/* ============================================================
   百兆礼品 · 企业官网样式表  style.css
   风格：新中式 · 红金  |  适配：桌面 / 平板 / 手机
   维护：改色改字只需动【一、设计变量】区，全站统一生效
   ============================================================ */

/* ========== 一、设计变量（改这里 = 换全站风格） ========== */
:root{
  /* 主色：中国红 */
  --red-900:#5E1219;
  --red-800:#6E1620;
  --red-700:#8C1F28;   /* 主色 */
  --red-600:#A8342A;
  --red-500:#B03A2E;
  /* 辅色：描金 */
  --gold-700:#9A7828;
  --gold-600:#C9A050;  /* 主辅色 */
  --gold-400:#E8CE96;
  --gold-200:#F3E4C0;
  /* 中性 */
  --cream:#FAF7F2;     /* 页面底色 */
  --cream-2:#F5F0E8;
  --white:#ffffff;
  --ink:#2E2A26;       /* 标题字 */
  --text:#4A443C;      /* 正文字 */
  --muted:#8A8178;     /* 次要字 */
  --line:#E8E0D0;      /* 描边 */
  --line-2:#F0EAD9;
  /* 阴影 */
  --sh-sm:0 2px 8px rgba(60,40,30,.06);
  --sh:0 6px 24px rgba(60,40,30,.09);
  --sh-lg:0 18px 50px rgba(60,40,30,.15);
  /* 尺寸 */
  --radius:14px;
  --radius-sm:9px;
  --maxw:1200px;
  --nav-h:74px;
  /* 字体：标题用衬线（国风），正文用无衬线（易读） */
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}

/* ========== 二、基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--text);
  background:var(--cream);
  line-height:1.8;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);line-height:1.35;font-weight:700;letter-spacing:.5px}
::selection{background:var(--gold-400);color:var(--red-900)}

/* 无障碍：键盘焦点可见 */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--gold-600);outline-offset:2px;border-radius:4px
}

/* ========== 三、布局容器 ========== */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.section{padding:76px 0}
.section--tight{padding:52px 0}
.section--cream{background:var(--cream-2)}
.section--white{background:var(--white)}
.section--dark{background:linear-gradient(135deg,#3A2A22 0%,#2A1D18 100%);color:#D8CFC4}
.section--dark h2,.section--dark h3{color:#fff}

/* ========== 四、区块标题 ========== */
.sec-head{text-align:center;margin-bottom:46px}
.sec-head .en{
  font-size:12.5px;letter-spacing:4px;text-transform:uppercase;
  color:var(--gold-700);font-weight:600;display:block;margin-bottom:10px
}
.sec-head h2{font-size:34px;letter-spacing:2px;position:relative;display:inline-block;padding:0 8px}
.sec-head h2::after{
  content:"";position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);
  width:54px;height:3px;background:linear-gradient(90deg,var(--gold-600),var(--gold-400));border-radius:2px
}
.sec-head p{margin-top:28px;color:var(--muted);font-size:15.5px;max-width:760px;margin-left:auto;margin-right:auto}
.sec-head--left{text-align:left}
.sec-head--left h2::after{left:8px;transform:none}
.sec-head--left p{margin-left:0}

/* ========== 五、顶部信息条 ========== */
.topbar{background:var(--red-900);color:#E8DCCB;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:#F0E2C8}
.topbar a:hover{color:var(--gold-400)}
.topbar .tb-left{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar .tb-right{display:flex;gap:16px;align-items:center;color:var(--gold-400)}
.topbar i{font-style:normal;color:var(--gold-600);margin-right:5px}

/* ========== 六、主导航 ========== */
.nav{
  position:sticky;top:0;z-index:100;background:rgba(250,247,242,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s
}
.nav.scrolled{box-shadow:var(--sh);background:rgba(250,247,242,.98)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:20px}

/* LOGO */
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand .mark{
  width:44px;height:44px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--red-700),var(--red-900));
  color:var(--gold-400);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:24px;font-weight:700;
  box-shadow:inset 0 0 0 1.5px rgba(232,206,150,.55)
}
.brand .txt{display:flex;flex-direction:column;line-height:1.2}
.brand .txt b{font-family:var(--font-serif);font-size:19px;color:var(--red-800);letter-spacing:3px}
.brand .txt span{font-size:10.5px;letter-spacing:2.2px;color:var(--gold-700);text-transform:uppercase}

