/* ============================================================
   新葡萄8883 · AMG 夜航检索面板
   共享样式 /assets/site.css
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
img,svg,video,canvas{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

:root{
  --nv-ink:#0A0810;
  --nv-ink-2:#12071F;
  --nv-deep:#1A0B2E;
  --nv-grape:#6B2FA0;
  --nv-grape-deep:#3F1B63;
  --nv-green:#3BB273;
  --nv-green-deep:#17724A;
  --nv-silver:#C0C6CF;
  --nv-gold:#D4A017;
  --nv-white:#F5F3FF;
  --nv-mist:#B9A0D6;
  --nv-moss:#1F6B4A;
  --nv-line:rgba(192,198,207,.18);
  --nv-line-strong:rgba(192,198,207,.36);
  --nv-radius-l:32px;
  --nv-radius-m:20px;
  --nv-radius-s:12px;
  --nv-pill:999px;
  --nv-font-display:"PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --nv-font-body:var(--nv-font-display);
  --nv-font-num:"Montserrat","Poppins","Segoe UI",Arial,"Helvetica Neue",system-ui,sans-serif;
  --nv-w:1240px;
  --nv-narrow:820px;
  --nv-gutter:clamp(18px,4vw,48px);
  --nv-ease:cubic-bezier(.22,.7,.24,1);
}

body{
  min-height:100vh;
  background-color:var(--nv-ink);
  background-image:
    radial-gradient(1100px 620px at 6% -12%, rgba(107,47,160,.42), transparent 62%),
    radial-gradient(880px 520px at 98% -8%, rgba(59,178,115,.16), transparent 58%),
    linear-gradient(180deg,#0A0810 0%,#150A26 46%,#0A0810 100%);
  color:var(--nv-white);
  font-family:var(--nv-font-body);
  font-weight:300;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
::selection{background:var(--nv-grape);color:#fff}
:focus-visible{outline:2px solid var(--nv-gold);outline-offset:3px;border-radius:6px}
.nv-no-scroll{overflow:hidden}

/* ---------------- 跳转链接 ---------------- */
.nv-skip{
  position:fixed;left:12px;top:-80px;z-index:300;
  padding:10px 20px;border-radius:0 0 16px 16px;
  background:var(--nv-green);color:#04180E;
  font-size:14px;font-weight:600;letter-spacing:.06em;
  transition:top .22s var(--nv-ease);
}
.nv-skip:focus{top:0}

/* ---------------- 页头：框架式导航 ---------------- */
.nv-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,8,16,.84);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--nv-line);
}
.nv-header__edge{
  display:block;height:2px;
  background:linear-gradient(90deg,var(--nv-grape),var(--nv-green) 46%,var(--nv-gold));
}
.nv-header__frame{
  width:100%;max-width:var(--nv-w);margin:0 auto;
  padding:14px var(--nv-gutter);
  border-left:1px solid var(--nv-line);
  border-right:1px solid var(--nv-line);
  display:flex;align-items:center;gap:clamp(14px,2.4vw,36px);
}

/* 品牌 */
.nv-brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.nv-brand__glyph{
  position:relative;width:36px;height:36px;flex:0 0 auto;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  border-radius:13px;
  background:linear-gradient(150deg,rgba(107,47,160,.95),#2A1146 72%);
  border:1px solid var(--nv-line-strong);
  box-shadow:inset 0 0 18px rgba(107,47,160,.55);
}
.nv-brand__stone{
  width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#F5F3FF,var(--nv-green) 60%,var(--nv-green-deep));
  box-shadow:0 0 12px rgba(59,178,115,.75);
}
.nv-brand__stem{width:2px;height:11px;border-radius:1px;background:linear-gradient(180deg,var(--nv-silver),rgba(192,198,207,.12))}
.nv-brand__stack{display:flex;flex-direction:column;line-height:1.1}
.nv-brand__cn{font-family:var(--nv-font-display);font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--nv-white)}
.nv-brand__sub{font-family:var(--nv-font-num);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--nv-mist);margin-top:3px}

