/* =========================================================
   永隆现金站 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 页头 / 页脚 / 通用组件
   ========================================================= */

/* ---------- reset ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;text-size-adjust:100%;}

body,
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0;}

ul,ol{padding:0;list-style:none;}

img,svg,video{display:block;max-width:100%;height:auto;}

button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}

a{color:inherit;text-decoration:none;}

hr{border:0;margin:0;}

/* ---------- 变量 ---------- */
:root{
  --ink:#14161A;
  --paper:#F6F2EA;
  --paper-2:#E5DFD3;
  --moss:#3E6B5A;
  --indigo:#2B4C7E;
  --silver:#C9D6E3;
  --cinnabar:#D0623A;
  --deep:#101B2B;
  --moss-tint:#DCE7E1;
  --gray:#6E6A63;

  --line:1px solid var(--silver);
  --line-dark:1px solid rgba(201,214,227,.18);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell-max:1440px;
  --shell-pad:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 基础排版 ---------- */
body{
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(20,22,26,.026) 0 1px,transparent 1px 88px);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{font-weight:900;letter-spacing:-0.02em;line-height:1.2;}
h1{font-size:clamp(2.125rem,5.4vw,5.5rem);line-height:1.06;letter-spacing:-0.035em;}
h2{font-size:clamp(1.75rem,3.2vw,3rem);line-height:1.16;letter-spacing:-0.025em;}
h3{font-size:clamp(1.3rem,1.9vw,1.875rem);line-height:1.3;}
h4{font-size:1.125rem;line-height:1.4;}
strong{font-weight:800;}

:focus-visible{outline:2px solid var(--cinnabar);outline-offset:3px;}
.site-footer :focus-visible{outline-color:var(--silver);}

/* ---------- 工具类 ---------- */
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.display{font-size:clamp(2.125rem,5.4vw,5.5rem);font-weight:900;line-height:1.06;letter-spacing:-0.035em;}
.h2{font-size:clamp(1.75rem,3.2vw,3rem);font-weight:900;line-height:1.16;letter-spacing:-0.025em;}
.h3{font-size:clamp(1.3rem,1.9vw,1.875rem);font-weight:800;line-height:1.3;letter-spacing:-0.02em;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--moss);
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;}

.lede{max-width:62ch;font-size:clamp(16px,1.5vw,19px);line-height:1.85;color:var(--gray);}

.prose{max-width:68ch;font-size:17px;line-height:1.85;}
.prose p+p{margin-top:1em;}
.prose h3{margin:1.6em 0 .6em;}
.prose ul,.prose ol{margin:1em 0;}
.prose li{position:relative;padding-left:18px;}
.prose li+li{margin-top:.5em;}
.prose li::before{content:"";position:absolute;left:0;top:.86em;width:7px;height:1px;background:var(--moss);}
.prose a{color:var(--moss);text-decoration:underline;text-underline-offset:4px;}

.rule{height:1px;width:100%;background:var(--silver);}
.rule--moss{background:var(--moss);}

.vert-note{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--gray);
  writing-mode:vertical-rl;
  transform:rotate(180deg);
}

.stack{display:flex;flex-direction:column;gap:16px;}
.stack--lg{gap:clamp(24px,3vw,40px);}

.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}

.link-underline{
  color:var(--moss);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-decoration-color:var(--silver);
  text-underline-offset:4px;
  transition:text-decoration-color .16s ease,color .16s ease;
}
.link-underline:hover{text-decoration-color:var(--moss);}

/* ---------- 容器与分区 ---------- */
.container{
  width:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding-left:var(--shell-pad);
  padding-right:var(--shell-pad);
}
.container--text{max-width:880px;}

.section{padding:clamp(48px,7vw,96px) 0;}
.section--tight{padding:clamp(28px,4vw,56px) 0;}
.section--tint{background:var(--moss-tint);}
.section--paper2{background:var(--paper-2);}
.section--ink{background:var(--deep);color:var(--paper);}
.section--ink .lede{color:rgba(246,242,234,.82);}
.section--ink .eyebrow{color:var(--silver);}
.section--ink .card__body{color:rgba(246,242,234,.8);}

