/* ============================================================================
 * 日耕官网 · 样式
 * 取色＝日耕产品设计令牌（pc/frontend tokens.css）＋ 宣传片暖棕金主题，
 * 不新造品牌色：主色 #8B4513（温润棕）／辅色 #D2691E／米金 #DEB887／品牌绿 #6B8E4E。
 * 字体＝衬线标题 + 系统正文（与产品「衬线标题 + 温和正文」一致；不内嵌字体，减小体积）。
 * ========================================================================== */
:root{
  --pri:#8B4513; --pri-d:#7A3D10; --pri-l:#A0522D;
  --gold:#D2691E; --beige:#DEB887; --green:#6B8E4E;
  --bg:#FDF8F3; --bg2:#F5EFE6; --card:#FFFFFF; --card2:#FDFAF6;
  --ink:#2D1810; --ink2:#5D4037; --ink3:#6E6157;
  --line:#E0D5C5; --hairline:rgba(139,69,23,.08);
  --gold-soft:rgba(210,105,30,.10);
  --serif:'Rigeng Brand Serif','Songti SC','STSong','SimSun',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --shadow:0 14px 36px rgba(139,69,23,.10);
  --shadow-lg:0 24px 60px rgba(139,69,23,.16);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--pri);text-decoration:none}
a:hover{color:var(--pri-l)}
em{font-style:normal;color:var(--pri);border-bottom:3px solid var(--beige);padding-bottom:2px}
b{color:var(--ink)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.small{font-size:13.5px;color:var(--ink3);line-height:1.8}

/* ---------------------------------------------------------------- 排版 */
h1,h2,h3,h4,.h-lg,.brand{font-family:var(--serif);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.36;margin:0 0 18px;color:var(--ink)}
.h-lg{font-size:clamp(24px,3vw,36px);line-height:1.4;color:var(--ink)}
.lead{font-size:17px;color:var(--ink2);line-height:1.9}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--pri);background:var(--gold-soft);border-radius:999px;padding:6px 14px}
.group-h{font-size:19px;color:var(--pri-d);margin:44px 0 18px;
  padding-left:14px;border-left:4px solid var(--beige)}
.band{background:var(--bg2)}
.slogan{font-family:var(--serif);font-size:20px;color:var(--pri-l);letter-spacing:.12em;margin:6px 0 22px}

/* ---------------------------------------------------------------- 导航 */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(253,248,243,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1180px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;color:var(--ink);white-space:nowrap}
.brand small{font-family:var(--sans);font-size:12px;color:var(--ink3);font-weight:400;margin-left:6px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;background:var(--pri);color:#fff;font-size:19px}
.nav-links{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav-links a{font-size:14.5px;color:var(--ink2)}
.nav-links a:hover{color:var(--pri)}
.nav-cta{display:flex;gap:10px}

/* ---------------------------------------------------------------- 按钮 */
.pill{font-family:var(--sans);font-size:14.5px;font-weight:600;cursor:pointer;
  border-radius:999px;padding:11px 22px;border:1px solid var(--line);
  background:#fff;color:var(--pri-d);transition:.18s}
.pill:hover{border-color:var(--beige);transform:translateY(-1px)}
.pill.gold{background:linear-gradient(120deg,var(--pri),var(--pri-l));color:#fff;border-color:transparent;
  box-shadow:0 8px 22px rgba(139,69,23,.24)}
.pill.gold:hover{box-shadow:0 12px 28px rgba(139,69,23,.3)}
.pill.solid{background:var(--pri);color:#fff;border-color:transparent}
.btn-big{display:inline-block;font-family:var(--sans);font-size:16px;font-weight:700;cursor:pointer;
  border:0;border-radius:12px;padding:15px 30px;background:linear-gradient(120deg,#E8912F,var(--gold));
  color:#2b1505;box-shadow:0 10px 26px rgba(210,105,30,.32);transition:.18s}
.btn-big:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(210,105,30,.38)}
.btn-big.ghost{background:transparent;color:#F3E7D8;border:1px solid rgba(240,223,186,.45);box-shadow:none}
.link-btn{background:none;border:0;color:var(--pri);text-decoration:underline;cursor:pointer;font-size:13px}
[data-scroll]{cursor:pointer}