/* 菜单 */
.menu{display:flex;align-items:center;gap:4px}
.menu a{
  padding:10px 16px;font-size:15.5px;color:var(--ink);border-radius:8px;
  position:relative;font-weight:500;white-space:nowrap
}
.menu a:hover{color:var(--red-700);background:rgba(201,160,80,.1)}
.menu a.active{color:var(--red-700);font-weight:700}
.menu a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--gold-600);border-radius:2px
}

.nav-actions{display:flex;align-items:center;gap:12px;flex:none}

/* 汉堡按钮（<980px 显示） */
.hamburger{display:none;width:44px;height:44px;border-radius:9px;border:1px solid var(--line);background:#fff;position:relative}
.hamburger span{
  position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--red-800);
  transform:translate(-50%,-50%);transition:.3s
}
.hamburger span:nth-child(1){margin-top:-6px}
.hamburger span:nth-child(3){margin-top:6px}
.hamburger.open span:nth-child(1){margin-top:0;transform:translate(-50%,-50%) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){margin-top:0;transform:translate(-50%,-50%) rotate(-45deg)}

/* ========== 七、按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:15.5px;font-weight:600;
  letter-spacing:.5px;transition:.28s;white-space:nowrap;border:1.5px solid transparent
}
.btn-primary{background:linear-gradient(135deg,var(--red-700),var(--red-900));color:#F7E8C8;box-shadow:0 6px 18px rgba(140,31,40,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(140,31,40,.36);color:#fff}
.btn-gold{background:linear-gradient(135deg,var(--gold-600),var(--gold-700));color:#3A2A10;box-shadow:0 6px 18px rgba(201,160,80,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(201,160,80,.42)}
.btn-ghost{border-color:var(--gold-600);color:var(--red-700);background:transparent}
.btn-ghost:hover{background:rgba(201,160,80,.14);transform:translateY(-2px)}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.14)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ========== 八、Hero 首屏 ========== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,#5E1219 0%,#8C1F28 48%,#6E1620 100%);
  padding:96px 0 88px
}
/* 装饰：金色同心圆 + 福字水印 */
.hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(201,160,80,.28)
}
.hero::after{
  content:"";position:absolute;right:-40px;top:-60px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(201,160,80,.18)
}
.hero .watermark{
  position:absolute;left:-24px;bottom:-90px;font-family:var(--font-serif);
  font-size:300px;line-height:1;color:rgba(255,255,255,.045);font-weight:700;
  pointer-events:none;user-select:none
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,160,80,.16);border:1px solid rgba(232,206,150,.5);color:#F7E8C8;
  padding:6px 18px;border-radius:999px;font-size:13.5px;letter-spacing:1.5px;margin-bottom:24px
}
.hero h1{font-size:46px;color:#fff;letter-spacing:2.5px;line-height:1.3;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--gold-400)}
.hero .lead{font-size:17px;color:rgba(255,255,255,.9);max-width:600px;margin-bottom:14px;line-height:1.9}
.hero .lead b{color:var(--gold-400)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px}
.hero-trust span{
  font-size:13px;color:#F0E2C8;background:rgba(255,255,255,.1);
  border:1px solid rgba(232,206,150,.32);padding:5px 14px;border-radius:999px
}
.hero-trust span::before{content:"✓";color:var(--gold-400);margin-right:6px;font-weight:700}

/* 首屏右侧信息卡 */
.hero-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(232,206,150,.3);
  border-radius:18px;padding:28px 26px;backdrop-filter:blur(6px)
}
.hero-card h3{color:#fff;font-size:19px;margin-bottom:4px;letter-spacing:1px}
.hero-card .hc-sub{font-size:12.5px;color:var(--gold-400);letter-spacing:2px;margin-bottom:18px}
.hero-card .hc-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:11px 0;border-bottom:1px dashed rgba(232,206,150,.25);font-size:14.5px
}
.hero-card .hc-row:last-of-type{border-bottom:0}
.hero-card .hc-row span{color:rgba(255,255,255,.72)}
.hero-card .hc-row b{color:var(--gold-400);font-size:15.5px}
.hero-card .hc-note{
  margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.65);text-align:center;
  border-top:1px solid rgba(232,206,150,.2);padding-top:14px
}

