:root{
  --navy:#0e1626;
  --navy-2:#16233a;
  --blue:#1f5fe0;
  --blue-soft:#4d8dff;
  --teal:#00b3a4;
  --ink:#1b2430;
  --muted:#6b7787;
  --line:#e6eaf0;
  --tint:#f5f7fb;
  --radius:14px;
  --wrap:1240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);
  font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
.wrap{width:min(100% - 36px,var(--wrap));margin-inline:auto}
.ico{width:14px;height:14px;fill:currentColor;flex:none}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--navy);color:#c9d4e4;font-size:13px}
.topbar__in{display:flex;align-items:center;gap:24px;height:38px}
.topbar__item{display:inline-flex;align-items:center;gap:7px}
.topbar__spacer{flex:1}
.topbar__btn{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:3px 14px;color:#fff;transition:.2s;
  background:transparent;cursor:pointer;font-size:13px;line-height:1.6;white-space:nowrap;flex:none}
.topbar__btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}

/* ---------- 头部 ---------- */
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.header__in{display:flex;align-items:center;gap:26px;height:78px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{width:42px;height:42px;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.6px}
.brand__sub{font-size:12px;color:var(--muted);letter-spacing:1px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav__link{position:relative;font-size:15px;padding:8px 2px;color:#39424f;white-space:nowrap}
.nav__link:hover,.nav__link.is-on{color:var(--blue)}
.nav__link.is-on::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue);border-radius:2px}
.navtoggle{display:none;margin-left:auto;width:42px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:8px 9px}
.navtoggle span{display:block;height:2px;background:#46505e;margin:3px 0;border-radius:2px}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 88% 18%,rgba(0,179,164,.28),transparent 62%),
    radial-gradient(760px 420px at 8% 92%,rgba(31,95,224,.42),transparent 64%),
    linear-gradient(180deg,#0e1626,#101d33)}
.hero__bg::after{content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px}
.hero__in{position:relative;display:grid;grid-template-columns:1.1fr .78fr;gap:48px;align-items:center;padding:66px 0 74px}
.hero__kicker{font-size:13px;letter-spacing:3px;color:#7fd8cd;margin-bottom:18px}
.hero__title{font-size:46px;line-height:1.22;letter-spacing:1.5px;font-weight:700}
.hero__sub{margin-top:22px;color:#b9c6da;font-size:16px;line-height:1.85}
.hero__cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 26px;
  border:0;border-radius:8px;font-size:15px;font-weight:600;transition:.2s;cursor:pointer;background:transparent}
.btn--primary{background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn--ghost{border:1px solid rgba(255,255,255,.4);color:#e8eefb}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.hero__stats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin:44px 0 0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.14)}
.hero__stats li b{display:block;font-size:23px;color:#fff;letter-spacing:.5px}
.hero__stats li span{font-size:12.5px;color:#93a3ba;line-height:1.6;display:block;margin-top:4px}
.hero__media{position:relative;margin:0;border-radius:20px;overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12)}
.hero__media img{width:100%;height:auto}
.hero__media figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;
  font-size:12.5px;color:#dbe6f6;letter-spacing:2px;
  background:linear-gradient(180deg,transparent,rgba(6,12,22,.85))}

/* ---------- 通用区块 ---------- */
.block{padding:64px 0}
.block--tint{background:var(--tint)}
.block__head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:28px}
.block__title{font-size:26px;letter-spacing:1px;position:relative;padding-left:16px}
.block__title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--blue),var(--teal))}
.block__more{color:var(--muted);font-size:13px;white-space:nowrap}
.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* 判断卡 */
.card--flat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 24px;transition:.2s}
.card--flat:hover{border-color:#cfdcf5;box-shadow:0 12px 30px rgba(20,40,80,.07);transform:translateY(-3px)}
.card__num{display:block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--blue);margin-bottom:12px}
.card__h{font-size:16.5px;margin-bottom:10px}
.card__p{font-size:13.5px;color:var(--muted);line-height:1.85}

/* 技术路线 */
.lane{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;border-top:3px solid #d9e2ef}
.lane--on{border-top-color:var(--teal);box-shadow:0 14px 36px rgba(0,150,140,.1)}
.lane__tag{font-size:13px;font-weight:700;color:var(--blue)}
.lane__h{font-size:18px;margin:12px 0 10px}
.lane__h em{font-style:normal;font-size:12px;color:var(--teal);border:1px solid rgba(0,179,164,.45);
  border-radius:999px;padding:2px 9px;margin-left:8px;vertical-align:2px}
.lane__p{font-size:13.5px;color:var(--muted);line-height:1.9}

