flex:1;text-align:left;padding:0 20px;border-right:1px solid rgba(255,255,255,.12)}
.hero-stat:first-child{padding-left:0}
.hero-stat:last-child{border-right:none}
.hero-stat .stat-num{font-family:var(--font-heading);font-size:30px;font-weight:900;color:#fff;line-height:1.2}
.hero-stat .stat-num i{color:var(--color-accent);font-size:20px;font-style:normal;margin-right:2px}
.hero-stat .stat-label{font-size:12px;color:rgba(255,255,255,.65);letter-spacing:1px;margin-top:4px}

/* ===== Services ===== */
.services-section{background:var(--color-bg)}
.services-list{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}
.service-item{display:flex;align-items:center;padding:36px 44px;border-bottom:1px solid var(--color-border-light);transition:var(--transition);position:relative}
.service-item:last-child{border-bottom:none}
.service-item:hover{background:rgba(247,242,233,.6)}
.service-item:hover .service-num{color:var(--color-accent);transform:scale(1.1)}
.service-num{font-family:var(--font-heading);font-size:40px;font-weight:900;color:var(--color-border);width:86px;flex-shrink:0;transition:var(--transition)}
.service-content{flex:1;padding:0 24px}
.service-content h3{font-size:22px;margin-bottom:6px}
.service-content p{color:var(--color-text-light);font-size:15px;line-height:1.7;margin-bottom:0}
.service-link{color:var(--color-accent);font-size:18px;flex-shrink:0;padding:12px;transition:var(--transition)}
.service-link:hover{transform:translateX(6px);color:var(--color-primary)}
.service-item:hover .service-link{transform:translateX(6px)}

/* ===== Stats ===== */
.stats-section{background:var(--color-primary-dark);color:#fff;padding:88px 0;position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:-60px;right:-60px;width:260px;height:260px;border-radius:50%;background:rgba(192,138,78,.08)}
.stats-section::after{content:'';position:absolute;bottom:-40px;left:40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.03)}
.stats-grid{display:flex;justify-content:space-between;position:relative;z-index:1}
.stat-item{text-align:center;flex:1;padding:0 20px;border-right:1px solid rgba(255,255,255,.1)}
.stat-item:last-child{border-right:none}
.stat-item .stat-num{font-family:var(--font-heading);font-size:46px;font-weight:900;color:var(--color-accent-light);line-height:1.2}
.stat-item .stat-num .suffix{font-size:24px;color:rgba(255,255,255,.6)}
.stat-item .stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px;letter-spacing:1px}
.stat-item .stat-desc{font-size:12px;color:rgba(255,255,255,.4);margin-top:4px}

/* ===== Cases ===== */
.cases-section{background:var(--color-bg)}
.cases-grid{display:flex;gap:32px}
.case-card{flex:1;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow-card)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-cover{position:relative;height:240px;overflow:hidden}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-cover img{transform:scale(1.05)}
.case-date{position:absolute;top:16px;left:16px;background:rgba(37,29,20,.8);color:#fff;font-size:13px;padding:6px 14px;border-radius:8px;backdrop-filter:blur(4px)}
.case-date i{margin-right:4px;color:var(--color-accent)}
.case-body{padding:28px}
.case-body h3{font-size:20px;margin-bottom:10px}
.case-body p{color:var(--color-text-light);font-size:14px;line-height:1.7;margin-bottom:16px}
.case-link{font-size:14px;font-weight:500;color:var(--color-accent);display:inline-flex;align-items:center;gap:6px}
.case-link:hover{color:var(--color-primary)}
.case-link i{font-size:12px}

/* ===== Testimonials ===== */
.testimonials-section{background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}
.testimonials-grid{display:flex;gap:32px}
.testimonial-card{flex:1;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:36px;position:relative;transition:var(--transition)}
.testimonial-card:hover{box-shadow:var(--shadow-card);transform:translateY(-4px)}
.testimonial-card .quote-icon{font-size:28px;color:var(--color-accent);opacity:.5;margin-bottom:16px}
.testimonial-card p{color:var(--color-text);font-size:15px;line-height:1.8;font-style:italic;margin-bottom:24px}
.testimonial-user{display:flex;align-items:center;gap:14px;border-top:1px solid var(--color-border);padding-top:20px}
.testimonial-avatar{width:46px;height:46px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:18px;font-weight:700}
.testimonial-user .user-name{font-size:15px;font-weight:600;color:var(--color-text)}
.testimonial-user .user-role{font-size:12px;color:var(--color-text-light)}
.testimonial-stars{color:var(--color-accent);font-size:12px;margin-top:2px;letter-spacing:2px}