/* ========== 九、数据条 ========== */
.stats{background:var(--white);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:34px 24px}
.stat{text-align:center;padding:6px 10px;border-right:1px solid var(--line-2)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--font-serif);font-size:40px;color:var(--red-700);line-height:1.1;letter-spacing:1px}
.stat b small{font-size:18px;color:var(--gold-700);margin-left:2px;font-family:var(--font-sans)}
.stat span{font-size:13.5px;color:var(--muted);letter-spacing:.5px}

/* ========== 十、网格与卡片 ========== */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:.3s;position:relative;overflow:hidden;height:100%
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:var(--gold-400)}
.card .ico{
  width:56px;height:56px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(201,160,80,.18),rgba(140,31,40,.12));
  border:1px solid rgba(201,160,80,.35)
}
.card h3{font-size:19.5px;margin-bottom:10px;letter-spacing:1px}
.card p{font-size:14.5px;color:var(--text);line-height:1.85}
.card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.card .tags span{font-size:12px;color:var(--gold-700);background:var(--gold-200);padding:3px 11px;border-radius:999px}
/* 顶部金线卡（工艺卡） */
.card--top{border-top:3px solid var(--gold-600)}
.card--top:hover{border-color:var(--gold-600)}

/* 工艺卡：左侧色条 */
.card--craft{padding-left:28px}
.card--craft::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red-700)}
.card--craft.c2::before{background:linear-gradient(180deg,#5D6D7E,#34495E)}
.card--craft.c3::before{background:linear-gradient(180deg,#C9A050,#8C6A1D)}
.card--craft.c4::before{background:linear-gradient(180deg,#1F7A8C,#145A68)}

/* 产品小卡 */
.p-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 16px;text-align:center;transition:.28s
}
.p-card:hover{border-color:var(--gold-600);box-shadow:var(--sh);transform:translateY(-4px)}
.p-card .p-thumb{
  width:100%;aspect-ratio:1/1;border-radius:10px;overflow:hidden;margin-bottom:12px;
  background:var(--cream-2);display:flex;align-items:center;justify-content:center
}
.p-card .p-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:.35s}
.p-card:hover .p-thumb img{transform:scale(1.06)}
.p-card .p-ico{font-size:30px;margin-bottom:10px;display:block}
.p-card b{font-size:15.5px;color:var(--ink);display:block;margin-bottom:5px;font-family:var(--font-sans)}
.p-card span{font-size:12.5px;color:var(--muted)}

/* ========== 十一、图文分栏 ========== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split--rev .split-media{order:2}
.split-media{border-radius:var(--radius);overflow:hidden;position:relative}
/* 占位视觉块（有实拍图时替换为 <img>） */
.ph{
  aspect-ratio:4/3;border-radius:var(--radius);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;color:#fff;text-align:center;padding:20px;
  background:linear-gradient(135deg,#8C1F28,#5E1219);position:relative;overflow:hidden
}
.ph.gold{background:linear-gradient(135deg,#C9A050,#8C6A1D)}
.ph.slate{background:linear-gradient(135deg,#4A5B6B,#2E3B47)}
.ph.teal{background:linear-gradient(135deg,#1F7A8C,#0F4A56)}
.ph::after{
  content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.28);border-radius:8px
}
.ph .ph-ico{font-size:46px;line-height:1}
.ph .ph-txt{font-size:14px;letter-spacing:1px;opacity:.95;position:relative;z-index:2}
.ph .ph-cap{font-size:12px;color:rgba(255,255,255,.7);position:relative;z-index:2}
.split-body h2{font-size:30px;margin-bottom:16px;letter-spacing:1.5px}
.split-body .body-en{font-size:12px;letter-spacing:3px;color:var(--gold-700);text-transform:uppercase;margin-bottom:8px;display:block}
.split-body p{margin-bottom:14px;font-size:15.5px;line-height:1.9}
.split-body p b{color:var(--red-700)}
.check-list{margin:20px 0 26px}
.check-list li{padding-left:30px;position:relative;margin-bottom:11px;font-size:15px}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:var(--red-700);color:#F7E8C8;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;line-height:20px;text-align:center
}

