:root{
  --canvas:#e7e4d6; --app:#f7f6ee; --surface:#ffffff; --rail:#f1f0e4; --board:#f4f2e7;
  --ink:#1b4332; --ink-body:#2c3a33; --ink-2:#52796f; --ink-3:#90a097;
  --line:#e7e2d2; --line-2:#dbd5c2;
  --green:#228b22; --green-deep:#1b4332; --green-tint:#e6f0e6; --green-tint-2:#d8e2dc; --sage:#84a98c;
  --offer:#4caf50; --amber:#c9881e; --duck:#f2a63b;
  --serif:'Fraunces','Noto Serif SC',Georgia,serif;
  --sans:'DM Sans','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  --r:18px; --pill:999px;
  --sh-card:0 1px 2px rgba(34,50,38,.04),0 10px 28px rgba(34,50,38,.06);
  --sh-card-h:0 4px 10px rgba(34,50,38,.07),0 18px 44px rgba(34,50,38,.12);
  --sh-float:0 12px 30px -8px rgba(27,67,50,.22),0 40px 80px -24px rgba(27,67,50,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--app); font-family:var(--sans); color:var(--ink-body);
  -webkit-font-smoothing:antialiased; line-height:1.5;
  background-image:
    radial-gradient(1100px 600px at 88% -8%, rgba(34,139,34,.10), transparent 60%),
    radial-gradient(900px 520px at -6% 12%, rgba(132,169,140,.16), transparent 58%);
}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1220px;margin:0 auto;padding:0 32px}

/* ── 顶栏 ───────────────────────────── */
.top{position:sticky;top:0;z-index:40;backdrop-filter:saturate(1.1) blur(8px);
  background:rgba(247,246,238,.72);border-bottom:1px solid rgba(231,226,210,.7)}
.top .wrap{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-m{width:34px;height:34px;border-radius:11px;background:var(--green);flex:none;display:flex;align-items:center;justify-content:center;box-shadow:0 5px 12px -3px rgba(34,139,34,.55)}
.logo-m svg{width:25px;height:auto}
.oy-wm{font-family:'Nunito',var(--sans);font-weight:900;letter-spacing:-.02em;font-size:21px;line-height:1}
.oy-wm .o{color:var(--green-deep)}
.oy-wm .y{color:var(--green)}
.top nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.top nav a{font-size:14px;font-weight:500;color:var(--ink-2);text-decoration:none;padding:8px 13px;border-radius:var(--pill);transition:.15s}
.top nav a:hover{background:#ecebdd;color:var(--ink)}
.top .nav-dl{margin-left:8px;background:var(--green);color:#fff;font-weight:600;padding:9px 18px;box-shadow:0 5px 13px -4px rgba(34,139,34,.55)}
.top .nav-dl:hover{background:#1e7a1e;color:#fff}

/* ── HERO ───────────────────────────── */
.hero{display:grid;grid-template-columns:0.94fr 1.06fr;gap:56px;align-items:center;padding:60px 0 30px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--ink-2);background:var(--green-tint);border:1px solid #cfe3cf;border-radius:var(--pill);padding:6px 14px}
.eyebrow .d{font-size:14px;line-height:1}
h1.head{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(38px,4.4vw,58px);line-height:1.06;letter-spacing:-.01em;margin:18px 0 0}
h1.head .accent{color:var(--green);font-style:italic}
.lead{font-size:17px;line-height:1.62;color:var(--ink-body);margin-top:18px;max-width:460px}
.lead b{color:var(--ink);font-weight:600}
.pillchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pchip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--pill);padding:6px 13px}
.pchip svg{width:15px;height:15px;stroke-width:1.9;color:var(--green)}

/* 下载按钮 */
.dlrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-dl{display:inline-flex;align-items:center;gap:11px;border:none;cursor:pointer;font-family:var(--sans);
  border-radius:14px;padding:14px 22px;font-size:15px;font-weight:600;transition:.16s}
.btn-dl svg{width:22px;height:22px;flex:none}
.btn-dl .bt{display:flex;flex-direction:column;line-height:1.15;text-align:left}
.btn-dl .bt small{font-size:11px;font-weight:500;opacity:.72}
.btn-dl.primary{background:var(--green);color:#fff;box-shadow:0 10px 22px -7px rgba(34,139,34,.6)}
.btn-dl.primary:hover{background:#1e7a1e;transform:translateY(-2px)}
.btn-dl.alt{background:var(--surface);color:var(--ink);border:1px solid var(--line-2)}
.btn-dl.alt:hover{border-color:var(--sage);background:#fbfaf3;transform:translateY(-2px)}
.dl-note{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--ink-3)}
.dl-note svg{width:15px;height:15px;stroke-width:1.8;color:var(--sage);flex:none}