/* 产品卡 */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.22s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,40,80,.1);border-color:#d5e0f2}
.pcard__thumb{aspect-ratio:1/1;background:#f6f8fb;display:grid;place-items:center;overflow:hidden}
.pcard__thumb img{width:100%;height:100%;object-fit:cover}
.pcard__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.pcard__tag{align-self:flex-start;font-size:11.5px;color:var(--blue);background:rgba(31,95,224,.09);
  border-radius:999px;padding:3px 10px;letter-spacing:.5px}
.pcard__h{font-size:16px}
.pcard__p{font-size:13px;color:var(--muted);line-height:1.8}
.pcard__spec{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:auto 0 0;padding:0}
.pcard__spec li{font-size:11.5px;color:#55637a;background:#f2f5fa;border:1px solid var(--line);
  border-radius:6px;padding:3px 9px}

/* 软件大图 */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.shot img{width:100%;border-bottom:1px solid var(--line);background:#eef2f7}
.shot figcaption{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px}
.shot figcaption b{font-size:15px}
.shot figcaption span{font-size:13px;color:var(--muted);line-height:1.8}

/* 产品形态 */
.form__in{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.form__media{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#f2f5f9}
.form__lead{margin:18px 0 22px;color:var(--muted);font-size:14px;line-height:1.9}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.ticks li{position:relative;padding-left:28px;font-size:13.5px;color:var(--muted);line-height:1.85}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(120deg,var(--blue),var(--teal))}
.ticks li::after{content:"";position:absolute;left:5.5px;top:11px;width:5px;height:8px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg)}
.ticks li b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}

/* 平台入口 */
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mod{position:relative;display:flex;flex-direction:column;gap:10px;padding:26px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
.mod--live:hover{transform:translateY(-3px);border-color:#c9dcf7;box-shadow:0 16px 36px rgba(20,40,80,.09)}
.mod__tag{align-self:flex-start;font-size:11.5px;color:var(--muted);background:#eef1f6;border-radius:999px;padding:3px 10px}
.mod__tag--live{color:#0a7f74;background:rgba(0,179,164,.12)}
.mod h3{font-size:17px}
.mod p{font-size:13.5px;color:var(--muted);line-height:1.85}
.mod__go{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--blue)}

/* 应用方向 */
.funnel{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.funnel li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  position:relative;overflow:hidden}
.funnel li::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--blue),var(--teal))}
.funnel__idx{font-size:13px;font-weight:700;color:var(--blue)}
.funnel h3{font-size:16px;margin:10px 0 8px}
.funnel p{font-size:13.5px;color:var(--muted);line-height:1.85}

/* 指标 */
.metrics{margin-bottom:40px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px}
.metric b{display:block;font-size:26px;letter-spacing:.5px;
  background:linear-gradient(120deg,var(--blue),var(--teal));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.75}

/* 时间线 */
.timeline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;margin-bottom:40px}
.timeline__h{font-size:17px;margin-bottom:22px}
.timeline__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.timeline__list li{position:relative;padding-top:20px;border-top:2px solid var(--line)}
.timeline__list li::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--blue)}
.timeline__list time{display:block;font-size:13px;font-weight:700;color:var(--blue);letter-spacing:1px}
.timeline__list b{display:block;font-size:15px;margin:6px 0 8px}
.timeline__list span{font-size:13px;color:var(--muted);line-height:1.8}
.timeline__note{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);line-height:1.9}
.timeline__note b{color:var(--ink)}

/* 四大环节 */
.keys .key{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.keys .key b{display:block;font-size:15px;margin-bottom:8px;color:var(--blue)}
.keys .key span{font-size:13px;color:var(--muted);line-height:1.85}

/* 产学研 */
.academy{display:grid;grid-template-columns:1.55fr 1fr;gap:22px}
.academy__main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.academy__main h3{font-size:20px;margin-bottom:12px}
.academy__meta{font-size:13px;color:var(--blue);margin-bottom:16px}
.academy__main p{font-size:14px;color:#4a5566;line-height:1.95}
.academy__orgs{display:grid;gap:14px;margin:22px 0 18px;padding-top:20px;border-top:1px solid var(--line)}
.academy__orgs h4{font-size:13px;color:var(--blue);margin-bottom:6px}
.academy__orgs p{font-size:13px;color:var(--muted);line-height:1.85}
.academy__note{font-size:12.5px;color:#98a2b0}
.academy__aside{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#dbe5f4;
  border-radius:var(--radius);padding:30px 28px}
.academy__aside h4{font-size:16px;color:#fff;margin-bottom:16px}
.academy__aside ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:12px}
.academy__aside li{font-size:13.5px;line-height:1.85;color:#b7c6db}