/* ========== 十二、流程条 ========== */
.flow{display:flex;align-items:stretch;justify-content:center;flex-wrap:wrap;gap:0;margin-top:10px}
.flow-step{
  flex:1 1 128px;max-width:170px;text-align:center;padding:22px 10px;position:relative
}
.flow-step:not(:last-child)::after{
  content:"›";position:absolute;right:-4px;top:38px;color:var(--gold-600);font-size:24px;font-weight:700
}
.flow-step .fno{
  width:56px;height:56px;margin:0 auto 12px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:24px;
  background:linear-gradient(135deg,var(--red-700),var(--red-900));color:var(--gold-400);
  box-shadow:0 6px 16px rgba(140,31,40,.24)
}
.flow-step b{display:block;font-size:16px;color:var(--ink);margin-bottom:3px}
.flow-step span{font-size:12px;color:var(--muted);letter-spacing:1px}
.flow-note{
  margin-top:34px;text-align:center;font-size:14.5px;color:var(--gold-700);
  background:var(--gold-200);border:1px dashed var(--gold-600);border-radius:10px;padding:14px 22px
}

/* ========== 十三、对比表 ========== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--sh);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
table.data th{background:var(--red-700);color:#fff;padding:14px 12px;text-align:left;letter-spacing:.8px;font-weight:600;white-space:nowrap}
table.data th:first-child{background:var(--red-900)}
table.data td{padding:13px 12px;border-bottom:1px solid var(--line-2);vertical-align:top}
table.data tr:nth-child(even) td{background:#FCFAF6}
table.data tr:last-child td{border-bottom:0}
table.data td b{color:var(--red-700)}
table.data td.ok{color:#1E7A48;font-weight:600}
table.data .row-h{background:var(--cream-2)!important;font-weight:700;color:var(--red-700)}

/* ========== 十四、时间轴 ========== */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold-600),var(--line))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--gold-600);box-shadow:0 0 0 4px rgba(201,160,80,.16)
}
.tl-item .tl-year{font-family:var(--font-serif);font-size:20px;color:var(--red-700);font-weight:700;margin-bottom:4px}
.tl-item .tl-txt{font-size:14.5px;color:var(--text)}
.tl-item .tl-txt b{color:var(--ink)}

/* ========== 十五、FAQ 折叠 ========== */
.faq{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:var(--gold-400);box-shadow:var(--sh-sm)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;width:100%;text-align:left
}
.faq-q .arw{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--gold-600);color:var(--gold-700);
  display:flex;align-items:center;justify-content:center;font-size:15px;transition:.3s;line-height:1
}
.faq-item.open .faq-q .arw{transform:rotate(45deg);background:var(--gold-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a .inner{padding:0 22px 20px;font-size:14.5px;color:var(--text);line-height:1.9;border-top:1px dashed var(--line-2);margin-top:2px;padding-top:16px}
.faq-a .inner b{color:var(--red-700)}

/* ========== 十六、新闻卡 ========== */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.3s;display:flex;flex-direction:column;height:100%
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:var(--gold-400)}
.news-cover{
  aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:38px;color:#fff;
  background:linear-gradient(135deg,#8C1F28,#5E1219);position:relative
}
.news-cover.c2{background:linear-gradient(135deg,#C9A050,#8C6A1D)}
.news-cover.c3{background:linear-gradient(135deg,#1F7A8C,#0F4A56)}
.news-cover .cat{
  position:absolute;left:14px;top:14px;font-size:12px;background:rgba(255,255,255,.9);
  color:var(--red-800);padding:3px 12px;border-radius:999px;font-family:var(--font-sans);font-weight:600
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-body .date{font-size:12.5px;color:var(--muted);letter-spacing:.5px;margin-bottom:9px}
.news-body h3{font-size:17.5px;line-height:1.55;margin-bottom:10px;letter-spacing:.3px}
.news-body p{font-size:14px;color:var(--text);flex:1;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-body .more{font-size:14px;color:var(--red-700);font-weight:600}
.news-body .more::after{content:"→";margin-left:6px;transition:.25s;display:inline-block}
.news-card:hover .more::after{transform:translateX(4px)}

/* 新闻筛选 */
.filters{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filters button{
  padding:9px 22px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14.5px;color:var(--text);transition:.25s
}
.filters button:hover{border-color:var(--gold-600);color:var(--red-700)}
.filters button.active{background:var(--red-700);color:#fff;border-color:var(--red-700)}

