:root{
  --primary:#B5482E;
  --primary-dark:#8E3A24;
  --primary-soft:#F5E1D4;
  --accent:#E2A13B;
  --accent-soft:#F9EDD8;
  --bg:#F6F2E9;
  --card:#FFFFFF;
  --ink:#2A221C;
  --muted:#6E6258;
  --dark:#1F1810;
  --line:rgba(42,34,28,.12);
  --success:#3E7C4F;
  --success-soft:#E4F0E6;
  --shadow:0 2px 8px rgba(31,24,16,.06);
  --shadow-lg:0 14px 32px rgba(31,24,16,.14);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --container:1200px;
  --space-section:96px;
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--bg);color:var(--ink);font-size:18px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
input{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:8px}
.section-head h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.section-head p{font-size:17px;color:var(--muted);margin-top:10px;max-width:640px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(226,161,59,.55);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:16px;font-weight:600;border:1px solid transparent;transition:all .22s ease;line-height:1.2}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{background:#7c3120}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-dark);color:var(--primary-dark);transform:translateY(-2px)}
.btn-submit{background:var(--accent);color:var(--dark);border:1px solid transparent;width:100%;font-weight:700}
.btn-submit:hover{background:#eab055;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-submit:active{background:#d18f2a}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(246,242,233,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-badge{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800;font-size:18px;letter-spacing:.02em}
.logo-box{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.04em}
.logo-main span{color:var(--primary)}
.nav-chips{display:flex;gap:8px;align-items:center}
.nav-chip{display:inline-flex;align-items:center;padding:8px 18px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink);background:var(--primary-soft);transition:all .18s ease;white-space:nowrap}
.nav-chip:hover{background:var(--accent-soft);color:var(--primary)}
.nav-chip.active{background:var(--primary);color:#fff}
.header-cta{flex-shrink:0}
.header-cta .btn{padding:11px 24px;font-size:15px}
.nav-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-scroll::-webkit-scrollbar{display:none}

/* ===== Hero Bento ===== */
.hero{position:relative;padding:80px 0 60px;background:var(--bg);overflow:hidden}
.hero::before{content:"";position:absolute;top:-80px;right:-100px;width:340px;height:340px;background:radial-gradient(circle,rgba(226,161,59,.14) 0%,transparent 65%);pointer-events:none}
.hero-bento{display:grid;grid-template-columns:1fr 300px;grid-template-areas:"main side-top" "main side-bottom";gap:20px;position:relative}
.hero-main{grid-area:main;background:var(--card);border-radius:var(--radius-lg);padding:56px 56px 44px;box-shadow:var(--shadow-lg);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.hero-main h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.hero-main h1 .hl{color:var(--primary)}
.hero-sub{font-size:20px;line-height:1.7;color:var(--muted);margin:20px 0 28px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-date{display:flex;align-items:center;flex-wrap:wrap;gap:14px;padding-top:18px;border-top:1px solid var(--line)}
.date-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--primary-dark);font-size:14px;font-weight:700;padding:6px 16px;border-radius:999px}
.date-note{font-size:13px;color:var(--muted)}
.hero-card{position:relative;border-radius:var(--radius-md);overflow:hidden;background-size:cover;background-position:center;min-height:150px;border:1px solid var(--line)}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,24,16,.1) 0%,rgba(31,24,16,.55) 100%)}
.hero-card-top{grid-area:side-top}
.hero-card-bottom{grid-area:side-bottom}
.hero-card-inner{position:absolute;left:20px;bottom:16px;right:20px;z-index:2;color:#fff}
.hero-card-tag{display:inline-block;background:var(--accent);color:var(--dark);font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;margin-bottom:6px}
.hero-card-text{display:block;font-size:18px;font-weight:700;line-height:1.4}
.hero-card-sub{display:block;font-size:13px;opacity:.85;margin-top:2px}