/* 联系 */
.contact{background:linear-gradient(120deg,#0d1524,#16263f);color:#fff;padding:56px 0}
.contact__in{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.contact__title{font-size:26px;letter-spacing:1px}
.contact__text{margin-top:12px;color:#a9b8cd;font-size:14px}
.contact__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px 26px}
.contact__list li{border-left:2px solid rgba(0,179,164,.6);padding-left:14px}
.contact__list span{display:block;font-size:12px;color:#8b9db6;letter-spacing:1px}
.contact__list b{display:block;font-size:15px;margin-top:4px;color:#fff;font-weight:600;line-height:1.6}

/* 页脚 */
.footer{background:#0a111d;color:#8b97a8;padding:34px 0 40px;font-size:13px}
.footer__in{display:flex;flex-direction:column;gap:16px}
.footer__brand{display:flex;flex-direction:column;gap:6px}
.footer__name{color:#e6ecf5;font-size:15px;font-weight:600}
.footer__slogan{font-size:12.5px;color:#7c8a9e;letter-spacing:1px}
.footer__links{display:flex;flex-wrap:wrap;gap:22px;padding:16px 0;
  border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.footer__links a:hover{color:#fff}
.footer__fine{font-size:12.5px;color:#69768a}

@media (max-width:1080px){
  .hero__in{grid-template-columns:1fr;gap:34px;padding:48px 0 56px}
  .hero__media{max-width:460px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .shots,.form__in,.academy,.contact__in{grid-template-columns:1fr}
  .timeline__list,.funnel,.mods{grid-template-columns:1fr}
  .form__media{order:2}
}
@media (max-width:760px){
  .topbar__item + .topbar__item{display:none}
  .navtoggle{display:block}
  .nav{position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);padding:8px 18px 14px;display:none}
  .nav.is-open{display:flex}
  .nav__link{padding:13px 0;border-bottom:1px dashed var(--line)}
  .brand__name{font-size:16px}
  .hero__title{font-size:29px}
  .hero__sub{font-size:14.5px}
  .hero__stats{grid-template-columns:1fr;gap:14px;margin-top:30px}
  .grid--3,.grid--4,.contact__list{grid-template-columns:1fr}
  .block{padding:46px 0}
  .block__head{flex-direction:column;align-items:flex-start;gap:8px}
  .block__title{font-size:21px}
}

/* ============================================================
   2026-10-19 新增：子页面（艺术品展销 / 信息发布）/ 登录注册弹窗
   ============================================================ */
.btn--sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:7px}
.btn--line{border:1px solid var(--line);color:#37424f;background:#fff}
.btn--line:hover{border-color:#c9d6ea;background:#f8fafd}
.btn--buy{background:#b3261e;color:#fff}
.btn--buy:hover{filter:brightness(1.08)}

/* 子页头图 */
.pagehero{position:relative;background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;overflow:hidden}
.pagehero::after{content:"";position:absolute;inset:0;opacity:.3;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px}
.pagehero__in{position:relative;padding:56px 0 50px;display:flex;align-items:flex-end;justify-content:space-between;gap:28px}
.pagehero__kicker{font-size:13px;letter-spacing:3px;color:#7fd8cd;margin-bottom:14px}
.pagehero__title{font-size:36px;letter-spacing:1.5px}
.pagehero__sub{margin-top:14px;color:#b9c6da;font-size:15px;line-height:1.85;max-width:720px}
.pagehero__actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
.crumb{font-size:12.5px;color:#93a3ba;margin-bottom:14px}
.crumb a:hover{color:#fff}

/* 筛选 chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 22px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 16px;
  font-size:13.5px;color:#4a5563;cursor:pointer;transition:.18s}
.chip:hover{border-color:#c9d6ea}
.chip.is-on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* 艺术品网格 */
.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.art-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.22s}
.art-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,40,80,.1);border-color:#d5e0f2}
.art-card__thumb{aspect-ratio:4/3;background:#f4f1ea;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.art-card__thumb svg,.art-card__thumb img{width:100%;height:100%;display:block;object-fit:cover}
.art-card__badge{position:absolute;left:12px;top:12px;font-size:11.5px;padding:3px 10px;border-radius:999px;
  background:rgba(255,255,255,.92);color:#1b2430;letter-spacing:.5px}
.art-card__badge--sold{background:rgba(15,26,43,.82);color:#fff}
.art-card__body{padding:15px 16px 17px;display:flex;flex-direction:column;gap:6px;flex:1}
.art-card__title{font-size:15.5px;font-weight:600;line-height:1.45}
.art-card__artist{font-size:12.5px;color:var(--muted)}
.art-card__meta{font-size:12px;color:#8b97a8}
.art-card__row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px}
.art-card__price{font-size:17px;font-weight:700;color:#b3261e;letter-spacing:.5px}
.art-card__price small{font-size:11.5px;font-weight:400;color:#8b97a8;margin-left:4px}
.art-card--sold .art-card__price{color:#8b97a8}
.art-note{margin:26px 0 0;font-size:12.5px;color:var(--muted)}
.art-empty{display:none;padding:40px 0;color:var(--muted);font-size:14px}