/* 导航 */
.nv-nav{flex:1 1 auto;display:flex;align-items:center;justify-content:flex-end;gap:clamp(10px,1.6vw,24px)}
.nv-nav__list{display:flex;align-items:center;gap:clamp(2px,.7vw,8px);flex-wrap:wrap}
.nv-nav__item{display:block}
.nv-nav__link{
  display:inline-block;padding:9px 14px;border-radius:var(--nv-pill);
  font-size:14.5px;font-weight:400;letter-spacing:.02em;
  color:var(--nv-mist);border:1px solid transparent;
  transition:color .22s var(--nv-ease),background .22s var(--nv-ease),border-color .22s var(--nv-ease);
}
.nv-nav__link:hover{color:var(--nv-white);background:rgba(107,47,160,.22);border-color:rgba(107,47,160,.5)}
.nv-nav__link[aria-current="page"]{
  color:var(--nv-white);
  background:linear-gradient(120deg,var(--nv-grape),var(--nv-grape-deep));
  border-color:rgba(212,160,23,.55);
  box-shadow:0 12px 26px -18px rgba(107,47,160,1),inset 0 1px 0 rgba(245,243,255,.2);
}
.nv-nav__aside{
  display:flex;align-items:center;gap:14px;
  padding-left:clamp(8px,1.4vw,20px);
  border-left:1px solid var(--nv-line);
}
.nv-nav__hint{
  max-width:190px;font-size:11.5px;line-height:1.5;
  letter-spacing:.16em;color:var(--nv-silver);opacity:.72;
}

/* 移动导航按钮 */
.nv-nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 15px;border-radius:var(--nv-pill);
  border:1px solid var(--nv-line-strong);
  background:rgba(26,11,46,.6);color:var(--nv-white);
  transition:border-color .22s var(--nv-ease),background .22s var(--nv-ease);
}
.nv-nav-toggle:hover{border-color:var(--nv-grape);background:rgba(107,47,160,.28)}
.nv-nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nv-nav-toggle__bar{
  display:block;width:16px;height:2px;border-radius:2px;
  background:var(--nv-silver);
  transition:transform .26s var(--nv-ease),background .26s var(--nv-ease);
}
.nv-nav-toggle[aria-expanded="true"] .nv-nav-toggle__bar{background:var(--nv-green)}
.nv-nav-toggle[aria-expanded="true"] .nv-nav-toggle__bar:nth-child(1){transform:translateY(3px) rotate(45deg)}
.nv-nav-toggle[aria-expanded="true"] .nv-nav-toggle__bar:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
.nv-nav-toggle__text{font-size:12.5px;letter-spacing:.14em}

/* 滚动进度 */
.nv-progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--nv-grape),var(--nv-green) 58%,var(--nv-gold));
  pointer-events:none;will-change:transform;
}

/* ---------------- 通用容器与章节 ---------------- */
.nv-container{width:100%;max-width:var(--nv-w);margin:0 auto;padding:0 var(--nv-gutter)}
.nv-container--narrow{max-width:var(--nv-narrow)}
.nv-section{padding:clamp(44px,6.5vw,96px) 0}
.nv-section__head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(22px,3vw,44px)}
.nv-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--nv-font-num);font-size:12px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--nv-gold);
}
.nv-eyebrow::before{
  content:"";width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--nv-grape),var(--nv-green));
}
.nv-h1,.nv-h2,.nv-h3{font-family:var(--nv-font-display);font-weight:900;line-height:1.08;letter-spacing:-.02em;color:var(--nv-white)}
.nv-h1{font-size:clamp(42px,7.4vw,88px)}
.nv-h2{font-size:clamp(28px,4.2vw,52px)}
.nv-h3{font-size:clamp(20px,2.4vw,30px)}
.nv-lead{font-size:clamp(16px,1.5vw,19px);line-height:1.85;color:var(--nv-mist);max-width:62ch}
.nv-num{font-family:var(--nv-font-num);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.nv-divider{
  height:1px;border:0;margin:clamp(26px,4vw,56px) 0;
  background:linear-gradient(90deg,transparent,var(--nv-line-strong) 18%,var(--nv-line-strong) 82%,transparent);
}

/* ---------------- 按钮 ---------------- */
.nv-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--nv-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .22s var(--nv-ease),box-shadow .22s var(--nv-ease),
             background .22s var(--nv-ease),color .22s var(--nv-ease),border-color .22s var(--nv-ease);
}
.nv-btn--sm{padding:9px 18px;font-size:13.5px}
.nv-btn--primary{
  background:linear-gradient(120deg,var(--nv-grape),#4A1F78);
  color:var(--nv-white);
  box-shadow:0 16px 32px -20px rgba(107,47,160,1),inset 0 1px 0 rgba(245,243,255,.22);
}
.nv-btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(212,160,23,.55),0 22px 40px -22px rgba(107,47,160,1)}
.nv-btn--ghost{border-color:var(--nv-line-strong);color:var(--nv-white);background:rgba(245,243,255,.04)}
.nv-btn--ghost:hover{border-color:var(--nv-green);color:var(--nv-green);background:rgba(59,178,115,.1)}
.nv-btn--gold{background:linear-gradient(120deg,var(--nv-gold),#9A6F0A);color:#1A1204;font-weight:700}
.nv-btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -22px rgba(212,160,23,1)}