/* ---------------------------------------------------------------- 首屏 */
.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;
  padding:64px 0 60px}
.hero .sub{font-size:17.5px;color:var(--ink2);line-height:1.95;margin:0 0 4px;max-width:34em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.shot{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px;
  box-shadow:var(--shadow-lg)}
.shot-head{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink3);margin-bottom:12px}
.shot-head .dot{width:9px;height:9px;border-radius:50%;background:var(--green)}
.shot-img{border-radius:14px;border:1px solid var(--hairline);width:100%;
  max-height:520px;object-fit:cover;object-position:center top}
.chip{display:inline-block;font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:var(--bg2);color:var(--ink2);border:1px solid var(--line)}
.chip.g{background:rgba(107,142,78,.12);color:#3f5a2c;border-color:rgba(107,142,78,.3)}

/* ---------------------------------------------------------------- 区块 */
section{padding:72px 0}
.wrap > .eyebrow + .h-lg{margin-top:14px}
.grid2,.grid3,.grid4{display:grid;gap:20px}
.grid2{grid-template-columns:repeat(2,1fr)}
.grid3{grid-template-columns:repeat(3,1fr)}
.grid4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:17px;margin:0 0 8px;color:var(--ink)}
.card p{margin:0;font-size:14.5px;color:var(--ink2);line-height:1.85}
.num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:9px;background:var(--gold-soft);color:var(--pri-d);font-weight:700;margin-bottom:12px}
.icn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:12px;background:linear-gradient(135deg,var(--beige),#F3E2C8);color:var(--pri-d);
  font-family:var(--serif);font-size:21px;font-weight:700;margin-bottom:12px}
.quote{font-family:var(--serif);font-size:clamp(19px,2.2vw,25px);line-height:1.75;color:var(--pri-d);
  padding:22px 26px;background:var(--card);border-left:5px solid var(--beige);
  border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow)}

/* ---------------------------------------------------------------- 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  position:relative;box-shadow:var(--shadow)}
.step .n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:50%;background:var(--pri);color:#fff;font-weight:700;margin-bottom:14px}
.step h4{margin:0 0 8px;font-size:17px;color:var(--ink)}
.step p{margin:0;font-size:14.5px;color:var(--ink2);line-height:1.85}

/* ---------------------------------------------------------------- 视频 */
.videobox{background:#14100C;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(212,165,116,.28)}
.videobox video{display:block;width:100%;height:auto;background:#14100C}

/* ------------------------------------------------------------ 界面速览 */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.gallery img{width:100%;height:300px;object-fit:cover;object-position:center top;border-radius:10px}
.gallery figcaption{position:absolute;left:20px;bottom:20px;font-size:13px;font-weight:600;color:#FFF8F0;
  background:rgba(45,24,16,.78);border-radius:999px;padding:5px 13px}

/* ---------------------------------------------------------------- 价格 */
.price-main{padding:26px;border-left:5px solid var(--beige)}
.ptag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--pri-d);
  background:var(--gold-soft);border-radius:999px;padding:5px 13px;margin-bottom:12px}

/* ---------------------------------------------------------------- 下载 */
.dl{background:#20180F;border-radius:26px;padding:44px;color:#F3E7D8;box-shadow:var(--shadow-lg)}
.dl .h-lg,.dl b,.dl h3{color:#FFF8F0}
.dl .lead{color:#D9C9B5}
.dl-card{background:rgba(255,255,255,.05);border:1px solid rgba(212,165,116,.24);
  border-radius:18px;padding:24px;margin-top:18px}
.dl-meta{display:flex;gap:9px;flex-wrap:wrap}
.tag{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(212,165,116,.16);color:#EADBC8}
.tag.hot{background:rgba(107,142,78,.28);color:#DCEDCB}
.dl-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.mobile-row{display:flex;gap:22px;align-items:center;justify-content:space-between}
.mobile-row .col{flex:1;min-width:240px}
.qr{width:104px;height:104px;border-radius:12px;background:rgba(255,255,255,.9);color:#5D4037;
  display:flex;align-items:center;justify-content:center;font-size:12px;text-align:center;line-height:1.4}
.notes-box{margin-top:18px;border-top:1px solid rgba(212,165,116,.2);padding-top:14px}
.notes-box h4{margin:0 0 8px;font-size:15px;color:#FFF8F0}
.notes-box ul{margin:0;padding-left:18px;font-size:13.5px;color:#D9C9B5;line-height:1.9}