/* ===== News ===== */
.news-section{background:var(--color-bg)}
.news-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:8px 32px;overflow:hidden}
.news-row{display:flex;align-items:center;padding:28px 12px;border-bottom:1px solid var(--color-border-light);transition:var(--transition);gap:24px;color:var(--color-text)}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:rgba(247,242,233,.5)}
.news-row:hover h3{color:var(--color-accent)}
.news-date{flex-shrink:0;width:72px;text-align:center;background:rgba(192,138,78,.08);border-radius:12px;padding:10px 0;border:1px solid rgba(192,138,78,.15)}
.news-date .day{font-family:var(--font-heading);font-size:26px;font-weight:900;color:var(--color-primary);line-height:1.2;display:block}
.news-date .month{font-size:12px;color:var(--color-accent);display:block;margin-top:2px;letter-spacing:1px}
.news-body{flex:1;min-width:0}
.news-body .badge{margin-bottom:6px}
.news-body h3{font-size:19px;margin:6px 0;font-weight:600;transition:color .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-body p{font-size:14px;color:var(--color-text-light);line-height:1.6;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-link{font-size:13px;font-weight:500;color:var(--color-accent);display:inline-flex;align-items:center;gap:4px;transition:gap .2s}
.news-link:hover{gap:8px;color:var(--color-primary)}

/* ===== Process ===== */
.process-section{background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}
.process-grid{display:flex;gap:0;position:relative}
.process-step{flex:1;text-align:center;padding:0 28px;position:relative}
.process-step::before{content:'';position:absolute;top:32px;left:calc(-50% + 30px);width:calc(100% - 60px);height:1px;background:var(--color-border);z-index:0}
.process-step:first-child::before{display:none}
.process-num{width:64px;height:64px;border-radius:50%;border:2px solid var(--color-accent);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--color-accent);background:var(--color-surface);margin:0 auto 20px;position:relative;z-index:1;transition:var(--transition)}
.process-step:hover .process-num{background:var(--color-accent);color:#fff;transform:scale(1.08)}
.process-step h3{font-size:18px;margin-bottom:8px}
.process-step p{font-size:14px;color:var(--color-text-light);line-height:1.7;max-width:220px;margin:0 auto}

/* ===== FAQ ===== */
.faq-section{background:var(--color-bg)}
.faq-container{max-width:820px;margin:0 auto}
.faq-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);margin-bottom:16px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--color-accent)}
.faq-question{padding:22px 28px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:600;font-family:var(--font-heading);font-size:17px;color:var(--color-text);transition:var(--transition)}
.faq-question::after{content:'+';font-size:24px;color:var(--color-accent);transition:transform .3s}
.faq-item.is-active .faq-question::after{transform:rotate(45deg)}
.faq-question:hover{color:var(--color-accent)}
.faq-answer{display:none;padding:0 28px 24px;color:var(--color-text-light);font-size:15px;line-height:1.8;border-top:1px solid var(--color-border-light);padding-top:16px}
.faq-answer p{margin-bottom:0}

