/* 岩土work · 对外首页（没登录时打开网址看到的） */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: saturate(180%) blur(20px);
       border-bottom: 1px solid color-mix(in srgb, var(--ink) 7%, transparent); }
.top .wrap { height: 58px; display: flex; align-items: center; gap: 36px; }
.nav { display: flex; gap: 28px; font-size: 14.5px; }
.nav a { color: var(--sub); } .nav a:hover { color: var(--ink); text-decoration: none; }
.top .right { margin-left: auto; display: flex; gap: 18px; align-items: center; font-size: 14.5px; }
.top .login-txt { color: var(--ink); }

/* 首屏 */
.hero { text-align: center; padding: 84px 0 70px; overflow: hidden;
        background: radial-gradient(1000px 500px at 50% 0%, color-mix(in srgb, var(--acc) 9%, var(--bg)) 0%, var(--bg) 70%); }
.eyebrow { font-weight: 600; font-size: 17px; color: var(--acc); }
.hero h1 { font-size: 76px; line-height: 1.07; font-weight: 800; letter-spacing: -.035em; margin: 16px auto 20px; }
.hero h1 .g { background: linear-gradient(90deg, #0071e3, #34aadc 60%, #30b0a6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 21px; line-height: 1.55; color: var(--sub); max-width: 720px; margin: 0 auto; letter-spacing: -.015em; }
.cta { display: flex; justify-content: center; align-items: center; gap: 26px; margin-top: 32px; flex-wrap: wrap; }
.link { font-size: 17px; }
.note { margin-top: 18px; font-size: 14px; color: var(--dim); }

/* 设备组合（示意，不是截图） */
.devices { position: relative; max-width: 1040px; margin: 64px auto 0; height: 560px; text-align: left; }
.mac { position: absolute; left: 40px; right: 120px; top: 0; }
.mac .lid { border-radius: 22px 22px 0 0; background: #1d1d1f; padding: 14px 14px 0; box-shadow: 0 40px 80px -30px rgba(0, 30, 80, .35); }
.mac .scr { border-radius: 10px 10px 0 0; background: #f5f5f7; color: #1d1d1f; height: 500px; overflow: hidden; }
.mac .base { height: 18px; margin: 0 -40px; border-radius: 0 0 16px 16px; background: linear-gradient(#e3e3e6, #c7c7cc); position: relative; }
.mac .base::after { content: ""; position: absolute; left: 50%; top: 0; width: 120px; height: 7px; transform: translateX(-50%); border-radius: 0 0 8px 8px; background: #b5b5ba; }
.iphone { position: absolute; right: 30px; bottom: -40px; width: 250px; height: 516px; border-radius: 44px; background: #1d1d1f; padding: 9px; box-shadow: 0 40px 80px -24px rgba(0, 30, 80, .45); }
.iphone .scr { height: 100%; border-radius: 36px; overflow: hidden; background: #f5f5f7; color: #1d1d1f; position: relative; font-size: 11.5px; }
.iphone .isl { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 78px; height: 23px; border-radius: 13px; background: #000; z-index: 3; }
.mini-top { height: 40px; display: flex; align-items: center; gap: 18px; padding: 0 18px; background: rgba(255, 255, 255, .92); border-bottom: 1px solid #e8e8ed; font-size: 12px; color: #424245; }
.mini-top b, .ph-top b { font-weight: 700; color: #1d1d1f; } .mini-top b span, .ph-top b span { color: #0071e3; }
.mini-top .on { color: #0071e3; font-weight: 600; }
.av { margin-left: auto; width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(160deg, #42a5ff, #0060d1); color: #fff; display: grid; place-items: center;
      font: 600 11px/1 var(--sans); font-style: normal; }
.mini-hd { display: flex; align-items: center; gap: 12px; padding: 16px 18px 0; }
.mi { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; } .mi svg { width: 21px; height: 21px; }
.mini-hd small { display: block; font-size: 11px; color: #86868b; } .mini-hd b { font: 700 19px/1.2 var(--sans); letter-spacing: -.02em; }
.mseg { margin-left: auto; display: flex; background: #e3e3e8; border-radius: 9px; padding: 2px; font-size: 11px; }
.mseg span { padding: 5px 11px; border-radius: 7px; color: #3a3a3c; } .mseg .on { background: #fff; font-weight: 600; box-shadow: 0 1px 4px rgba(0, 0, 0, .12); }
.mini-body { display: grid; grid-template-columns: 1.15fr 1fr; gap: 14px; padding: 16px 18px; }
.mcard { background: #fff; border-radius: 14px; padding: 12px 14px; box-shadow: 0 1px 3px rgba(0, 0, 0, .05); }
.mcard + .mcard { margin-top: 11px; }
.mcard h5 { font: 600 12.5px/1 var(--sans); margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.mcard h5 i { width: 18px; height: 18px; border-radius: 50%; background: #0071e3; color: #fff; font: 600 10px/18px var(--sans); text-align: center; font-style: normal; }
.mcard h5 em { margin-left: auto; font-style: normal; font-weight: 400; color: #bf4800; font-size: 10.5px; }
.mdrop { border: 1.5px dashed #d2d2d7; border-radius: 10px; padding: 11px; text-align: center; font-size: 11.5px; color: #6e6e73; }
.mfile { margin-top: 8px; display: flex; align-items: center; gap: 8px; font-size: 11px; padding: 7px 8px; border-radius: 9px; background: #f5f5f7; }
.mfile .nm { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mext { flex: none; font: 600 9px/1 var(--mono); padding: 5px 4px; border-radius: 5px; background: #e8f1fc; color: #0071e3; }
.okc { color: #1d8a4e; }
.mrow { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; font-size: 11px; border-bottom: 1px solid #e8e8ed; }
.mrow.last { border: 0; } .mrow .v { color: #6e6e73; } .mrow .lk { color: #0071e3; }
.mrow .sw { width: 30px; height: 18px; border-radius: 9px; background: #34c759; position: relative; }
.mrow .sw::after { content: ""; position: absolute; top: 2px; right: 2px; width: 14px; height: 14px; border-radius: 50%; background: #fff; }
.mbtn { background: #0071e3; color: #fff; border-radius: 999px; text-align: center; padding: 9px; font-size: 12px; font-weight: 500; }
.mbtn.ph { margin: 10px 10px 0; }
.map { width: 100%; height: auto; margin-top: 10px; border-radius: 10px; background: #eef3f8; }
.ph-top { padding: 44px 14px 0; display: flex; justify-content: space-between; align-items: center; font-size: 15px; }
.ph-top .av { margin: 0; width: 24px; height: 24px; }
.ph-title { padding: 14px 14px 0; } .ph-title small { display: block; font-size: 10px; color: #86868b; } .ph-title b { font: 700 19px/1.25 var(--sans); letter-spacing: -.02em; }
.iphone .mcard { margin: 11px 10px 0; }
.ph-tab { position: absolute; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(250, 250, 252, .94);
          border-top: 1px solid rgba(0, 0, 0, .08); padding: 8px 0 18px; font-size: 9.5px; text-align: center; color: #8e8e93; }
.ph-tab b { color: #0071e3; }

