:root{
  --ink:#24282F; --ink2:#3A3F49; --muted:#5C636E; --muted2:#8A9099;
  --line:#E7E3D8; --line2:#EFEBE1;
  --bg:#FBF9F4; --white:#fff;
  --gold:#FFC53D; --gold-deep:#A9761A; --gold-soft:#FFF6E0;
  --radius:18px;
  --shadow:0 1px 2px rgba(36,40,47,.05), 0 8px 24px rgba(36,40,47,.04);
  --shadow-h:0 2px 4px rgba(36,40,47,.06), 0 18px 40px rgba(36,40,47,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--white); color:var(--ink); line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line2)}
.nav-in{max-width:1160px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.2px}
.brand img{width:28px;height:28px;border-radius:8px}
.brand small{font-weight:500;color:var(--muted2);font-size:12px;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{background:var(--ink);color:#fff;padding:9px 18px;border-radius:11px;font-size:13.5px;font-weight:600}
.nav-cta:hover{background:var(--gold);color:#241703}

/* ---------- 通用 ---------- */
.sec{padding:92px 0}
.sec.alt{background:var(--bg)}
.sec-head{max-width:680px;margin-bottom:46px}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.09em;color:var(--gold-deep);
  background:var(--gold-soft);border:1px solid #F5E4B8;padding:5px 12px;border-radius:999px;margin-bottom:18px}
h2{font-size:clamp(27px,3.3vw,38px);line-height:1.2;letter-spacing:-.025em;font-weight:800}
.sec-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8;max-width:620px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;font-size:15px;font-weight:700;transition:.18s}
.btn-main{background:var(--gold);color:#241703;box-shadow:0 6px 18px rgba(255,197,61,.32)}
.btn-main:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,197,61,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:#CFC9BA;transform:translateY(-1px)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 84px;background:linear-gradient(180deg,#FFFDF8 0%,#FBF9F4 100%);border-bottom:1px solid var(--line2)}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}
h1{font-size:clamp(36px,4.6vw,56px);line-height:1.08;letter-spacing:-.035em;font-weight:800}
h1 em{font-style:normal;color:var(--gold-deep);position:relative}
.hero-sub{margin-top:22px;font-size:16.5px;color:var(--muted);line-height:1.8;max-width:520px}
.hero-sub b{color:var(--ink);font-weight:600}
.cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{margin-top:22px;display:flex;gap:8px 20px;flex-wrap:wrap;font-size:12.5px;color:var(--muted2)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--gold)}

/* ---------- 产品界面 ---------- */
.shot{position:relative}
.win{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 30px 70px -20px rgba(36,40,47,.28), 0 2px 6px rgba(36,40,47,.06)}
.winbar{height:38px;display:flex;align-items:center;gap:7px;padding:0 14px;background:#FAF8F3;border-bottom:1px solid var(--line2)}
.winbar i{width:9px;height:9px;border-radius:50%;background:#E0DCCF}
.winbar i:nth-child(1){background:#F0B3A8}.winbar i:nth-child(2){background:#F2D9A0}.winbar i:nth-child(3){background:#BBD9BC}
.winbar span{margin-left:8px;font-size:11.5px;color:var(--muted2);letter-spacing:.02em}
.winbody{display:grid;grid-template-columns:158px 1fr;min-height:330px}
.side{background:#FAF8F3;border-right:1px solid var(--line2);padding:14px 10px}
.side-h{font-size:10px;letter-spacing:.12em;color:var(--muted2);padding:2px 8px 6px;font-weight:600}
.side-i{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);padding:6px 8px;border-radius:8px;margin-bottom:2px}
.side-i.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 4px rgba(36,40,47,.07)}
.av{width:18px;height:18px;border-radius:6px;background:var(--ink);color:#FFD76B;font-size:9px;
  display:flex;align-items:center;justify-content:center;flex:none;font-weight:700}
.av.s2{background:var(--ink2)}.av.s3{background:#B58B2A;color:#fff}
.stage{padding:16px 18px;display:flex;flex-direction:column;gap:9px;background:#fff}
.stage-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}
.stage-top b{font-size:13.5px;font-weight:700}
.run{font-size:10.5px;color:#1F7A4D;background:#E8F6EE;border:1px solid #C9E9D8;padding:2px 8px;border-radius:999px;font-weight:600}
.bubble{font-size:11.8px;line-height:1.65;padding:8px 11px;border-radius:10px;max-width:92%}
.bubble.user{align-self:flex-end;background:var(--gold-soft);border:1px solid #F3E3BC;color:#5A4410}
.bubble.ai{align-self:flex-start;background:#F7F5F0;border:1px solid var(--line2);color:var(--ink2)}
.step{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--muted)}
.step i{width:14px;height:14px;border-radius:50%;background:#E8F6EE;color:#1F7A4D;font-size:9px;
  display:flex;align-items:center;justify-content:center;font-style:normal;flex:none}
.done-chip{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;
  color:#1F7A4D;background:#E8F6EE;border:1px solid #C9E9D8;padding:6px 11px;border-radius:9px;align-self:flex-start}
.done-chip span{width:6px;height:6px;border-radius:50%;background:#25A163}