/* ===== Contact ===== */
.contact-section{background:var(--color-primary-dark);color:#fff;position:relative;overflow:hidden}
.contact-section::before{content:'';position:absolute;top:-80px;right:-80px;width:300px;height:300px;border-radius:50%;background:rgba(192,138,78,.1)}
.contact-section .section-head h2{color:#fff}
.contact-section .section-head p{color:rgba(255,255,255,.7)}
.contact-section .section-tag{background:rgba(192,138,78,.25);color:var(--color-accent-light)}
.contact-grid{display:flex;gap:48px;position:relative;z-index:1}
.contact-form-wrap{flex:1.2;background:var(--color-surface);border-radius:var(--radius-card);padding:40px;box-shadow:0 8px 40px rgba(0,0,0,.3)}
.contact-form-wrap h3{font-size:24px;margin-bottom:8px}
.contact-form-wrap .form-desc{font-size:14px;color:var(--color-text-light);margin-bottom:32px}
.contact-form .form-group{margin-bottom:20px}
.contact-form label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--color-text)}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius-input);font-size:14px;background:var(--color-bg);transition:var(--transition)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--color-text-lighter)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--color-accent);background:#fff;box-shadow:0 0 0 3px rgba(192,138,78,.15)}
.contact-form select{appearance:none;background-image:url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C08A4E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");background-repeat:no-repeat;background-position:right 16px center;background-size:14px}
.contact-form textarea{resize:vertical;min-height:100px}
.contact-form .button{width:100%;margin-top:8px}
.contact-info-wrap{flex:.8;display:flex;flex-direction:column;gap:24px}
.contact-info-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);padding:28px;backdrop-filter:blur(4px);transition:var(--transition)}
.contact-info-card:hover{border-color:rgba(192,138,78,.4)}
.contact-info-card h4{color:#fff;font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.contact-info-card h4 i{color:var(--color-accent)}
.contact-info-card p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:4px}
.contact-info-card .qr-placeholder{width:120px;height:120px;background:rgba(255,255,255,.08);border-radius:12px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:12px;margin-top:12px;border:1px dashed rgba(255,255,255,.2)}
.contact-info-card .qr-placeholder i{font-size:32px;margin-bottom:6px;display:block;text-align:center}
.contact-info-card .qr-placeholder span{display:block;text-align:center;margin-top:4px}
.contact-info-card .info-tel{font-size:22px;font-family:var(--font-heading);color:var(--color-accent-light);font-weight:700;letter-spacing:1px}

/* ===== Footer ===== */
.site-footer{background:var(--color-primary-dark);color:rgba(255,255,255,.7);padding:80px 0 0;border-top:4px solid var(--color-accent)}
.footer-ready{max-width:700px;margin:0 auto 60px;text-align:center}
.footer-ready h3{color:#fff;font-size:26px;margin-bottom:16px}
.footer-ready p{font-size:15px;color:rgba(255,255,255,.6);margin-bottom:28px;line-height:1.8}
.footer-ready .button{padding:14px 40px;font-size:15px}
.footer-top{display:flex;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{flex:1.4}
.footer-brand .footer-logo{font-family:var(--font-heading);font-size:26px;font-weight:900;color:#fff;margin-bottom:12px;display:block}
.footer-brand .footer-logo i{color:var(--color-accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-col{flex:1}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px;letter-spacing:1px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--color-accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.6);font-size:14px;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--color-accent);padding-left:7px}
.footer-col ul li i{width:20px;color:var(--color-accent);font-size:13px}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4);border-top:1px solid rgba(255,255,255,.06)}
.footer-bottom a{color:rgba(255,255,255,.5);margin:0 6px;transition:color .2s}
.footer-bottom a:hover{color:var(--color-accent)}