/* ========== 十七、CTA 条 ========== */
.cta-band{
  background:linear-gradient(135deg,#5E1219 0%,#8C1F28 100%);border-radius:20px;
  padding:52px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:34px;flex-wrap:wrap;position:relative;overflow:hidden
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(201,160,80,.3)
}
.cta-band .cta-txt{position:relative;z-index:2}
.cta-band h3{color:#fff;font-size:27px;margin-bottom:8px;letter-spacing:1.5px}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px}
.cta-band .cta-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ========== 十八、表单 ========== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:var(--ink)}
.form-field label i{color:var(--red-600);font-style:normal}
.form-field input,.form-field select,.form-field textarea{
  padding:12px 15px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;font-size:15px;transition:.22s;width:100%;color:var(--text)
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--gold-600);box-shadow:0 0 0 3px rgba(201,160,80,.16);outline:none
}
.form-field textarea{min-height:110px;resize:vertical}
.form-field .err{font-size:12.5px;color:#C0392B;display:none}
.form-field.invalid input,.form-field.invalid textarea,.form-field.invalid select{border-color:#C0392B}
.form-field.invalid .err{display:block}
.form-tip{font-size:13px;color:var(--muted);margin-top:14px}
.form-ok{
  display:none;background:#EAF7EF;border:1px solid #8CCFA6;color:#1E7A48;
  padding:14px 18px;border-radius:var(--radius-sm);font-size:14.5px;margin-top:16px
}
.form-ok.show{display:block}

/* 联系人卡 */
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;gap:18px;align-items:flex-start;transition:.3s
}
.contact-card:hover{border-color:var(--gold-400);box-shadow:var(--sh)}
.contact-card .ci{
  flex:none;width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:23px;background:linear-gradient(135deg,rgba(201,160,80,.2),rgba(140,31,40,.1));
  border:1px solid rgba(201,160,80,.35)
}
.contact-card .cc-body{min-width:0;flex:1}
.contact-card h4{font-size:16px;margin-bottom:5px;letter-spacing:.5px}
.contact-card p{font-size:14.5px;color:var(--text);word-break:break-all}
.contact-card a{color:var(--red-700);font-weight:600}
.contact-card a:hover{color:var(--gold-700)}
.contact-card .sub{font-size:12.5px;color:var(--muted);margin-top:4px}

/* 二维码位 */
.qr-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.qr-slot{
  width:150px;height:150px;margin:0 auto 12px;border-radius:12px;
  background:var(--cream-2);border:1px dashed var(--gold-600);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--gold-700);font-size:12.5px
}
.qr-slot .q-ico{font-size:34px}
.qr-box b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.qr-box span{font-size:12.5px;color:var(--muted)}

/* ========== 十九、内页头部 ========== */
.page-head{
  background:linear-gradient(135deg,#5E1219 0%,#8C1F28 100%);color:#fff;
  padding:64px 0 56px;position:relative;overflow:hidden
}
.page-head::before{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(201,160,80,.28)
}
.page-head .watermark{
  position:absolute;right:60px;bottom:-60px;font-family:var(--font-serif);font-size:210px;
  color:rgba(255,255,255,.05);font-weight:700;line-height:1;pointer-events:none
}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{color:#fff;font-size:40px;letter-spacing:3px;margin-bottom:12px}
.page-head p{color:rgba(255,255,255,.86);font-size:16px;max-width:720px}
.crumb{display:flex;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--gold-400)}
.crumb .sep{opacity:.6}

/* ========== 二十、页脚 ========== */
.footer{background:#241A15;color:#B7AB9C;padding:64px 0 0;font-size:14px}
.footer h4{color:var(--gold-400);font-size:16px;margin-bottom:18px;letter-spacing:1.5px}
.footer .f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:46px}
.footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer .f-brand .mark{
  width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--red-700),var(--red-900));
  color:var(--gold-400);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:24px;font-weight:700;flex:none
}
.footer .f-brand b{font-family:var(--font-serif);font-size:19px;color:#fff;letter-spacing:3px;display:block}
.footer .f-brand span{font-size:10.5px;letter-spacing:2px;color:var(--gold-600)}
.footer .f-desc{line-height:1.9;color:#9C9184;font-size:13.5px}
.footer .f-links li{margin-bottom:11px}
.footer .f-links a{color:#B7AB9C;font-size:14px}
.footer .f-links a:hover{color:var(--gold-400);padding-left:4px}
.footer .f-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:13.5px;line-height:1.75}
.footer .f-contact i{color:var(--gold-600);font-style:normal;flex:none}
.footer .f-contact b{color:#E8DCCB;font-weight:600}
.footer .copyright{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0;text-align:center;
  font-size:12.5px;color:#8A7F72;line-height:2
}
.footer .copyright a{color:#A99C8C}
.footer .copyright a:hover{color:var(--gold-400)}

