/* ============================================================
   site19 — 传统经典风（宣纸米底 + 墨色 + 暗金 · 双线描边画框）
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Songti SC","STSong","SimSun","Noto Serif SC",serif;background:#f6f2e9;color:#2c2721;line-height:1.9}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{width:min(1120px,92%);margin:0 auto}
.narrow{width:min(760px,92%)}
.center{text-align:center}
.section{padding:72px 0}
.section.alt{background:#efe9db}
.kicker{font-size:13px;letter-spacing:.42em;color:#9a7b3f;margin-bottom:12px}
.section h2{font-size:30px;letter-spacing:.12em;margin-bottom:18px}
.note{font-size:13px;color:#8a8271}

/* 年龄提示条 */
.age-bar{position:sticky;top:0;z-index:60;display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;background:#2c2721;color:#f1ead9;font-size:13px;padding:9px 14px;text-align:center}
.age-bar button{border:1px solid #9a7b3f;cursor:pointer;background:#9a7b3f;color:#fff;font-size:13px;padding:5px 16px;border-radius:2px;font-family:inherit;letter-spacing:.1em}

/* 头部导航 */
.site-header{position:sticky;top:0;background:rgba(246,242,233,.94);backdrop-filter:blur(6px);border-bottom:1px solid #d8cfba;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.brand{display:flex;align-items:baseline;gap:10px}
.brand b{font-size:22px;letter-spacing:.06em}
.brand span{font-size:13px;color:#6f6754;display:flex;flex-direction:column;line-height:1.25}
.brand small{font-size:10px;letter-spacing:.28em;color:#9a7b3f}
.menu-toggle{display:none;background:none;border:1px solid #c9bfa6;border-radius:2px;font-size:18px;padding:4px 10px;cursor:pointer;color:#2c2721}
.site-header nav{display:flex;gap:18px;font-size:14px;letter-spacing:.06em}
.site-header nav a{color:#55503f;padding:6px 2px;border-bottom:2px solid transparent}
.site-header nav a:hover{color:#9a7b3f;border-color:#9a7b3f}

/* 面包屑 */
.breadcrumb{padding:16px 0 0;font-size:13px;color:#8a8271;display:flex;gap:8px}
.breadcrumb a:hover{color:#9a7b3f}

/* Hero：双线描边画框式 */
.hero{padding:56px 0}
.frame{position:relative;border:1px solid #9a7b3f;padding:10px;background:#fbf8f1}
.frame::before{content:"";position:absolute;inset:7px;border:1px solid rgba(154,123,63,.45);pointer-events:none}
.hero-frame{padding:56px 40px;text-align:center}
.hero-frame h1{font-size:40px;letter-spacing:.14em;margin:10px 0 16px}
.hero-frame .lead{font-size:17px;color:#4a4436;max-width:680px;margin:0 auto}
.hero-frame .sub{font-size:13px;color:#8a8271;max-width:620px;margin:12px auto 0}
.hero-frame img{width:min(760px,100%);margin:30px auto 0;border:1px solid #d8cfba}
.btn{display:inline-block;padding:11px 30px;font-size:14px;letter-spacing:.14em;border:1px solid transparent;cursor:pointer;transition:.25s;font-family:inherit}
.btn.primary{background:#9a7b3f;color:#fff;border-color:#9a7b3f}
.btn.primary:hover{background:#82683a}

/* 三大系列：竖栏画框 */
.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.panel{background:#fbf8f1;border:1px solid #d8cfba;padding:34px 26px;text-align:center;position:relative}
.panel::after{content:"";position:absolute;inset:6px;border:1px solid rgba(154,123,63,.25);pointer-events:none}
.panel .num{font-size:30px;color:#9a7b3f;display:block;margin-bottom:10px}
.panel h3{font-size:19px;letter-spacing:.14em;margin-bottom:10px}
.panel p{font-size:14px;color:#6f6754;text-align:justify}

/* 字号传承 */
.quote-p{font-size:16px;color:#4a4436;text-align:justify;margin:6px 0 26px}
.seals{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.seal{display:inline-flex;align-items:center;justify-content:center;width:88px;height:88px;border:2px solid #a33c30;color:#a33c30;border-radius:50%;font-size:15px;letter-spacing:.08em;transform:rotate(-3deg)}
.seal:nth-child(2n){transform:rotate(3deg)}

/* 信誉承诺 */
.pledge{list-style:none;margin-top:6px}
.pledge li{padding:16px 4px;border-bottom:1px dashed #cfc5ab;font-size:15px;color:#4a4436}
.pledge li b{color:#9a7b3f;letter-spacing:.1em}

/* 顾客口碑 */
.quote{background:#fbf8f1;border:1px solid #d8cfba;padding:26px 30px 22px;margin:18px 0;position:relative}
.quote::before{content:"\201C";position:absolute;top:-4px;left:14px;font-size:52px;color:rgba(154,123,63,.35);font-family:Georgia,serif;line-height:1}
.quote footer{margin-top:10px;font-size:13px;color:#8a8271;text-align:right}

/* FAQ */
.faq-item{background:#fbf8f1;border:1px solid #d8cfba;padding:20px 24px;margin-bottom:14px}
.faq-item h3{font-size:16px;color:#2c2721;margin-bottom:6px;letter-spacing:.04em}
.faq-item p{font-size:14px;color:#6f6754}

/* 联络本号 */
.contact-info{list-style:none;margin:14px 0 22px;font-size:15px;color:#4a4436}
.contact-info li{padding:4px 0}
.contact-form{display:grid;gap:14px;background:#fbf8f1;border:1px solid #d8cfba;padding:28px}
.contact-form label{display:grid;gap:6px;font-size:14px;color:#55503f}
.contact-form input,.contact-form textarea{border:1px solid #cfc5ab;background:#fff;padding:10px 12px;font-size:14px;font-family:inherit;color:#2c2721}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#9a7b3f}
.form-tip{font-size:13px;color:#2f7d4f}

/* 页脚 */
.site-footer{background:#2c2721;color:#cfc5ab;padding:34px 0;font-size:13px}
.site-footer .legal{margin-top:8px;color:#8f8770;line-height:1.8}

/* 响应式 */
@media(max-width:900px){
  .panels{grid-template-columns:1fr}
  .menu-toggle{display:block}
  .site-header nav{display:none;position:absolute;left:0;right:0;top:100%;background:#f6f2e9;border-bottom:1px solid #d8cfba;flex-direction:column;padding:12px 4%;gap:4px}
  .site-header nav.open{display:flex}
  .hero-frame{padding:36px 20px}
  .hero-frame h1{font-size:29px}
  .seal{width:74px;height:74px;font-size:13px}
}