.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 28px;
  padding-bottom:16px;
  margin-bottom:clamp(24px,3vw,40px);
  border-bottom:var(--line);
}
.section--ink .section__head{border-bottom:var(--line-dark);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:12px 20px;
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--paper);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.3;
  border-radius:0;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover{background:var(--moss);border-color:var(--moss);color:var(--paper);}

.btn--accent{background:var(--cinnabar);border-color:var(--cinnabar);color:var(--ink);}
.btn--accent:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);}

.btn--ghost{background:transparent;border-color:var(--silver);color:var(--ink);}
.btn--ghost:hover{background:var(--moss-tint);border-color:var(--moss);color:var(--moss);}

.btn--light{background:var(--paper);border-color:var(--paper);color:var(--ink);}
.btn--light:hover{background:var(--silver);border-color:var(--silver);color:var(--ink);}

.btn--sm{padding:9px 14px;font-size:13px;}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-72px;
  z-index:200;
  padding:10px 16px;
  background:var(--ink);
  color:var(--paper);
  font-size:14px;
  font-weight:700;
  transition:top .16s ease;
}
.skip-link:focus{top:12px;}

/* =========================================================
   页头
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  color:var(--ink);
  border-bottom:var(--line);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg,var(--moss) 0 88px,var(--indigo) 88px 124px,var(--cinnabar) 124px 144px,var(--paper-2) 144px 100%);
  pointer-events:none;
}

.site-header__bar{
  display:grid;
  grid-template-columns:auto 1fr auto auto;
  align-items:center;
  gap:clamp(14px,2vw,32px);
  max-width:var(--shell-max);
  margin:0 auto;
  padding:16px var(--shell-pad) 14px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand__mark{
  position:relative;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  background:var(--moss);
  color:var(--paper);
  font-size:17px;
  font-weight:900;
  line-height:1;
  letter-spacing:0;
}
.brand__mark::after{
  content:"";
  position:absolute;
  inset:4px;
  border:1px solid rgba(246,242,234,.45);
  pointer-events:none;
}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{font-size:19px;font-weight:900;letter-spacing:-.01em;line-height:1.15;color:var(--ink);}
.brand__sub{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--gray);
  line-height:1.2;
}
.brand--footer .brand__name{color:var(--paper);}
.brand--footer .brand__sub{color:rgba(201,214,227,.75);}

/* 主张短语 */
.site-header__tagline{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--gray);
  white-space:nowrap;
}
.site-header__tagline::before{content:"";width:28px;height:1px;background:var(--silver);}

/* 栏目导航（移动优先：抽屉） */
.site-nav{display:block;}

.site-nav__list{display:block;border-top:var(--line);}
.site-nav__item{display:block;border-bottom:var(--line);}

.nav-link{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:13px 8px;
  background:transparent;
  color:var(--ink);
  transition:background-color .16s ease,color .16s ease,box-shadow .16s ease,padding .16s ease;
}
.nav-link__num{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.12em;
  color:var(--gray);
  transition:color .16s ease;
}
.nav-link__label{font-size:17px;font-weight:700;line-height:1.35;white-space:nowrap;}
.nav-link:hover{background:var(--paper-2);color:var(--moss);}
.nav-link[aria-current="page"]{
  background:var(--moss-tint);
  color:var(--moss);
  box-shadow:inset 3px 0 0 var(--moss);
  padding-left:14px;
}
.nav-link[aria-current="page"] .nav-link__num{color:var(--moss);}

/* 抽屉内快捷入口 */
.nav-quick{display:none;}

/* 动作区与菜单按钮 */
.site-header__actions{display:flex;align-items:center;gap:10px;}

.nav-toggle{display:none;}

/* 阅读进度 */
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:100%;
  background:var(--moss);
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
  transition:transform .12s linear;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  background:var(--deep);
  color:var(--paper);
  margin-top:auto;
}
.site-footer__pattern{
  height:14px;
  background-image:
    repeating-linear-gradient(90deg,rgba(201,214,227,.34) 0 1px,transparent 1px 20px),
    repeating-linear-gradient(0deg,rgba(62,107,90,.75) 0 1px,transparent 1px 20px);
  border-bottom:var(--line-dark);
}

.site-footer__inner{
  max-width:var(--shell-max);
  margin:0 auto;
  padding:40px var(--shell-pad) 0;
}