/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .main-nav{height:auto;padding:16px 0}
  .nav-container{flex-wrap:wrap}
  .nav-menu{order:3;width:100%;display:none;flex-direction:column;gap:0;background:var(--color-surface);border-top:1px solid var(--color-border);padding:12px 0;margin-top:12px}
  .nav-menu.open{display:flex}
  .nav-menu > li > a{padding:12px 16px;font-size:15px}
  .nav-menu .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0;background:var(--color-bg);border-radius:8px;margin:4px 16px}
  .nav-menu .submenu a{padding:9px 16px}
  .nav-actions{margin-left:auto;gap:8px}
  .nav-search{display:none}
  .nav-search.mobile-show{display:flex;width:100%;order:4;margin-top:12px;padding-left:16px}
  .nav-search.mobile-show input{width:100%}
  .mobile-toggle{display:flex;align-items:center;justify-content:center}
  .hero-section{padding:90px 0}
  .hero-inner h1{font-size:32px}
  .stats-grid{flex-wrap:wrap;gap:28px}
  .stat-item{flex:1 1 40%;border:none}
  .stat-item:nth-child(even){border-left:1px solid rgba(255,255,255,.08)}
  .cases-grid{flex-direction:column}
  .testimonials-grid{flex-direction:column}
  .process-grid{flex-direction:column;gap:40px}
  .process-step::before{display:none}
  .contact-grid{flex-direction:column}
  .footer-top{flex-wrap:wrap;gap:32px}
  .footer-brand{flex:1 1 100%}
}
@media screen and (max-width:640px){
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .section-head p{font-size:14px}
  .container{padding:0 16px}
  .promo-bar .promo-text{font-size:12px}
  .logo-name{font-size:18px}
  .logo-slogan{font-size:10px}
  .nav-cta{display:none}
  .hero-section{padding:64px 0}
  .hero-inner h1{font-size:28px}
  .hero-subtitle{font-size:15px}
  .hero-actions{flex-direction:column}
  .hero-actions .button{width:100%}
  .hero-stats{flex-wrap:wrap;gap:16px}
  .hero-stat{flex:1 1 30%;border:none;padding:0}
  .hero-stat .stat-num{font-size:24px}
  .service-item{flex-direction:row;padding:24px 10px;align-items:flex-start}
  .service-num{font-size:30px;width:56px}
  .service-content{padding:0 14px}
  .service-content h3{font-size:18px}
  .service-content p{font-size:13px}
  .stat-item .stat-num{font-size:36px}
  .case-cover{height:180px}
  .news-card{padding:4px 16px}
  .news-row{flex-direction:row;padding:20px 8px;gap:14px}
  .news-date{width:58px}
  .news-date .day{font-size:20px}
  .news-body h3{font-size:16px;white-space:normal}
  .news-body p{font-size:13px;-webkit-line-clamp:2}
  .process-step{padding:0 16px}
  .faq-question{font-size:15px;padding:18px 20px}
  .faq-answer{padding:0 20px 18px}
  .contact-form-wrap{padding:28px}
  .footer-top{flex-direction:column}
  .footer-bottom{font-size:12px;padding:20px 8px}
}

/* ===== 设计变量 ===== */
:root {
  --color-primary: #443628;
  --color-primary-dark: #33281E;
  --color-primary-darker: #251D14;
  --color-accent: #C08A4E;
  --color-accent-light: #E0B47C;
  --color-bg: #F7F2E9;
  --color-surface: #FFFFFF;
  --color-border: #E5D9C6;
  --color-border-light: #EFE6D5;
  --color-text: #2C2620;
  --color-text-light: #7A6A5A;
  --color-text-lighter: #A09384;
  --color-safe: #6B7F4E;
  --radius-card: 14px;
  --radius-btn: 40px;
  --radius-input: 12px;
  --shadow-card: 0 4px 20px rgba(68,54,40,.08);
  --shadow-hover: 0 8px 30px rgba(68,54,40,.14);
  --font-heading: 'Noto Serif SC','Source Han Serif SC','Songti SC',SimSun,serif;
  --font-body: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --transition: all .3s cubic-bezier(.25,.8,.25,1);
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent); }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-text); line-height: 1.3; }

/* ===== 容器与板块 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .section-tag {
  display: inline-block;
  background: rgba(192,138,78,.15);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-head h2 { font-family: var(--font-heading); font-size: 32px; font-weight: 700; color: var(--color-text); }
.section-head h2 span { color: var(--color-accent); }
.section-head p { color: var(--color-text-light); font-size: 16px; margin-top: 12px; }

/* ===== 按钮 ===== */
.button {
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
  display: inline-block;
  text-align: center;
  border: 2px solid transparent;
  line-height: 1.5;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(68,54,40,.18); }
.button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.primary-btn { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.primary-btn:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.secondary-btn { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.secondary-btn:hover { background: rgba(68,54,40,.05); border-color: var(--color-primary-dark); color: var(--color-primary-dark); }
.badge {
  display: inline-block;
  background: rgba(192,138,78,.15);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 8px;
}

/* ===== 促销公告条 ===== */
.promo-bar {
  background: var(--color-primary);
  color: rgba(255,255,255,.92);
  font-size: 13px;
  text-align: center;
  padding: 9px 48px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.promo-text { display: inline-block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.promo-text i { color: var(--color-accent-light); margin-right: 6px; }
.close-promo {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 50%;
  transition: var(--transition);
}
.close-promo:hover { color: #fff; background: rgba(255,255,255,.12); }