/* ---------------------------------------------------------------- 表格 */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
thead th{background:var(--bg2);color:var(--ink2);font-weight:600;text-align:left;padding:11px 14px;
  border-bottom:1px solid var(--line)}
tbody td{padding:11px 14px;border-bottom:1px solid var(--hairline);color:var(--ink2);line-height:1.75}
tbody tr:last-child td{border-bottom:0}
.mono{font-family:ui-monospace,Consolas,monospace;background:var(--bg2);padding:1px 6px;border-radius:6px}

/* ---------------------------------------------------------------- FAQ */
.faq{display:grid;gap:12px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;
  box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:16px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:'＋';color:var(--pri);font-weight:700;margin-right:10px}
details[open] summary::before{content:'－'}
.ans{margin-top:10px;font-size:14.5px;color:var(--ink2);line-height:1.9}

/* ---------------------------------------------------------------- 页脚 */
footer{background:#1B130C;color:#C9B7A3;padding:46px 0 34px;font-size:14px}
footer .wrap{display:block}
footer b{color:#FFF8F0;font-size:16px}
.foot-links{display:flex;gap:12px;margin:20px 0}
.legal{margin-top:20px;padding-top:18px;border-top:1px solid rgba(212,165,116,.18);
  font-size:12.5px;line-height:2;color:#9E8C79}
.legal .k{color:#C9B7A3}
.legal .sep{margin:0 8px;color:rgba(212,165,116,.4)}
.legal a{color:#DEB887}
.copyright{margin-top:14px;font-size:12.5px;color:#8A7963}

/* ---------------------------------------------------------------- 浮窗与弹窗 */
.fab{position:fixed;right:22px;bottom:22px;z-index:60;border:0;cursor:pointer;border-radius:999px;
  padding:14px 20px;font-size:14.5px;font-weight:600;color:#fff;
  background:linear-gradient(120deg,var(--pri),var(--gold));box-shadow:0 14px 34px rgba(139,69,23,.34)}
.mask{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;
  background:rgba(45,24,16,.5);padding:20px;backdrop-filter:blur(3px)}
.mask.show{display:flex}
.modal{background:#fff;border-radius:20px;padding:30px;max-width:520px;width:100%;box-shadow:var(--shadow-lg)}
.modal h3{margin:0 0 12px;font-size:20px}
.ok-note{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:16px;
  font-size:14.5px;color:var(--ink2);line-height:1.9}
.modal-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}

/* ---------------------------------------------------------------- 微信提示 / Toast */
.wx-tip{display:none;background:#3F5A2C;color:#EFF7E6;font-size:14px;text-align:center;
  padding:11px 16px;line-height:1.6}
.wx-tip.show{display:block}
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);z-index:90;
  background:var(--ink);color:#FFF8F0;padding:12px 22px;border-radius:999px;font-size:14px;
  opacity:0;pointer-events:none;transition:.22s}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------------------------------------------------------- 窄屏 */
@media (max-width:1080px){
  .grid4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .hero{grid-template-columns:1fr;gap:34px;padding:44px 0 40px}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery img{height:260px}
  .nav-links{display:none}
  .dl{padding:28px 22px}
  .mobile-row{flex-direction:column;align-items:flex-start}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  section{padding:52px 0}
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .gallery img{height:240px}
  h1{font-size:29px}
  .h-lg{font-size:22px}
  .fab{right:14px;bottom:14px;padding:12px 16px;font-size:13.5px}
  .brand small{display:none}
  .nav-cta .pill{padding:10px 16px}
}