/* ---------------- 标签 ---------------- */
.nv-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--nv-pill);
  font-size:12.5px;letter-spacing:.08em;
  border:1px solid var(--nv-line-strong);
  color:var(--nv-silver);background:rgba(245,243,255,.04);
}
.nv-tag--grape{color:var(--nv-white);background:rgba(107,47,160,.34);border-color:rgba(107,47,160,.7)}
.nv-tag--green{color:#062A19;background:var(--nv-green);border-color:transparent;font-weight:600}
.nv-tag--gold{color:#241802;background:var(--nv-gold);border-color:transparent;font-weight:600}

/* ---------------- 网格与卡片 ---------------- */
.nv-grid{display:grid;gap:clamp(16px,2vw,28px);grid-template-columns:repeat(12,minmax(0,1fr))}
.nv-span-4{grid-column:span 4}
.nv-span-6{grid-column:span 6}
.nv-span-8{grid-column:span 8}
.nv-span-12{grid-column:span 12}
.nv-card{
  position:relative;border-radius:var(--nv-radius-l);
  border:1px solid var(--nv-line);
  background:linear-gradient(160deg,rgba(26,11,46,.86),rgba(10,8,16,.92));
  padding:clamp(20px,2.4vw,32px);
  transition:transform .28s var(--nv-ease),border-color .28s var(--nv-ease),box-shadow .28s var(--nv-ease);
}
.nv-card:hover{
  transform:translateY(-4px);
  border-color:rgba(107,47,160,.62);
  box-shadow:0 28px 54px -36px rgba(107,47,160,.95);
}
.nv-card__meta{font-family:var(--nv-font-num);font-size:12px;letter-spacing:.14em;color:var(--nv-silver);opacity:.8}
.nv-card__title{font-family:var(--nv-font-display);font-size:clamp(18px,2vw,24px);font-weight:800;line-height:1.28;letter-spacing:-.01em;margin-top:10px}
.nv-card__body{font-size:15.5px;color:var(--nv-mist);margin-top:10px}

/* ---------------- 面包屑 ---------------- */
.nv-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0;font-size:13px;color:var(--nv-mist);
}
.nv-breadcrumb li{display:flex;align-items:center;gap:8px}
.nv-breadcrumb li+li::before{content:"/";color:var(--nv-silver);opacity:.5}
.nv-breadcrumb a:hover{color:var(--nv-green)}
.nv-breadcrumb [aria-current="page"]{color:var(--nv-white)}

/* ---------------- 图片容器 ---------------- */
.nv-media{
  position:relative;display:block;overflow:hidden;
  width:100%;aspect-ratio:16 / 10;
  border-radius:var(--nv-radius-l);
  border:1px solid var(--nv-line);
  background:
    radial-gradient(120% 90% at 18% 8%, rgba(107,47,160,.55), transparent 62%),
    linear-gradient(150deg,#1A0B2E,#0A0810 68%);
}
.nv-media--wide{aspect-ratio:21 / 9}
.nv-media--portrait{aspect-ratio:4 / 5}
.nv-media--square{aspect-ratio:1 / 1}
.nv-media > img,.nv-media > svg{width:100%;height:100%;object-fit:cover}
.nv-media__cap{
  position:absolute;left:14px;right:14px;bottom:14px;
  padding:10px 16px;border-radius:var(--nv-pill);
  background:rgba(10,8,16,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border:1px solid var(--nv-line);
  font-size:12.5px;letter-spacing:.06em;color:var(--nv-silver);
}

/* ---------------- 滚动显现 ---------------- */
.nv-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--nv-ease),transform .6s var(--nv-ease)}
.nv-reveal.is-visible{opacity:1;transform:none}