/* ===== Data Board ===== */
.data-section{position:relative;padding:20px 0 96px;margin-top:-20px;z-index:5}
.data-board{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-lg);display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:36px 12px;position:relative}
.data-item{text-align:center;padding:16px 20px;border-right:1px solid var(--line)}
.data-item:last-child{border-right:none}
.data-badge{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:3px 14px;border-radius:999px;margin-bottom:12px}
.data-number{display:block;font-size:56px;line-height:1;font-weight:900;color:var(--primary);letter-spacing:-.02em}
.data-label{display:block;font-size:14px;color:var(--muted);margin-top:10px;line-height:1.5}
.data-note{position:absolute;right:24px;bottom:12px;font-size:12px;color:var(--muted)}

/* ===== Matrix Cards ===== */
.matrix-section{background:var(--bg);padding:0 0 96px}
.matrix-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:40px}
.matrix-card{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--line);overflow:hidden;transition:all .25s ease;display:flex;flex-direction:column}
.matrix-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:rgba(181,72,46,.3)}
.matrix-card:hover .matrix-cover img{transform:scale(1.03)}
.matrix-card:hover h3{color:var(--primary)}
.matrix-card-large{grid-column:span 4;display:grid;grid-template-columns:1fr 1fr}
.matrix-card-small{grid-column:span 2}
.matrix-card-standard{grid-column:span 2}
.matrix-card-standard .matrix-body{padding:20px 20px 16px}
.matrix-card-standard h3{font-size:19px;line-height:1.45;font-weight:700;margin-bottom:8px}
.matrix-card-standard .matrix-desc{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:12px}
.matrix-cover{position:relative;overflow:hidden}
.matrix-card-large .matrix-cover{min-height:280px}
.matrix-card-small .matrix-cover{min-height:180px}
.matrix-card-standard .matrix-cover{min-height:160px}
.matrix-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.matrix-badge{position:absolute;top:14px;left:14px;z-index:2;background:var(--accent);color:var(--dark);font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.matrix-card-small .matrix-badge,.matrix-card-standard .matrix-badge{background:var(--card);color:var(--primary);border:1px solid var(--line)}
.matrix-body{padding:24px;flex:1;display:flex;flex-direction:column}
.matrix-body h3{font-size:21px;line-height:1.45;font-weight:700;margin-bottom:10px;transition:color .2s}
.matrix-desc{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:16px;flex:1}
.matrix-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.matrix-chips{display:flex;gap:6px;margin-left:auto}
.chip{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:3px 12px;border-radius:999px;white-space:nowrap}

/* ===== Compare ===== */
.compare-section{background:var(--dark);padding:96px 0;color:#fff}
.compare-section .section-tag{color:var(--accent)}
.compare-section .section-head h2{color:#fff}
.compare-section .section-head p{color:rgba(255,255,255,.65)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.compare-card{border-radius:var(--radius-lg);padding:36px 32px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.compare-recommend{background:#FBF7F0;border-color:rgba(226,161,59,.35);color:var(--ink)}
.compare-avoid{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1)}
.compare-icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;font-size:26px;font-weight:900;margin-bottom:18px}
.compare-recommend .compare-icon{background:var(--success-soft);color:var(--success);border:2px solid rgba(62,124,79,.25)}
.compare-avoid .compare-icon{background:rgba(255,255,255,.1);color:rgba(255,255,255,.5);border:2px solid rgba(255,255,255,.15)}
.compare-card h3{font-size:24px;font-weight:800;margin-bottom:18px}
.compare-card ul{display:flex;flex-direction:column;gap:14px}
.compare-card li{position:relative;padding-left:24px;font-size:16px;line-height:1.7}
.compare-card li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%}
.compare-recommend li::before{background:var(--success)}
.compare-avoid li::before{background:rgba(255,255,255,.35)}
.compare-avoid{color:rgba(255,255,255,.75)}
.compare-avoid h3{color:rgba(255,255,255,.9)}
.compare-bar-wrap{margin-top:40px;background:rgba(255,255,255,.06);border-radius:var(--radius-md);padding:28px 32px;border:1px solid rgba(255,255,255,.08)}
.compare-bar-head{display:flex;justify-content:space-between;font-size:15px;font-weight:600;color:#fff;margin-bottom:12px}
.compare-bar{height:14px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden}
.compare-bar-fill{height:100%;background:var(--accent);border-radius:999px}
.compare-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:10px}