.site-footer__brand{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:12px 28px;
  padding-bottom:26px;
  border-bottom:var(--line-dark);
}
.site-footer__tagline{font-size:15px;color:rgba(246,242,234,.78);}
.site-footer__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--silver);
}

.site-footer__cols{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  padding:32px 0 4px;
}

.footer-col{
  min-width:0;
  padding:0 24px;
  border-left:var(--line-dark);
}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}

.footer-col__title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--silver);
  line-height:1.4;
}
.footer-col__title::before{content:"";width:8px;height:8px;flex:0 0 auto;background:var(--moss);}
.footer-col--flag .footer-col__title::before{background:var(--cinnabar);}

.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list__link{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-size:15px;
  line-height:1.7;
  color:rgba(246,242,234,.86);
  transition:color .16s ease;
}
.footer-list__link:hover,
.footer-list__link:focus-visible{
  color:#FFFFFF;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-decoration-color:var(--cinnabar);
  text-underline-offset:4px;
}
.footer-list__link--flag{
  font-weight:700;
  color:var(--paper);
}
.footer-list__link--flag::before{
  content:"";
  width:6px;
  height:6px;
  flex:0 0 auto;
  background:var(--cinnabar);
}

.footer-col__note{
  margin-top:14px;
  padding-left:10px;
  border-left:1px solid rgba(208,98,58,.75);
  font-size:12.5px;
  line-height:1.7;
  color:rgba(201,214,227,.75);
}
.footer-contact{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(201,214,227,.72);
}

.site-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 28px;
  margin-top:28px;
  padding:18px 0 28px;
  border-top:var(--line-dark);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.04em;
  color:var(--paper);
}
.site-footer__legal-item{display:inline-flex;align-items:center;gap:8px;}

/* =========================================================
   通用组件
   ========================================================= */
/* 网格 */
.grid{display:grid;gap:clamp(16px,2vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--5-7{grid-template-columns:5fr 7fr;}
.grid--4-8{grid-template-columns:4fr 8fr;}
.grid--3-9{grid-template-columns:3fr 9fr;}

/* 卡片 */
.card{
  background:var(--paper);
  border:var(--line);
  padding:clamp(18px,2vw,26px);
  border-radius:0;
  transition:border-color .16s ease,background-color .16s ease;
}
.card:hover{border-color:var(--moss);}
.card--tint{background:var(--moss-tint);border-color:var(--moss-tint);}
.card--tint:hover{border-color:var(--moss);}
.card--ink{background:var(--deep);color:var(--paper);border-color:transparent;}
.card--ink:hover{border-color:var(--indigo);}
.card__num{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--moss);
}
.card--ink .card__num{color:var(--silver);}
.card__title{font-size:20px;font-weight:800;line-height:1.35;letter-spacing:-.01em;}
.card__body{margin-top:10px;font-size:15.5px;line-height:1.8;color:var(--gray);}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border-radius:0;
  background:var(--silver);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.08em;
  line-height:1.5;
}
.tag--moss{background:var(--moss);color:var(--paper);}
.tag--indigo{background:var(--indigo);color:var(--paper);}
.tag--accent{background:var(--cinnabar);color:var(--ink);}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:28px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--gray);
}
.breadcrumb a{transition:color .16s ease;}
.breadcrumb a:hover{color:var(--moss);}
.breadcrumb__sep{color:var(--silver);}
.breadcrumb [aria-current="page"]{color:var(--ink);}

/* 图片容器基础规则 */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--paper-2);
  border:var(--line);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame--wide{aspect-ratio:16/9;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame--texture{
  background-image:
    repeating-linear-gradient(135deg,rgba(62,107,90,.16) 0 1px,transparent 1px 12px),
    repeating-linear-gradient(45deg,rgba(43,76,126,.13) 0 1px,transparent 1px 12px);
}
.media-frame__cap{
  position:absolute;
  left:0;
  bottom:0;
  padding:6px 10px;
  background:var(--deep);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
}
.figure-cap{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--gray);
}

/* ---------- 滚动显现协议 ---------- */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
.reveal-ready [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1279px){
  .site-header__tagline{display:none;}
  .site-header__bar{grid-template-columns:auto 1fr auto;}
}