/* ===== 主栏导航 ===== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(68,54,40,.04);
}
.main-nav { height: 80px; display: flex; align-items: center; }
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 100%; }
.logo { display: flex; flex-direction: column; line-height: 1.2; flex-shrink: 0; }
.logo-name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 1px;
}
.logo-name i { color: var(--color-accent); font-size: 18px; margin-right: 2px; }
.logo-slogan { font-size: 11px; color: var(--color-text-light); letter-spacing: 2px; margin-top: 2px; }
.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-menu > li > a:hover { color: var(--color-primary); background: rgba(68,54,40,.06); }
.nav-menu > li > a.active { color: var(--color-primary); font-weight: 700; background: rgba(68,54,40,.08); }
.nav-menu > li > a i.fa-chevron-down { font-size: 10px; color: var(--color-text-light); }
.nav-menu .submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 50;
}
.nav-menu > li.has-submenu:hover .submenu { opacity: 1; visibility: visible; transform: translateY(6px); }
.nav-menu .submenu a {
  display: block;
  padding: 9px 20px;
  font-size: 14px;
  color: var(--color-text);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.nav-menu .submenu a:hover { border-left-color: var(--color-accent); background: rgba(192,138,78,.06); color: var(--color-text); padding-left: 24px; }
.nav-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.nav-search {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 40px;
  padding: 0 6px 0 16px;
  transition: border-color .2s;
}
.nav-search:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(192,138,78,.12); }
.nav-search input { background: transparent; border: none; outline: none; font-size: 14px; width: 150px; padding: 8px 0; color: var(--color-text); }
.nav-search input::placeholder { color: var(--color-text-lighter); }
.nav-search button { background: none; border: none; color: var(--color-text-light); padding: 8px 10px; cursor: pointer; font-size: 14px; transition: color .2s; }
.nav-search button:hover { color: var(--color-accent); }
.nav-icon {
  font-size: 18px;
  color: var(--color-text-light);
  padding: 6px;
  border-radius: 50%;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-icon:hover { color: var(--color-accent); background: rgba(192,138,78,.1); }
.nav-cta { padding: 10px 24px; font-size: 14px; white-space: nowrap; }
.mobile-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--color-primary); cursor: pointer; padding: 8px; border-radius: 8px; }

/* ===== 文章页头部 ===== */
.article-hero { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 56px 0 40px; }
.breadcrumb {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: var(--color-text-lighter); }
.breadcrumb .current { color: var(--color-accent); font-weight: 500; max-width: 420px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-header .badge { margin-bottom: 14px; font-size: 13px; padding: 5px 14px; }
.article-header h1 {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.35;
  margin: 10px 0 18px;
  max-width: 820px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  color: var(--color-text-light);
  flex-wrap: wrap;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--color-accent); }

/* ===== 封面图 ===== */
.article-cover { background: var(--color-bg); padding: 32px 0 0; }
.article-cover .container { max-width: 1000px; }
.article-cover img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* ===== 正文阅读区 ===== */
.article-body { padding-top: 56px; }
.article-container { max-width: 760px; margin: 0 auto; }
.article-content { font-size: 17px; line-height: 1.85; color: var(--color-text); }
.article-content h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  margin: 52px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
  line-height: 1.4;
}
.article-content h3 {
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 600;
  margin: 36px 0 14px;
  color: var(--color-primary);
}
.article-content p { margin: 0 0 28px; }
.article-content a { color: var(--color-accent); border-bottom: 1px solid rgba(192,138,78,.3); }
.article-content a:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: rgba(192,138,78,.06);
  padding: 22px 28px;
  margin: 36px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--color-text-light);
}
.article-content img { border-radius: var(--radius-card); margin: 36px auto; box-shadow: var(--shadow-card); }
.article-content ul,
.article-content ol { padding-left: 24px; margin: 0 0 28px; }
.article-content ul li { list-style: disc; margin-bottom: 10px; }
.article-content ol li { list-style: decimal; margin-bottom: 10px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 32px 0; }
.article-content th,
.article-content td { border: 1px solid var(--color-border); padding: 12px 16px; text-align: left; font-size: 15px; }
.article-content th { background: rgba(68,54,40,.04); font-weight: 600; color: var(--color-primary); }
.article-content hr { border: none; border-top: 1px solid var(--color-border-light); margin: 40px 0; }