/* 产品图舞台 */
.stage{position:relative;min-height:480px}
.frame{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh-float)}
.frame .bar{height:30px;display:flex;align-items:center;gap:7px;padding:0 13px;background:var(--rail);border-bottom:1px solid var(--line)}
.frame .bar i{width:10px;height:10px;border-radius:50%}
.frame .bar i:nth-child(1){background:#d8a48f}.frame .bar i:nth-child(2){background:#e6c578}.frame .bar i:nth-child(3){background:#a8c9a8}
.frame .bar .u{margin-left:14px;font-size:11px;color:var(--ink-3);font-weight:500}
.shot-main{position:relative;z-index:2;transform:rotate(-1.4deg);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.shot-main:hover{transform:rotate(-1.4deg) translateY(-4px)}
.shot-float{position:absolute;z-index:3;width:66%;right:-56px;bottom:-46px;transform:rotate(4deg);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.shot-float:hover{transform:rotate(4deg) translateY(-4px)}
.cap{position:absolute;z-index:4;display:inline-flex;align-items:center;gap:7px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--pill);padding:7px 13px;box-shadow:var(--sh-card);
  font-size:12px;font-weight:600;color:var(--ink)}
.cap svg{width:14px;height:14px;stroke-width:2;color:var(--green)}
.cap.c1{top:-14px;left:-8px}
.cap.dark{top:auto;bottom:46%;right:3%;background:var(--green-deep);color:#fff;border-color:transparent;box-shadow:var(--sh-float);z-index:5}
.cap.dark svg{color:#8fd28f}

/* ── 通用分区 ───────────────────────── */
.section{padding:74px 0 8px}
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head h2{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(28px,3.1vw,40px);line-height:1.12;letter-spacing:-.01em}
.sec-head p{font-size:16px;color:var(--ink-2);margin-top:14px;line-height:1.6}

/* 功能分区 */
.feat{display:grid;grid-template-columns:1fr 1.18fr;gap:54px;align-items:center;padding:36px 0}
.feat.rev{grid-template-columns:1.18fr 1fr}
.feat.rev .ftext{order:2}.feat.rev .fimg{order:1}
.fnum{font-family:var(--serif);font-size:14px;font-weight:600;color:var(--green);letter-spacing:.04em}
.ftag{display:inline-flex;align-items:center;gap:9px;margin:10px 0 4px;font-family:var(--serif);font-size:25px;font-weight:600;color:var(--ink)}
.ficon{width:34px;height:34px;border-radius:10px;background:var(--green-tint);border:1px solid #cfe3cf;display:flex;align-items:center;justify-content:center;flex:none}
.ficon svg{width:19px;height:19px;stroke-width:1.9;color:var(--green)}
.feat p{font-size:15.5px;line-height:1.66;color:var(--ink-body);margin-top:12px;max-width:440px}
.feat ul{list-style:none;margin:16px 0 0;display:flex;flex-direction:column;gap:9px}
.feat li{display:flex;gap:9px;font-size:14px;color:var(--ink-2)}
.feat li svg{width:17px;height:17px;stroke-width:2;color:var(--green);flex:none;margin-top:2px}
.fimg .frame{transform:rotate(1deg)}
.feat.rev .fimg .frame{transform:rotate(-1deg)}
/* 面试辅助：让这张实拍「活」起来——轻微上下浮动 + 绿色呼吸光晕 + 实时徽标闪烁 */
.feat-live .fimg{position:relative}
.feat-live .fimg .frame{animation:liveFloat 3.8s ease-in-out infinite,liveGlow 2.6s ease-in-out infinite}
@keyframes liveFloat{0%,100%{transform:rotate(-1deg) translateY(0)}50%{transform:rotate(-1deg) translateY(-12px)}}
@keyframes liveGlow{0%,100%{box-shadow:var(--sh-float),0 0 0 0 rgba(34,139,34,0)}50%{box-shadow:var(--sh-float),0 0 40px 2px rgba(34,139,34,.30)}}
.live-badge{position:absolute;z-index:6;top:-13px;right:-8px;display:inline-flex;align-items:center;gap:7px;background:var(--green-deep);color:#fff;font-size:12px;font-weight:600;padding:6px 13px;border-radius:var(--pill);box-shadow:var(--sh-card)}
.live-badge i{width:7px;height:7px;border-radius:50%;background:#5dbb63;animation:liveBlink 1.4s ease-in-out infinite}
@keyframes liveBlink{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(93,187,99,.7)}50%{opacity:.45;box-shadow:0 0 0 6px rgba(93,187,99,0)}}
@media(prefers-reduced-motion:reduce){.feat-live .fimg .frame{animation:none}.live-badge i{animation:none}}