/* 通用区块 */
section.blk { padding: 120px 0 0; }
section.gray { background: var(--bg2); padding: 110px 0 120px; margin-top: 130px; }
.hd-c { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.hd-c.left { text-align: left; margin: 0; }
.hd-c .k { font-weight: 600; font-size: 17px; color: var(--acc); }
.hd-c h2, .end h2 { font-size: 52px; line-height: 1.1; font-weight: 800; letter-spacing: -.03em; margin: 14px 0 0; }
.hd-c p { font-size: 19px; color: var(--sub); margin: 16px 0 0; }

/* 工具一览 */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.secttl { grid-column: 1 / -1; font-weight: 600; font-size: 14px; color: var(--dim); margin: 18px 0 -2px 4px; letter-spacing: .02em; }
.app { background: var(--card); border-radius: 22px; padding: 26px 26px 22px; box-shadow: var(--sh1); display: flex; flex-direction: column; transition: .25s;
       min-height: 228px; color: var(--ink); text-decoration: none !important; }
a.app:hover { transform: translateY(-4px); box-shadow: var(--sh2); }
.app .meta { display: flex; justify-content: space-between; align-items: center; }
.app .tagl { font-size: 12.5px; font-weight: 600; color: var(--ok); background: var(--ok-soft); padding: 4px 10px; border-radius: 999px; }
.app .sect { margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--dim); }
.app h3 { font-size: 22px; line-height: 1.3; letter-spacing: -.02em; margin: 4px 0 0; }
.app .acts-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.app .acts-row span { font-size: 12.5px; padding: 3px 9px; border-radius: 7px; background: var(--bg2); color: var(--sub); }
.app p { font-size: 15px; color: var(--sub); margin: 6px 0 0; flex: 1; line-height: 1.6; }
.app .io { margin-top: 16px; font: 500 12.5px/1.4 var(--mono); color: var(--dim); }
.app.soon { background: var(--bg3); box-shadow: none; border: 1px solid var(--line2); }
.app.soon .tagl { color: var(--acc-ink); background: var(--acc-soft); } .app.soon h3 { color: var(--sub); }
.app.soon .ticon { filter: grayscale(.85); opacity: .6; }