/* ---------- 模块网格 ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
.sec.alt .card{background:#fff}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:#DCD6C7}
.card .cn{font-size:16px;font-weight:700;margin-bottom:9px;letter-spacing:-.01em}
.card .cd{font-size:13.5px;color:var(--muted);line-height:1.78}
.card .cd b{color:var(--ink);font-weight:600}
.card .tag{display:inline-block;font-size:11px;font-weight:600;color:var(--gold-deep);
  background:var(--gold-soft);border-radius:5px;padding:2px 7px;margin-bottom:11px}

/* ---------- 协作 ---------- */
.roles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:38px}
.role{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;text-align:center}
.role .rn{font-size:14px;font-weight:700;margin-bottom:5px}
.role .rd{font-size:12px;color:var(--muted2)}
.role.main{background:var(--ink);border-color:var(--ink)}
.role.main .rn{color:#fff}.role.main .rd{color:rgba(255,255,255,.62)}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow .f{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.flow .f b{display:block;font-size:14.5px;margin-bottom:7px}
.flow .f span{font-size:13px;color:var(--muted);line-height:1.75}
.flow .f i{display:inline-flex;width:22px;height:22px;border-radius:7px;background:var(--gold-soft);
  color:var(--gold-deep);font-style:normal;font-size:11.5px;font-weight:700;align-items:center;justify-content:center;margin-bottom:12px}

/* ---------- 真动手 ---------- */
.blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.block .bk{font-size:11.5px;font-weight:700;color:var(--gold-deep);letter-spacing:.06em;margin-bottom:10px}
.block h3{font-size:18px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em}
.block ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.block li{font-size:13px;color:var(--muted);line-height:1.7;display:flex;gap:8px;align-items:flex-start}
.block li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:7px;flex:none}