/* 更多能力 */
.more{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px}
.mcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-card);transition:.2s}
.mcard:hover{box-shadow:var(--sh-card-h);transform:translateY(-3px)}
.mcard .frame{border:none;border-radius:0;box-shadow:none}
.mcard .frame .bar{border-radius:0}
.mcard .mc-body{padding:18px 20px 20px}
.mcard .mc-t{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink)}
.mcard .mc-t svg{width:17px;height:17px;stroke-width:1.9;color:var(--green)}
.mcard p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.6}

/* ── 价格 ───────────────────────────── */
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.price{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;display:flex;flex-direction:column;transition:.2s;position:relative}
.price:hover{box-shadow:var(--sh-card-h);transform:translateY(-3px)}
.price.hot{border-color:var(--green);box-shadow:0 0 0 1px var(--green),var(--sh-card)}
.price .badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;font-size:11.5px;font-weight:700;padding:4px 12px;border-radius:var(--pill)}
.price .pn{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink)}
.price .pd{font-size:12.5px;color:var(--ink-3);margin-top:4px;min-height:32px}
.price .amt{margin:14px 0 2px;display:flex;align-items:baseline;gap:3px}
.price .amt .cur{font-size:19px;font-weight:600;color:var(--ink)}
.price .amt .num{font-family:var(--serif);font-size:40px;font-weight:600;color:var(--ink);line-height:1}
.price .amt .per{font-size:13px;color:var(--ink-3)}
.price ul{list-style:none;margin:16px 0 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.price li{display:flex;gap:8px;font-size:13.5px;color:var(--ink-2);line-height:1.45}
.price li svg{width:16px;height:16px;stroke-width:2;color:var(--green);flex:none;margin-top:1px}
.price .pbtn{border:1px solid var(--line-2);background:var(--rail);border-radius:12px;padding:11px;text-align:center;
  font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.16s;text-decoration:none;display:block}
.price .pbtn:hover{background:#ecebdd;border-color:var(--sage)}
.price.hot .pbtn{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 8px 18px -6px rgba(34,139,34,.5)}
.price.hot .pbtn:hover{background:#1e7a1e}
.pricenote{text-align:center;font-size:13px;color:var(--ink-3);margin-top:24px}

/* ── 下载区 ─────────────────────────── */
.download{padding:76px 0 8px}
.dlcard{background:linear-gradient(135deg,#1b4332,#228b22);border-radius:26px;padding:54px 48px;color:#fff;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.dlcard::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 82% -20%,rgba(255,255,255,.14),transparent 60%);pointer-events:none}
.dlcard .dl-l{position:relative}
.dlcard h2{font-family:var(--serif);font-size:clamp(26px,3vw,38px);font-weight:600;line-height:1.14}
.dlcard p{font-size:15.5px;opacity:.92;margin-top:14px;line-height:1.6;max-width:420px}
.dlcard .dlrow{margin-top:26px}
.dlcard .btn-dl.primary{background:#fff;color:var(--green-deep);box-shadow:0 12px 26px -8px rgba(0,0,0,.32)}
.dlcard .btn-dl.primary:hover{background:#f3f7f2}
.dlcard .btn-dl.alt{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.32)}
.dlcard .btn-dl.alt:hover{background:rgba(255,255,255,.2)}
.speclist{list-style:none;display:flex;flex-direction:column;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:22px 24px;position:relative}
.speclist li{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:rgba(255,255,255,.92);line-height:1.5}
.speclist li svg{width:18px;height:18px;stroke-width:2;color:#9fe09f;flex:none;margin-top:1px}
.speclist li b{color:#fff;font-weight:600}