/* ===== Topics / 观点 ===== */
.topics-section{background:var(--bg);padding:0 0 96px}
.topics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.topic-card{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--line);padding:36px 28px;position:relative;transition:all .25s ease}
.topic-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.topic-quote{font-size:52px;line-height:0;color:var(--accent);display:block;margin-bottom:22px;font-weight:900}
.topic-card p{font-size:16px;line-height:1.8;color:var(--ink);margin-bottom:20px}
.topic-author{font-size:13px;color:var(--muted);letter-spacing:.02em}

/* ===== FAQ ===== */
.faq-section{background:var(--accent-soft);padding:96px 0}
.faq-section .section-head{text-align:center}
.faq-section .section-head p{margin-left:auto;margin-right:auto}
.faq-list{max-width:720px;margin:44px auto 0;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--line);overflow:hidden;position:relative;transition:box-shadow .22s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:transparent;transition:background .2s}
.faq-item.active::before{background:var(--primary)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;cursor:pointer;user-select:none}
.faq-question span:first-child{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.faq-toggle{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:20px;font-weight:700;transition:transform .2s ease,background .2s;flex-shrink:0}
.faq-item.active .faq-toggle{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease,opacity .2s;opacity:0}
.faq-item.active .faq-answer{max-height:500px;opacity:1}
.faq-answer p{padding:0 28px 24px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ===== Contact Form ===== */
.contact-section{background:linear-gradient(180deg,var(--bg) 0%,var(--accent-soft) 60%);padding:96px 0}
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:44px;background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:56px;border:1px solid var(--line)}
.contact-left h2{font-size:32px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin:10px 0 16px}
.contact-left > p{font-size:16px;color:var(--muted);line-height:1.75;margin-bottom:24px}
.contact-points{display:flex;flex-direction:column;gap:10px}
.contact-points li{position:relative;padding-left:28px;font-size:15px;color:var(--ink);line-height:1.6}
.contact-points li::before{content:"✓";position:absolute;left:0;top:0;color:var(--success);font-weight:700}
.contact-form-wrap{background:var(--bg);border-radius:var(--radius-md);padding:36px;border:1px solid var(--line)}
.form-group{margin-bottom:22px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-group input[type="text"]{width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;font-size:15px;color:var(--ink);transition:border-color .2s}
.form-group input[type="text"]:focus{border-color:var(--primary);outline:none}
.form-group input[type="text"]::placeholder{color:#B8ADA2}
.form-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:500;cursor:pointer;transition:all .18s ease;user-select:none}
.pill:hover{border-color:var(--primary);color:var(--primary)}
.pill input{position:absolute;opacity:0;pointer-events:none}
.pill.checked{background:var(--primary);color:#fff;border-color:var(--primary)}
.form-note{font-size:12px;color:var(--muted);text-align:center;margin-top:14px}
.form-success{display:none;background:var(--success-soft);border:1px solid rgba(62,124,79,.25);border-radius:var(--radius-sm);padding:14px 18px;font-size:14px;color:var(--success);margin-top:16px}
.form-success.show{display:block}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-badge{width:40px;height:40px;font-size:16px}
.footer-logo .logo-main{color:#fff;font-size:19px}
.footer-about p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.55);margin-top:8px;max-width:260px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col a,.footer-col span{display:flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:12px;transition:color .18s ease;line-height:1.5}
.footer-col a:hover{color:var(--accent)}
.footer-copy{padding:32px 0 28px;text-align:center}
.footer-copy p{font-size:14px;color:rgba(255,255,255,.5);margin-bottom:6px;line-height:1.6}
.footer-copy .footer-keywords{font-size:13px;color:rgba(255,255,255,.35)}