/* ========== 二十一、悬浮工具 ========== */
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--red-700),var(--red-900));color:#F7E8C8;
  display:flex;align-items:center;justify-content:center;font-size:20px;z-index:90;
  box-shadow:var(--sh);opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}

/* 侧边悬浮咨询 */
.side-cta{
  position:fixed;right:26px;bottom:88px;z-index:90;display:flex;flex-direction:column;gap:10px
}
.side-cta a{
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:var(--sh-sm);
  transition:.28s;position:relative
}
.side-cta a:hover{transform:translateY(-3px);border-color:var(--gold-600);box-shadow:var(--sh)}
.side-cta a .tip{
  position:absolute;right:58px;top:50%;transform:translateY(-50%);white-space:nowrap;
  background:var(--red-800);color:#fff;font-size:13px;padding:7px 14px;border-radius:8px;
  opacity:0;visibility:hidden;transition:.25s;pointer-events:none
}
.side-cta a:hover .tip{opacity:1;visibility:visible;right:60px}

/* ========== 二十二、动画 ========== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ========== 二十三、响应式 ========== */
/* 平板 / 小笔记本 */
@media(max-width:1080px){
  .hero h1{font-size:40px}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-card{max-width:520px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g5{grid-template-columns:repeat(3,1fr)}
  .footer .f-grid{grid-template-columns:1fr 1fr;gap:32px}
}
/* 竖屏平板 / 手机横屏 */
@media(max-width:980px){
  :root{--nav-h:66px}
  /* 导航转抽屉 */
  .hamburger{display:block}
  .menu{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:calc(var(--nav-h) + 20px) 20px 30px;
    box-shadow:-16px 0 48px rgba(0,0,0,.16);
    transform:translateX(105%);transition:transform .34s cubic-bezier(.4,.8,.3,1);
    z-index:105;overflow-y:auto
  }
  .menu.open{transform:translateX(0)}
  .menu a{padding:15px 14px;font-size:17px;border-bottom:1px solid var(--line-2);border-radius:0}
  .menu a.active::after{display:none}
  .menu a.active{color:var(--red-700)}
  .nav-actions .btn{display:none}
  /* 遮罩 */
  .nav-mask{
    position:fixed;inset:0;background:rgba(30,20,16,.5);z-index:104;
    opacity:0;visibility:hidden;transition:.3s
  }
  .nav-mask.show{opacity:1;visibility:visible}
  .menu .m-cta{display:block!important;margin-top:22px}
  .menu .m-cta .btn{width:100%;margin-bottom:10px}
  .section{padding:58px 0}
  .sec-head h2,.split-body h2{font-size:28px}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:22px}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line-2);padding-bottom:16px}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--rev .split-media{order:0}
  .page-head h1{font-size:32px}
  .cta-band{padding:40px 30px}
  .cta-band h3{font-size:23px}
  .form-grid{grid-template-columns:1fr}
}
/* 手机 */
@media(max-width:640px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .topbar .tb-left span:nth-child(3){display:none}
  .brand .txt b{font-size:17px;letter-spacing:2px}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:33px;letter-spacing:1.5px}
  .hero .lead{font-size:15.5px}
  .hero .watermark{font-size:200px;bottom:-60px}
  .hero-cta .btn{flex:1 1 100%}
  .section{padding:46px 0}
  .sec-head{margin-bottom:34px}
  .sec-head h2,.split-body h2{font-size:24px}
  .sec-head p{font-size:14.5px;margin-top:22px}
  .g2,.g3,.g4,.g5{grid-template-columns:1fr}
  /* 手机上产品/优势保持双列，避免过长 */
  .g4.keep2,.g5.keep2{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{padding:24px 18px}
  .stat b{font-size:31px}
  .flow-step{flex:1 1 33.33%;max-width:none;padding:14px 4px}
  .flow-step:not(:last-child)::after{display:none}
  .flow-step .fno{width:46px;height:46px;font-size:19px;margin-bottom:8px}
  .flow-step b{font-size:14px}
  .flow-step span{font-size:11px}
  .footer .f-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .cta-band{padding:32px 22px;border-radius:14px}
  .cta-band h3{font-size:20px}
  .cta-band .cta-btns{width:100%}
  .cta-band .cta-btns .btn{flex:1}
  .page-head{padding:46px 0 40px}
  .page-head h1{font-size:26px}
  .page-head p{font-size:14.5px}
  .page-head .watermark{font-size:140px}
  .card{padding:24px 20px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .side-cta{right:16px;bottom:72px}
  .side-cta a{width:44px;height:44px;font-size:18px}
  .side-cta a .tip{display:none}
  table.data{font-size:13px}
}