/* ── 关于我们 ───────────────────────── */
.about{max-width:760px;margin:0 auto;text-align:center;padding:10px 0}
.about h2{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(26px,3vw,36px);line-height:1.14}
.about .en{font-size:13px;color:var(--ink-3);margin-top:8px;letter-spacing:.03em}
.about p{font-size:15.5px;line-height:1.74;color:var(--ink-body);margin-top:16px}
.about p b{color:var(--ink);font-weight:600}

footer{text-align:center;padding:52px 0 56px;color:var(--ink-3);font-size:13px;margin-top:40px;border-top:1px solid var(--line)}
footer .fbrand{display:inline-flex;align-items:center;gap:9px;margin-bottom:12px}
footer .fbrand .logo-m{width:30px;height:30px;border-radius:9px}
footer .fbrand .logo-m svg{width:22px}
footer .fbrand .oy-wm{font-size:18px}
footer a{color:var(--ink-2);text-decoration:none}footer a:hover{color:var(--green)}
footer .sep{margin:0 8px;color:var(--line-2)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* toast */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:var(--green-deep);color:#fff;
  padding:13px 22px;border-radius:var(--pill);font-size:14px;font-weight:500;box-shadow:var(--sh-float);opacity:0;pointer-events:none;
  transition:.3s;z-index:80}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:980px){
  .hero{grid-template-columns:1fr;gap:36px;padding:44px 0 8px}
  .stage{min-height:auto;margin-top:8px}
  .shot-float{position:static;width:76%;margin:18px auto 0;transform:rotate(0)}
  .cap{display:none}
  .feat,.feat.rev{grid-template-columns:1fr;gap:26px}
  .feat.rev .ftext,.feat.rev .fimg{order:initial}
  .more{grid-template-columns:1fr}
  .prices{grid-template-columns:1fr 1fr}
  .dlcard{grid-template-columns:1fr;padding:40px 30px;gap:28px}
  .about{grid-template-columns:1fr;gap:26px}
  .top nav .hide{display:none}
}
@media(max-width:560px){ .prices{grid-template-columns:1fr} }

/* ── 全流程主叙事带 ───────────────── */
.journey{padding:64px 0 4px}
.journey-lead{max-width:740px;margin:0 auto 44px;text-align:center}
.journey-lead h2{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(26px,3.1vw,40px);line-height:1.14;letter-spacing:-.01em}
.journey-lead h2 .accent{color:var(--green);font-style:italic}
.journey-lead p{font-size:16px;color:var(--ink-2);margin-top:16px;line-height:1.62}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.flow::before{content:"";position:absolute;top:33px;left:9%;right:9%;height:2px;background:linear-gradient(90deg,var(--green-tint-2),var(--green) 50%,var(--green-tint-2));z-index:0;opacity:.7}
.fstep{position:relative;z-index:1;text-align:center;padding:0 4px}
.fstep .dot{width:54px;height:54px;margin:0 auto 15px;border-radius:16px;background:var(--surface);border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-card);transition:.22s}
.fstep:hover .dot{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--sh-card-h)}
.fstep .dot svg{width:24px;height:24px;stroke-width:1.8;color:var(--green)}
.fstep .st{font-family:var(--serif);font-size:15.5px;font-weight:600;color:var(--ink)}
.fstep .sd{font-size:12.5px;color:var(--ink-3);margin-top:5px;line-height:1.5}
@media(max-width:820px){
  .flow{grid-template-columns:1fr 1fr;gap:26px 14px}
  .flow::before{display:none}
}
@media(max-width:430px){ .flow{grid-template-columns:1fr;gap:18px} }