/* ===== 空态 ===== */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}
.article-empty i { font-size: 48px; color: var(--color-border); margin-bottom: 16px; }
.article-empty p { font-size: 18px; color: var(--color-text-light); margin-bottom: 24px; }

/* ===== 相关推荐 ===== */
.article-related { background: var(--color-surface); border-top: 1px solid var(--color-border); }
.related-grid { margin-top: 8px; }
.related-card { margin-bottom: 24px; }
.related-inner {
  display: block;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.related-inner:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-inner img { width: 100%; height: 160px; object-fit: cover; }
.related-info { padding: 20px; }
.related-info .badge { margin-bottom: 10px; }
.related-info h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 8px 0 8px;
  color: var(--color-text);
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-inner:hover h3 { color: var(--color-accent); }
.related-info time { font-size: 12px; color: var(--color-text-lighter); }
.article-back { text-align: center; margin-top: 40px; }

/* ===== CTA 板块 ===== */
.article-cta { padding: 96px 0; }
.cta-box {
  background: var(--color-primary);
  border-radius: 18px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  background-image: radial-gradient(circle at 20% 20%, rgba(192,138,78,.25) 0%, transparent 40%);
}
.cta-box h3 { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-box p { color: rgba(255,255,255,.85); font-size: 15px; margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-box .button { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cta-box .button:hover { background: var(--color-accent-light); border-color: var(--color-accent-light); }

/* ===== 页脚 ===== */
.site-footer { background: var(--color-primary-darker); color: rgba(255,255,255,.75); padding: 64px 0 0; }
.footer-ready {
  text-align: center;
  padding: 48px 24px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  margin-bottom: 48px;
}
.footer-ready h3 { font-family: var(--font-heading); font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-ready p { max-width: 520px; margin: 0 auto 24px; font-size: 15px; color: rgba(255,255,255,.7); }
.footer-ready .button { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.footer-ready .button:hover { background: var(--color-accent-light); border-color: var(--color-accent-light); }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  display: block;
  margin-bottom: 14px;
}
.footer-logo i { color: var(--color-accent); margin-right: 4px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul li { margin-bottom: 10px; font-size: 14px; color: rgba(255,255,255,.65); }
.footer-col ul li a { color: rgba(255,255,255,.65); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent-light); padding-left: 4px; }
.footer-col ul li i { color: var(--color-accent); width: 20px; margin-right: 4px; font-size: 13px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--color-accent-light); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-menu > li > a { padding: 10px 10px; font-size: 14px; }
  .nav-search input { width: 110px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .section-head { margin-bottom: 32px; }
  .mobile-toggle { display: block; }
  .nav-search, .nav-icon, .nav-cta { display: none; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 24px rgba(68,54,40,.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    margin: 0;
  }
  .nav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-menu > li > a { padding: 12px 8px; border-radius: 8px; font-size: 15px; }
  .nav-menu .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 8px 24px;
    min-width: 0;
  }
  .nav-menu .submenu a { padding: 8px 12px; }
  .nav-search { display: flex; margin: 12px 0 8px; width: 100%; }
  .nav-search input { width: 100%; }
  .nav-cta { display: inline-block; width: 100%; text-align: center; margin-top: 8px; }
  .article-header h1 { font-size: 28px; }
  .article-meta { gap: 12px; flex-direction: column; align-items: flex-start; }
  .article-cover img { height: 260px; }
  .article-content { font-size: 16px; line-height: 1.8; }
  .article-content h2 { font-size: 22px; margin-top: 40px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h3 { font-size: 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-ready { padding: 32px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .promo-bar { padding: 8px 40px 8px 16px; font-size: 12px; text-align: left; }
  .logo-name { font-size: 19px; }
  .logo-slogan { font-size: 10px; }
  .article-hero { padding: 40px 0 32px; }
  .breadcrumb { font-size: 12px; }
  .article-header h1 { font-size: 24px; }
  .article-cover img { height: 200px; border-radius: 10px; }
  .article-content { font-size: 15px; }
  .article-content blockquote { padding: 16px 20px; }
  .article-related .related-grid { margin-top: 0; }
  .related-inner img { height: 190px; }
  .article-back .button { width: 100%; }
  .footer-top { gap: 24px; }
  .footer-bottom { font-size: 12px; gap: 6px; flex-direction: column; }
}