@media (min-width:1024px){
  .site-nav{display:flex;justify-content:flex-end;}
  .site-nav__list{display:flex;align-items:stretch;gap:2px;border-top:0;}
  .site-nav__item{display:flex;border-bottom:0;}
  .nav-link{
    flex-direction:column;
    align-items:flex-start;
    gap:1px;
    padding:6px 9px;
    border:1px solid transparent;
  }
  .nav-link__num{font-size:10px;}
  .nav-link__label{font-size:14px;}
  .nav-link:hover{background:var(--paper-2);border-color:var(--silver);color:var(--ink);}
  .nav-link[aria-current="page"]{
    background:var(--moss-tint);
    border-color:var(--moss-tint);
    color:var(--moss);
    box-shadow:inset 0 -2px 0 var(--moss);
    padding-left:9px;
  }
  .nav-quick{display:none;}
}

@media (max-width:1023px){
  .site-header__bar{grid-template-columns:1fr auto;padding:12px var(--shell-pad);}
  .site-header__actions{justify-self:end;}

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:9px 12px;
    border:1px solid var(--ink);
    background:transparent;
    color:var(--ink);
    font-size:13px;
    font-weight:700;
    letter-spacing:.04em;
    line-height:1.2;
    transition:background-color .16s ease,color .16s ease,border-color .16s ease;
  }
  .nav-toggle:hover{background:var(--ink);color:var(--paper);}
  .nav-toggle__bars{position:relative;display:block;width:18px;height:10px;}
  .nav-toggle__bars::before,
  .nav-toggle__bars::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    height:2px;
    background:currentColor;
    transition:transform .2s var(--ease),top .2s var(--ease);
  }
  .nav-toggle__bars::before{top:0;}
  .nav-toggle__bars::after{top:8px;}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg);}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:4px;transform:rotate(-45deg);}

  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:90;
    max-height:calc(100vh - 70px);
    overflow-y:auto;
    padding:10px var(--shell-pad) 22px;
    background:var(--paper);
    border-bottom:var(--line);
    box-shadow:0 26px 40px -32px rgba(16,27,43,.6);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s linear;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:none;
  }

  .nav-quick{
    display:block;
    margin-top:18px;
    padding:14px 16px 16px;
    background:var(--paper-2);
    border:1px solid var(--silver);
  }
  .nav-quick__title{
    margin-bottom:12px;
    font-family:var(--font-mono);
    font-size:11px;
    font-weight:500;
    letter-spacing:.14em;
    color:var(--gray);
  }
  .nav-quick__list{display:flex;flex-direction:column;gap:10px;}
  .nav-quick__link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-bottom:9px;
    border-bottom:1px dashed var(--silver);
    font-size:15px;
    font-weight:700;
    color:var(--ink);
  }
  .nav-quick__link:last-child{padding-bottom:0;border-bottom:0;}
  .nav-quick__link::after{content:"→";color:var(--moss);font-family:var(--font-mono);}
  .nav-quick__link:hover{color:var(--moss);}

  body.nav-open{overflow:hidden;}
}

@media (max-width:960px){
  .grid--2,
  .grid--3,
  .grid--5-7,
  .grid--4-8,
  .grid--3-9{grid-template-columns:1fr;}

  .site-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px;}
  .footer-col{padding:0 18px;}
  .footer-col:nth-child(odd){border-left:0;padding-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
  .footer-col:last-child{padding-right:0;}
}

@media (max-width:640px){
  body{font-size:16px;}
  .site-footer__inner{padding-top:32px;}
  .site-footer__cols{grid-template-columns:1fr;row-gap:0;}
  .footer-col{
    border-left:0;
    padding:20px 0;
    border-top:var(--line-dark);
  }
  .footer-col:first-child{padding-top:0;border-top:0;}
  .footer-col:last-child{padding-bottom:0;}
  .site-footer__legal{font-size:12px;gap:8px 20px;}
}

@media (max-width:519px){
  .site-header__actions .btn--accent{display:none;}
  .brand__name{font-size:17px;}
  .brand__mark{width:32px;height:32px;font-size:15px;}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .reveal-ready [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .site-nav{transition:none;}
  .scroll-progress__bar{transition:none;}
}