/* ── 功能 · 滚动播放 ──────────────── */
.story{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:start;margin-top:10px}
.story-stage{position:sticky;top:92px;height:min(74vh,540px);display:flex;align-items:center}
.story-stage .frame{width:100%;position:relative}
.story-imgs{position:relative;aspect-ratio:16/10;background:var(--rail)}
.story-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top left;opacity:0;transform:scale(1.02) translateY(10px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.2,1)}
.story-img.is-active{opacity:1;transform:none}
.story-badge{position:absolute;z-index:5;top:-13px;right:-8px;display:none;align-items:center;gap:7px;background:var(--green-deep);color:#fff;font-size:12px;font-weight:600;padding:6px 13px;border-radius:var(--pill);box-shadow:var(--sh-card)}
.story-badge.show{display:inline-flex}
.story-badge i{width:7px;height:7px;border-radius:50%;background:#5dbb63;animation:liveBlink 1.4s ease-in-out infinite}
.story-steps{display:flex;flex-direction:column}
.story-step{min-height:60vh;display:flex;flex-direction:column;justify-content:center;padding:22px 0;opacity:.4;transition:opacity .4s ease}
.story-step.is-active{opacity:1}
.story-step .fnum{font-family:var(--serif);font-size:14px;font-weight:600;color:var(--green);letter-spacing:.04em}
.story-step .ftag{display:inline-flex;align-items:center;gap:10px;margin:10px 0 2px;font-family:var(--serif);font-size:24px;font-weight:600;color:var(--ink)}
.story-step .ficon{width:36px;height:36px;border-radius:11px;background:var(--green-tint);border:1px solid #cfe3cf;display:flex;align-items:center;justify-content:center;flex:none}
.story-step .ficon svg{width:20px;height:20px;stroke-width:1.9;color:var(--green)}
.story-step p{font-size:15.5px;line-height:1.66;color:var(--ink-body);margin-top:12px;max-width:460px}
.story-step ul{list-style:none;margin:16px 0 0;display:flex;flex-direction:column;gap:9px}
.story-step li{display:flex;gap:9px;font-size:14px;color:var(--ink-2)}
.story-step li svg{width:17px;height:17px;stroke-width:2;color:var(--green);flex:none;margin-top:2px}
.story-progress{display:flex;gap:6px;margin-top:24px;max-width:280px}
.story-progress i{height:3px;flex:1;border-radius:2px;background:var(--line-2);transition:.35s}
.story-progress i.on{background:var(--green)}
.story-step .step-img{display:none}
@media(max-width:900px){
  .story{grid-template-columns:1fr;gap:0}
  .story-stage{display:none}
  .story-step{min-height:auto;opacity:1;padding:6px 0 34px}
  .story-step .story-progress{display:none}
  .story-step .step-img{display:block;margin-top:18px;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
  .story-step .step-img img{width:100%;display:block}
}
@media(prefers-reduced-motion:reduce){
  .story-img{transition:none}
  .story-badge i{animation:none}
}

/* ── 用户反馈 ─────────────────────── */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;box-shadow:var(--sh-card);display:flex;flex-direction:column;transition:.2s}
.voice:hover{box-shadow:var(--sh-card-h);transform:translateY(-3px)}
.voice .q{font-size:15px;line-height:1.68;color:var(--ink-body);flex:1}
.voice .who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.voice .av{width:40px;height:40px;border-radius:50%;background:var(--green-tint);color:var(--green-deep);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:600;font-size:16px;flex:none}
.voice .nm{font-size:14px;font-weight:600;color:var(--ink)}
.voice .rl{font-size:12.5px;color:var(--ink-3);margin-top:2px}
@media(max-width:820px){ .voices{grid-template-columns:1fr;max-width:520px;margin:0 auto} }

/* ── FAQ ─────────────────────────── */
.faq{max-width:760px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:.2s}
.faq details[open]{box-shadow:var(--sh-card);border-color:var(--line-2)}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{margin-left:auto;width:18px;height:18px;stroke-width:2;color:var(--ink-3);transition:transform .25s;flex:none}
.faq details[open] summary .chev{transform:rotate(180deg);color:var(--green)}
.faq .fa{padding:0 22px 20px;font-size:14.5px;line-height:1.72;color:var(--ink-2)}
.faq .fa b{color:var(--ink);font-weight:600}

/* ── 价格周期切换 ─────────────────── */
.cycle-wrap{display:flex;justify-content:center;margin:-6px 0 20px}
.cycle-tabs{display:inline-flex;gap:4px;background:var(--rail);border:1px solid var(--line-2);border-radius:var(--pill);padding:5px}
.ctab{border:none;background:transparent;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink-2);padding:9px 20px;border-radius:var(--pill);cursor:pointer;transition:.18s;display:inline-flex;align-items:center;gap:8px}
.ctab:hover{color:var(--ink)}
.ctab.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-card)}
.ctab .save{font-size:11px;font-weight:700;color:#fff;background:var(--green);border-radius:var(--pill);padding:2px 8px}
@media(max-width:560px){.ctab{padding:9px 14px;font-size:13px}.ctab .save{display:none}}
.price-hint{text-align:center;font-size:13.5px;color:var(--ink-2);margin:0 auto 34px;max-width:600px;display:flex;align-items:center;justify-content:center;gap:8px;min-height:20px;line-height:1.55;padding:0 20px}
.price-hint svg{width:16px;height:16px;stroke-width:1.9;color:var(--green);flex:none}
.price .pd{min-height:52px}