/* ---------------- 页脚 ---------------- */
.nv-footer{
  position:relative;margin-top:clamp(56px,8vw,120px);
  border-top:1px solid var(--nv-line);
  background:linear-gradient(180deg,rgba(26,11,46,.55),rgba(10,8,16,.97) 62%);
}
.nv-footer__vine{
  display:block;height:3px;
  background:linear-gradient(90deg,transparent,var(--nv-grape) 16%,var(--nv-green) 60%,var(--nv-gold) 88%,transparent);
  opacity:.85;
}
.nv-footer__inner{
  width:100%;max-width:var(--nv-w);margin:0 auto;
  padding:clamp(40px,6vw,76px) var(--nv-gutter) clamp(26px,4vw,44px);
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;
  gap:clamp(24px,4vw,52px);
}
.nv-footer__col{display:flex;flex-direction:column}
.nv-footer__col--brand{gap:2px}
.nv-footer__col--place{max-width:32ch}
.nv-footer__title{
  font-size:12.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--nv-gold);margin-bottom:16px;
}
.nv-footer__list{display:flex;flex-direction:column;gap:10px}
.nv-footer__list a{font-size:15px;color:var(--nv-mist);transition:color .2s var(--nv-ease)}
.nv-footer__list a:hover{color:var(--nv-green)}
.nv-footer__note{margin-top:16px;font-size:14.5px;color:var(--nv-mist);max-width:34ch}
.nv-footer__meta{margin-top:8px;font-size:13.5px;line-height:1.85;color:var(--nv-silver);opacity:.86}
.nv-brand--footer{margin-bottom:4px}
.nv-footer__base{
  width:100%;max-width:var(--nv-w);margin:0 auto;
  padding:20px var(--nv-gutter) 34px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--nv-line);
}
.nv-footer__legal{font-size:12.5px;letter-spacing:.04em;color:var(--nv-silver);opacity:.75}
.nv-totop{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--nv-pill);
  border:1px solid var(--nv-line-strong);
  background:rgba(107,47,160,.16);
  font-size:13px;letter-spacing:.1em;color:var(--nv-white);
  transition:border-color .22s var(--nv-ease),background .22s var(--nv-ease),transform .22s var(--nv-ease);
}
.nv-totop:hover{border-color:var(--nv-green);background:rgba(59,178,115,.18);transform:translateY(-2px)}
.nv-totop__arrow{
  display:block;width:8px;height:8px;
  border-left:1.5px solid currentColor;border-top:1.5px solid currentColor;
  transform:rotate(45deg);
}

/* ---------------- 响应式 ---------------- */
@media (max-width:1180px){
  .nv-nav__hint{display:none}
}

@media (max-width:1024px){
  .nv-footer__inner{grid-template-columns:1fr 1fr}
  .nv-footer__col--place{max-width:none}
}

@media (max-width:900px){
  .nv-header__frame{border-left:0;border-right:0;justify-content:space-between}
  .nv-nav{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(88vw,380px);z-index:120;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:96px var(--nv-gutter) 40px;
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(21,10,38,.985),rgba(10,8,16,.995));
    border-left:1px solid var(--nv-line-strong);
    box-shadow:-32px 0 90px -46px rgba(0,0,0,.95);
    transform:translateX(103%);
    visibility:hidden;
    transition:transform .34s var(--nv-ease),visibility .34s var(--nv-ease);
  }
  .nv-nav[data-open]{transform:translateX(0);visibility:visible}
  .nv-nav__list{flex-direction:column;align-items:stretch;gap:6px}
  .nv-nav__link{
    display:block;padding:14px 16px;
    font-size:17px;font-weight:500;border-radius:var(--nv-radius-m);
    border:1px solid var(--nv-line);background:rgba(245,243,255,.03);
  }
  .nv-nav__aside{
    flex-direction:column;align-items:flex-start;gap:14px;
    margin-top:20px;padding:22px 0 0;
    border-left:0;border-top:1px solid var(--nv-line);
  }
  .nv-nav__hint{display:block;max-width:none}
  .nv-nav-toggle{display:inline-flex;margin-left:auto}
  .nv-span-4,.nv-span-6,.nv-span-8{grid-column:span 12}
}

@media (max-width:640px){
  body{font-size:16px}
  .nv-brand__cn{font-size:17px}
  .nv-footer__inner{grid-template-columns:1fr;gap:30px}
  .nv-footer__base{flex-direction:column;align-items:flex-start}
  .nv-nav-toggle__text{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .nv-reveal{opacity:1;transform:none}
  .nv-nav{transition:none}
  .nv-card:hover,.nv-btn:hover,.nv-totop:hover{transform:none}
}