/* ===== Responsive ===== */
@media(max-width:1023px){
  .hero-bento{grid-template-columns:1fr 240px}
  .hero-main{padding:40px 36px 32px}
  .hero-main h1{font-size:38px}
  .data-board{grid-template-columns:repeat(2,1fr);gap:0}
  .data-item:nth-child(2){border-right:none}
  .data-item:nth-child(1),.data-item:nth-child(2){border-bottom:1px solid var(--line)}
  .data-item{padding:24px 12px}
  .data-number{font-size:44px}
  .matrix-card-large{grid-column:span 6}
  .matrix-card-small{grid-column:span 3}
  .matrix-card-standard{grid-column:span 3}
  .topics-grid{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  :root{--space-section:64px}
  .container{padding:0 16px}
  .section-head h2{font-size:26px}
  body{font-size:16px}
  .header-inner{height:60px;gap:10px}
  .logo-badge{width:38px;height:38px;font-size:15px;border-radius:10px}
  .logo-main{font-size:16px}
  .logo-sub{font-size:10px}
  .header-cta{display:none}
  .nav-scroll{overflow-x:auto;flex:1}
  .nav-chip{padding:6px 14px;font-size:13px}
  .hero{padding:40px 0 32px}
  .hero-bento{grid-template-columns:1fr;grid-template-areas:"main" "side-top" "side-bottom";gap:14px}
  .hero-main{padding:32px 24px 28px;border-radius:20px}
  .hero-main h1{font-size:30px;line-height:1.25}
  .hero-sub{font-size:16px;margin:14px 0 22px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .hero-card{min-height:120px}
  .hero-card-inner{left:16px;bottom:12px}
  .data-section{padding:0 0 48px}
  .data-board{grid-template-columns:1fr 1fr;padding:20px 0}
  .data-item{padding:20px 10px;border-bottom:1px solid var(--line)}
  .data-item:nth-child(1),.data-item:nth-child(2){border-bottom:1px solid var(--line)}
  .data-item:nth-child(2){border-right:none}
  .data-item:nth-child(4){border-right:1px solid var(--line)}
  .data-item:nth-child(3){border-right:1px solid var(--line);border-bottom:none}
  .data-item:nth-child(4){border-bottom:none}
  .data-number{font-size:36px}
  .data-badge{font-size:11px;padding:2px 10px}
  .data-note{position:static;text-align:center;padding:12px 16px 0;grid-column:span 2}
  .matrix-section{padding:0 0 64px}
  .matrix-grid{grid-template-columns:1fr;gap:16px}
  .matrix-card-large{grid-column:auto;display:block}
  .matrix-card-small,.matrix-card-standard{grid-column:auto}
  .matrix-card-large .matrix-cover{min-height:160px}
  .matrix-card-standard .matrix-cover{min-height:140px}
  .matrix-body{padding:20px 18px 14px}
  .matrix-body h3{font-size:18px}
  .compare-section{padding:64px 0}
  .compare-grid{grid-template-columns:1fr;gap:16px}
  .compare-card{padding:26px 20px}
  .compare-card h3{font-size:20px}
  .compare-bar-wrap{padding:20px;}
  .topics-section{padding:0 0 64px}
  .topics-grid{grid-template-columns:1fr;gap:16px}
  .faq-section{padding:64px 0}
  .faq-question{padding:18px 18px}
  .faq-question span:first-child{font-size:15px}
  .faq-answer p{padding:0 18px 20px;font-size:14px}
  .contact-section{padding:64px 0}
  .contact-wrap{grid-template-columns:1fr;padding:24px;gap:28px}
  .contact-left h2{font-size:24px}
  .contact-form-wrap{padding:24px}
  .form-pills{gap:8px}
  .pill{font-size:13px;padding:7px 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-copy{padding:24px 0 20px}
  .footer-copy p{font-size:13px}
}
@media(min-width:768px) and (max-width:1023px){
  .data-number{font-size:38px}
  .compare-grid{grid-template-columns:1fr}
  .compare-bar-wrap{margin-top:20px}
}