/* ── 关于页 ───────────────────────── */
.about-hero{max-width:820px;margin:0 auto;text-align:center;padding:8px 0 6px}
.about-hero .en{font-size:13px;color:var(--ink-3);letter-spacing:.04em;margin-bottom:14px}
.about-hero h1{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(30px,3.7vw,48px);line-height:1.1;letter-spacing:-.01em}
.about-hero h1 .accent{color:var(--green);font-style:italic}
.about-hero p{font-size:17px;line-height:1.66;color:var(--ink-body);margin-top:20px;max-width:600px;margin-left:auto;margin-right:auto}
.about-story{max-width:700px;margin:0 auto}
.about-story p{font-size:16px;line-height:1.85;color:var(--ink-body);margin-top:18px}
.about-story p:first-child{margin-top:0}
.about-story p b{color:var(--ink);font-weight:600}
.beliefs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.belief{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--sh-card);transition:.2s}
.belief:hover{box-shadow:var(--sh-card-h);transform:translateY(-3px)}
.belief .bi{width:44px;height:44px;border-radius:12px;background:var(--green-tint);border:1px solid #cfe3cf;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.belief .bi svg{width:22px;height:22px;stroke-width:1.9;color:var(--green)}
.belief h3{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);line-height:1.3}
.belief p{font-size:14.5px;line-height:1.7;color:var(--ink-2);margin-top:10px}
.notdo{max-width:700px;margin:0 auto;background:var(--board);border:1px solid var(--line);border-radius:var(--r);padding:28px 32px}
.notdo h3{font-family:var(--serif);font-size:21px;font-weight:600;color:var(--ink);margin-bottom:14px}
.notdo ul{list-style:none}
.notdo li{display:flex;gap:11px;font-size:15px;color:var(--ink-body);line-height:1.62;padding:8px 0}
.notdo li svg{width:19px;height:19px;stroke-width:2;color:var(--green);flex:none;margin-top:3px}
.notdo li b{color:var(--ink);font-weight:600}
.about-cta{text-align:center;max-width:640px;margin:0 auto}
.about-cta h2{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(24px,2.8vw,34px);line-height:1.16}
.about-cta p{font-size:15.5px;color:var(--ink-2);margin:14px 0 26px;line-height:1.6}
.about-cta .cta-btn{display:inline-flex;align-items:center;gap:9px;background:var(--green);color:#fff;font-family:var(--sans);font-weight:600;font-size:15px;padding:14px 28px;border-radius:14px;text-decoration:none;box-shadow:0 10px 22px -7px rgba(34,139,34,.6);transition:.16s}
.about-cta .cta-btn:hover{background:#1e7a1e;transform:translateY(-2px);color:#fff}
.about-cta .cta-btn svg{width:19px;height:19px;stroke-width:2}
@media(max-width:820px){ .beliefs{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto} }

/* 移动端顶栏：防止导航项被挤成竖排单字 */
@media(max-width:560px){
  .top .wrap{height:auto;min-height:58px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px;row-gap:4px}
  .top nav{gap:1px;flex-wrap:nowrap}
  .top nav a{font-size:13px;padding:6px 9px;white-space:nowrap}
  .top .nav-dl{padding:7px 12px}
}

/* 未签名分发的安装指引（download.html）。用中性提示色而非报警红——
   这是系统对所有未公证应用的常规提示，不是错误，语气上不该吓到用户。 */
.installnote{max-width:780px;margin:26px auto 0;padding:20px 24px;background:var(--surface);
  border:1px solid var(--line-2);border-radius:16px}
.installnote h3{font-size:16px;font-weight:700;color:var(--ink);margin:0 0 10px}
.installnote p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0 0 10px}
.installnote ol{margin:0 0 10px;padding-left:20px}
.installnote li{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.installnote b{color:var(--ink);font-weight:600}
.installnote .tiny{font-size:12.5px;color:var(--ink-3);margin:0}