/* ---------- 手机 / 远程 ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center}
.phone{width:266px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:32px;
  padding:12px 10px;box-shadow:0 30px 60px -24px rgba(36,40,47,.30)}
.phone-top{display:flex;justify-content:space-between;font-size:11px;color:var(--muted2);padding:4px 12px 8px}
.phone-body{background:#FAF8F3;border-radius:24px;padding:14px 12px;min-height:300px}
.msg{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:11px 12px;margin-bottom:9px}
.msg .mt{font-size:11px;color:var(--muted2);margin-bottom:4px;display:flex;justify-content:space-between}
.msg .mm{font-size:12px;color:var(--ink2);line-height:1.6}
.msg .bar{height:4px;border-radius:2px;background:#EDE9DE;margin-top:8px;overflow:hidden}
.msg .bar i{display:block;height:100%;width:62%;background:var(--gold)}
.msg.done .mt b{color:#1F7A4D}
.list4{display:flex;flex-direction:column;gap:16px}
.list4 .it{display:flex;gap:12px;align-items:flex-start}
.list4 .it i{width:20px;height:20px;border-radius:6px;background:var(--gold-soft);color:var(--gold-deep);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:10px;font-weight:700;flex:none;margin-top:2px}
.list4 .it b{display:block;font-size:14.5px;margin-bottom:4px}
.list4 .it span{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 三阶 ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  display:flex;flex-direction:column;position:relative;transition:.2s}
.lc:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.lc.top{border-color:#EBCF87;box-shadow:0 14px 40px rgba(255,197,61,.20)}
.lc .lt{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.lc .lt small{display:block;font-size:12.5px;font-weight:500;color:var(--muted2);letter-spacing:0;margin-top:6px}
.lc h3{font-size:17px;font-weight:700;margin:16px 0 10px}
.lc p{font-size:13.5px;color:var(--muted);line-height:1.78;flex:1}
.lc .who{margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted2)}
.lc .go{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--gold-deep)}
.lc .go:hover{text-decoration:underline}
.badge{position:absolute;top:22px;right:22px;font-size:11px;font-weight:700;color:#241703;
  background:var(--gold);padding:3px 9px;border-radius:6px}

/* ---------- 下载 ---------- */
.dl{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
.dcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column}
.dcard .os{font-size:15px;font-weight:700;margin-bottom:5px}
.dcard .meta{font-size:12px;color:var(--muted2);line-height:1.6;margin-bottom:16px;flex:1}
.dcard .dl-btn{display:block;text-align:center;background:var(--ink);color:#fff;border-radius:10px;
  padding:11px;font-size:13.5px;font-weight:600}
.dcard .dl-btn:hover{background:var(--gold);color:#241703}
.dcard .dl-2{margin-top:9px;font-size:11.5px;color:var(--muted2);text-align:center}
.dcard .dl-2:hover{color:var(--gold-deep)}
.dcard.soon{background:#FAF8F3}
.dcard.soon .dl-btn{background:#E9E4D8;color:#9A9182;pointer-events:none}

.price{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.pc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.pc .pn{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.pc .pn span{font-size:10.5px;font-weight:700;color:var(--gold-deep);background:var(--gold-soft);
  border:1px solid #F3E3BC;padding:2px 7px;border-radius:5px}
.pc .pp{font-size:30px;font-weight:800;letter-spacing:-.03em;margin:12px 0 4px}
.pc .pp small{font-size:13px;font-weight:500;color:var(--muted2);letter-spacing:0;margin-left:6px}
.pc .pd{font-size:12.5px;color:var(--muted2);margin-bottom:16px}
.pc ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.pc li{font-size:13px;color:var(--muted);display:flex;gap:8px}
.pc li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:7px;flex:none}
.pc li b{color:var(--ink);font-weight:600}
.ent{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--muted)}
.ent b{color:var(--ink)}
.ent a{margin-left:auto;color:var(--gold-deep);font-weight:700}
.notes{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;font-size:12.5px;color:var(--muted);line-height:1.7}
.note b{color:var(--ink)}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#fff;padding:56px 0 32px;margin-top:0}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot .fb img{width:30px;height:30px;border-radius:8px;margin-bottom:12px}
.foot .fb p{font-size:13px;color:rgba(255,255,255,.60);line-height:1.75;max-width:270px}
.foot h4{font-size:12.5px;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.foot a{display:block;font-size:12.5px;color:rgba(255,255,255,.62);margin-bottom:9px}
.foot a:hover{color:var(--gold)}
.foot-base{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.45)}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero-in,.split{grid-template-columns:1fr;gap:40px}
  .grid3,.blocks,.ladder,.dl,.price,.notes{grid-template-columns:1fr}
  .roles{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .nav-links a.hide{display:none}
  .sec{padding:64px 0}
  .hero{padding:48px 0 60px}
}
@media(max-width:560px){
  .nav-links{gap:14px;font-size:13px}
  .brand small{display:none}
  .winbody{grid-template-columns:1fr}
  .side{display:none}
  .phone{width:100%;max-width:300px}
}
/* ============ 内页通用（v12 加入） ============ */
.page-hero{padding:64px 0 44px;background:linear-gradient(180deg,#FFFDF8 0%,#FBF9F4 100%);border-bottom:1px solid var(--line2)}
.page-hero h1{font-size:clamp(30px,3.6vw,42px)}
.page-hero p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8;max-width:640px}
.crumb{font-size:12.5px;color:var(--muted2);margin-bottom:16px}
.crumb a:hover{color:var(--gold-deep)}