/* 信息发布列表 */
.info-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:26px 0 18px}
.info-count{font-size:13px;color:var(--muted)}
.info-list{display:flex;flex-direction:column;gap:12px}
.info-item{display:grid;grid-template-columns:112px 1fr auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.18s}
.info-item:hover{border-color:#cfdcf5;box-shadow:0 10px 26px rgba(20,40,80,.06)}
.info-item__cat{justify-self:start;font-size:12.5px;color:var(--blue);background:rgba(31,95,224,.09);
  border-radius:999px;padding:4px 12px;white-space:nowrap}
.info-item__title{font-size:16px;font-weight:600;line-height:1.5}
.info-item__desc{font-size:13px;color:var(--muted);line-height:1.75;margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.info-item__meta{font-size:12.5px;color:#8b97a8;margin-top:8px;display:flex;gap:16px;flex-wrap:wrap}
.info-item__meta b{color:#b3261e;font-weight:600}
.info-item__right{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.info-item__time{font-size:12px;color:#9aa6b6;white-space:nowrap}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(8,14,26,.58);backdrop-filter:blur(2px)}
.modal__dialog{position:relative;margin:min(7vh,64px) auto;width:min(94vw,520px);max-height:86vh;
  display:flex;flex-direction:column;background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 40px 90px rgba(8,16,32,.35)}
.modal__dialog--wide{width:min(96vw,880px)}
.modal__head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border-bottom:1px solid var(--line);flex:none}
.modal__title{font-size:17px;font-weight:600}
.modal__close{border:0;background:transparent;font-size:22px;line-height:1;color:#8b97a8;cursor:pointer;padding:2px 6px}
.modal__close:hover{color:#1b2430}
.modal__body{padding:20px;overflow:auto}
.modal__foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;flex:none}

/* 登录 / 注册 */
.auth-tabs{display:flex;gap:6px;background:var(--tint);padding:5px;border-radius:999px;margin-bottom:16px}
.auth-tab{flex:1;border:0;background:transparent;border-radius:999px;padding:9px 0;font-size:14.5px;
  color:#4a5563;cursor:pointer;transition:.18s}
.auth-tab.is-on{background:#fff;color:var(--blue);box-shadow:0 2px 8px rgba(20,40,80,.08);font-weight:600}
.auth-frame{width:100%;height:520px;border:0;border-radius:12px;background:#f7f9fc;display:block}
.auth-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13.5px;color:var(--muted);background:#f7f9fc}
.auth-hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.auth-pane{position:relative}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:#4a5563}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;
  padding:10px 12px;font:inherit;background:#fff;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(31,95,224,.18);border-color:#9db8ea}
.field textarea{min-height:104px;resize:vertical}

/* toast */
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,16px);background:var(--navy);color:#fff;
  padding:11px 20px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:200;
  box-shadow:0 16px 40px rgba(8,16,32,.3)}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* 详情弹窗图文 */
.detail__meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8b97a8;margin-bottom:12px}
.detail__body{font-size:14px;color:#39424f;line-height:1.9;white-space:pre-line}
.detail__contact{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px;color:#39424f}
.detail__price{font-size:22px;font-weight:700;color:#b3261e;margin-bottom:10px}

@media (max-width:1000px){
  .art-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:760px){
  .pagehero__in{flex-direction:column;align-items:flex-start;padding:42px 0 38px}
  .pagehero__title{font-size:27px}
  .art-grid{grid-template-columns:repeat(2,1fr)}
  .info-item{grid-template-columns:1fr;gap:10px}
  .info-item__right{align-items:flex-start;flex-direction:row;justify-content:space-between;width:100%}
  .form-grid{grid-template-columns:1fr}
  .auth-frame{height:58vh}
  .modal__dialog{margin-top:5vh}
}
@media (max-width:520px){
  .art-grid{grid-template-columns:1fr}
}