/* 工具图标（与应用本体同一套） */
.ticon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; color: #fff; flex: none; }
.ticon svg { width: 28px; height: 28px; }
.i-blue { background: linear-gradient(160deg, #42a5ff, #0060d1); } .i-green { background: linear-gradient(160deg, #4cd964, #1d9a52); }
.i-orange { background: linear-gradient(160deg, #ffb340, #ff7a00); } .i-teal { background: linear-gradient(160deg, #5ac8fa, #1a8fb8); }
.i-purple { background: linear-gradient(160deg, #b58cff, #7a3cff); } .i-indigo { background: linear-gradient(160deg, #7d8bff, #3f4fd8); }
.i-red { background: linear-gradient(160deg, #ff7a70, #e0352b); } .i-pink { background: linear-gradient(160deg, #ff8fb5, #e2437a); }
.i-gray { background: linear-gradient(160deg, #c7c7cc, #8e8e93); }

/* 三步 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { background: var(--card); border-radius: 22px; padding: 30px; box-shadow: var(--sh1); }
.step .n { font-size: 64px; line-height: 1; font-weight: 800; letter-spacing: -.04em; background: linear-gradient(180deg, #0071e3, #7ab8ff);
           -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { font-size: 24px; margin: 16px 0 8px; letter-spacing: -.02em; }
.step p { color: var(--sub); font-size: 16px; margin: 0; }

/* 手机 */
.mob { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.iphone.big { position: relative; right: auto; bottom: auto; margin: 0 auto; width: 290px; height: 600px; }
.feat { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 18px; }
.feat li { display: flex; gap: 14px; font-size: 17px; align-items: flex-start; }
.feat li i { flex: 0 0 30px; height: 30px; border-radius: 9px; background: var(--acc-soft); color: var(--acc); display: grid; place-items: center; font-style: normal; font-weight: 700; }

/* 保密 */
.big-num { text-align: center; margin-bottom: 50px; }
.big-num b { font-size: 120px; line-height: 1; font-weight: 800; letter-spacing: -.05em;
             background: linear-gradient(180deg, var(--ink), var(--sub)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.big-num span { display: block; font-size: 19px; color: var(--sub); margin-top: 10px; }
.safe { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.safe .t { background: var(--card); border-radius: 22px; padding: 28px 24px; box-shadow: var(--sh1); }
.safe .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--acc-soft); color: var(--acc); display: grid; place-items: center; }
.safe .ic svg { width: 24px; height: 24px; }
.safe h3 { font-size: 19px; margin: 18px 0 8px; letter-spacing: -.015em; }
.safe p { font-size: 15px; color: var(--sub); margin: 0; }

/* 常见问题 */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq summary { list-style: none; display: flex; align-items: center; cursor: pointer; font-weight: 600; font-size: 20px; letter-spacing: -.015em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary b { flex: 1; font-weight: 600; }
.faq summary::after { content: "+"; font-size: 30px; font-weight: 300; color: var(--acc); line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 0; color: var(--sub); }

.end { text-align: center; padding: 140px 0 110px; }
.end h2 { font-size: 64px; } .end p { font-size: 21px; color: var(--sub); margin: 16px 0 0; } .end .cta { margin-top: 34px; }
.foot { background: var(--bg2); border-top: 1px solid var(--line2); }

@media (max-width: 860px) {
  .wrap { padding: 0 20px; }
  .top .wrap { height: 54px; gap: 10px; }
  .nav, .top .login-txt { display: none; }
  .hero { padding: 54px 0 40px; }
  .hero h1 { font-size: 44px; } .lead { font-size: 18px; }
  .cta { flex-direction: column; gap: 16px; } .cta .btn { width: 100%; max-width: 340px; }
  .devices { height: 520px; margin-top: 46px; }
  .mac { left: -150px; right: 60px; } .mac .scr { height: 430px; }
  .iphone { right: 14px; bottom: -20px; width: 206px; height: 426px; border-radius: 38px; }
  section.blk { padding-top: 90px; } section.gray { margin-top: 90px; padding: 80px 0 90px; }
  .hd-c h2, .end h2 { font-size: 36px; } .hd-c { margin-bottom: 36px; } .hd-c p { font-size: 17px; }
  .apps, .steps, .safe, .mob { grid-template-columns: 1fr; }
  .app { min-height: 0; padding: 22px; }
  .mob { gap: 40px; } .iphone.big { width: 270px; height: 560px; }
  .big-num b { font-size: 84px; }
  .end { padding: 100px 0 80px; } .end p { font-size: 18px; }
}