/* 长文 */
.prose{max-width:820px}
.prose h2{font-size:clamp(22px,2.4vw,27px);margin:56px 0 8px;padding-top:8px}
.prose h2:first-child{margin-top:0}
.prose h2 .n{color:var(--gold-deep);font-size:15px;font-weight:800;letter-spacing:.04em;display:block;margin-bottom:6px}
.prose h3{font-size:16.5px;font-weight:700;margin:30px 0 10px}
.prose p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-bottom:12px}
.prose p b,.prose li b{color:var(--ink);font-weight:600}
.prose ul,.prose ol{margin:10px 0 14px 20px}
.prose li{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:6px}
.prose a{color:var(--gold-deep);font-weight:600}
.prose a:hover{text-decoration:underline}
.prose code{background:#F4F1E8;border:1px solid var(--line2);border-radius:5px;padding:1px 6px;font-size:12.5px;color:var(--ink2)}
.prose hr{border:none;border-top:1px solid var(--line2);margin:34px 0}
.callout{background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:15px 18px;margin:16px 0;font-size:13.5px;color:var(--muted);line-height:1.8}
.callout b{color:var(--ink)}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;margin:16px 0;font-size:13.5px;background:#fff;
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th{background:#FAF8F3;text-align:left;font-weight:700;color:var(--ink);padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--line2);color:var(--muted);vertical-align:top}
.tbl tr:last-child td{border-bottom:none}

/* FAQ 折叠 */
.faq{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:16px 0;font-size:14.5px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-deep);font-size:18px;font-weight:400;line-height:1;flex:none}
.faq details[open] summary::after{content:"−"}
.faq .fa{padding:0 0 18px;font-size:13.5px;color:var(--muted);line-height:1.85}
.faq .fa p{margin-bottom:8px}
.faq .fa b{color:var(--ink)}
.faq .fa a{color:var(--gold-deep);font-weight:600}
.faq .fa ul{margin:8px 0 8px 18px}
.faq .fa li{margin-bottom:5px}

/* 版本时间线 */
.rel{display:grid;grid-template-columns:132px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line2)}
.rel:last-child{border-bottom:none}
.rel .rv{font-size:19px;font-weight:800;letter-spacing:-.02em}
.rel .rd{font-size:12px;color:var(--muted2);margin-top:5px}
.rel .rtag{display:inline-block;font-size:10.5px;font-weight:700;color:var(--gold-deep);background:var(--gold-soft);
  border:1px solid #F3E3BC;border-radius:5px;padding:1px 7px;margin-top:8px}
.rel ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.rel li{font-size:13.5px;color:var(--muted);line-height:1.75;display:flex;gap:9px}
.rel li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:8px;flex:none}
.rel li b{color:var(--ink);font-weight:600}

/* 渠道卡 */
.chan{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chan .c{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px}
.chan .c h3{font-size:17px;font-weight:700;margin-bottom:8px}
.chan .c p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.chan .c a.act{display:inline-block;background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-size:13.5px;font-weight:600}
.chan .c a.act:hover{background:var(--gold);color:#241703}
@media(max-width:980px){.chan{grid-template-columns:1fr}.rel{grid-template-columns:1fr;gap:10px}}