/* ============================================================
   新闻详情页 · 小百新增 2026-10-16
   作用域全部限定在 .article-* 与 .news-card 内，不影响其他页面
   ============================================================ */

/* 卡片标题与“阅读全文”改为链接后的样式 */
.news-body h3 a{color:inherit;text-decoration:none;transition:color .25s}
.news-card:hover .news-body h3 a{color:var(--red-700)}
a.more{text-decoration:none;display:inline-block}

/* 文章容器 */
.article-wrap{max-width:820px;margin:0 auto}
.article-body{font-size:16px;color:var(--text);line-height:1.95}
.article-body h2{
  font-size:23px;color:var(--ink);margin:38px 0 14px;letter-spacing:.5px;
  padding-left:14px;border-left:4px solid var(--red-700);line-height:1.5;
}
.article-body h3{font-size:18px;color:var(--ink);margin:26px 0 10px;letter-spacing:.3px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 16px}
.article-body li{margin:8px 0}
.article-body strong{color:var(--ink)}
.article-body a{color:var(--red-700)}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.article-body th{background:var(--cream-2);color:var(--red-700);font-weight:600;white-space:nowrap}
.article-body blockquote{
  margin:18px 0;padding:14px 20px;background:var(--cream-2);color:var(--text);
  border-left:4px solid var(--gold-600);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body blockquote p:last-child{margin-bottom:0}

/* 导语 */
.article-body .lead{
  font-size:17px;color:var(--ink);background:var(--cream-2);padding:16px 20px;
  border-radius:var(--radius-sm);border-left:4px solid var(--red-700);margin-bottom:24px;
}

/* 提示块 */
.article-body .tip{
  background:#FDF8EC;border:1px solid var(--gold-200);border-left:4px solid var(--gold-600);
  border-radius:var(--radius-sm);padding:14px 18px;margin:18px 0;font-size:14.5px;
}
.article-body .tip p:last-child{margin-bottom:0}

/* FAQ */
.article-body .faq{margin:14px 0 0;border-top:1px solid var(--line-2);padding-top:14px}
.article-body .faq:first-of-type{border-top:none;padding-top:0}
.article-body .faq .q{font-weight:700;color:var(--ink);margin:0 0 6px}
.article-body .faq .a{margin:0;font-size:15px;color:var(--text)}

/* 文章头信息 */
.article-meta{
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  font-size:13px;color:var(--muted);margin-bottom:24px;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.article-meta .tag{
  background:var(--cream-2);color:var(--red-700);font-weight:600;
  padding:3px 11px;border-radius:11px;font-size:12.5px;letter-spacing:.3px;
}

/* 文末公司事实句 */
.article-foot{
  margin-top:36px;padding:18px 20px;background:var(--cream-2);
  border-radius:var(--radius-sm);border:1px solid var(--line);
  font-size:13.5px;color:var(--text);line-height:1.9;
}
.article-foot b{color:var(--ink)}
.article-foot .upd{display:block;margin-top:10px;color:var(--muted);font-size:12.5px}

/* 上下篇导航 */
.article-nav{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;
}
.article-nav a{color:var(--red-700);text-decoration:none}
.article-nav a:hover{text-decoration:underline}

@media(max-width:640px){
  .article-body{font-size:15.5px;line-height:1.9}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .article-body table{font-size:13.5px}
  .article-body th,.article-body td{padding:8px 10px}
}