/* ============================================================
   送别网 songbiewang.com — 全站样式
   暖纸米色 × 深墨蓝 × 暗金 · 宋体标题 · 移动端优先
   ============================================================ */

:root{
  --paper:      #F7F4EE;   /* 暖纸底 */
  --cream:      #EDE6D3;   /* 暖奶油，首屏/分隔 */
  --off:        #EFEAE0;   /* 浅区块 */
  --ink:        #1C2B3A;   /* 深墨蓝，标题 */
  --body:       #3A4A57;   /* 正文 */
  --muted:      #6B7683;   /* 次要文字 */
  --gold:       #C09A4A;   /* 暗金点缀 */
  --gold-deep:  #A5823A;
  --line:       #DDD5C4;   /* 分隔线 */
  --white:      #FFFFFF;
  --serif: "Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:  -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --tabbar-h: calc(56px + env(safe-area-inset-bottom, 0px));
  --maxw: 1080px;
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  font-family:var(--sans);
  font-size:16px; line-height:1.9;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  padding-bottom:var(--tabbar-h); /* 移动端底部导航占位 */
}
img,svg,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ cursor:pointer; background:none; border:none; }
:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; border-radius:2px; }

h1,h2,h3,h4{ font-family:var(--serif); color:var(--ink); font-weight:600; line-height:1.5; }

/* ---------- 版心 ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:20px; }
.section{ padding-block:56px; }
.section--tint{ background:var(--off); }
.section--cream{ background:var(--cream); }
.section--ink{ background:var(--ink); color:#D8DEE6; }
.section--ink h2,.section--ink h3{ color:#F2EFE6; }

/* ---------- 栏目标签（金线 + 小号字） ---------- */
.kicker{
  display:flex; align-items:center; gap:14px;
  font-size:12px; letter-spacing:.35em; color:var(--gold-deep);
  text-transform:uppercase; margin-bottom:18px;
}
.kicker::before{ content:""; width:48px; height:1px; background:var(--gold); flex:none; }
.kicker--center{ justify-content:center; }
.kicker--center::after{ content:""; width:48px; height:1px; background:var(--gold); flex:none; }

.section-title{ font-size:clamp(24px,5.6vw,38px); margin-bottom:14px; }
.section-lead{ color:var(--muted); max-width:38em; }

/* ---------- 顶栏（桌面）/ 移动顶条 ---------- */
.site-head{
  position:sticky; top:0; z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-head__in{ display:flex; align-items:center; justify-content:space-between; height:56px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand__seal{ width:30px; height:30px; flex:none; }
.brand__name{ font-family:var(--serif); font-size:22px; font-weight:700; color:var(--ink); letter-spacing:.12em; }
.head-nav{ display:flex; align-items:center; }
.head-nav a{ display:none; }
.head-nav a:first-child{ display:block; font-size:14.5px; letter-spacing:.14em; color:var(--body); padding:6px 2px; }

/* ---------- 底部 Tab 导航（移动端） ---------- */
.tabbar{
  position:fixed; left:0; right:0; bottom:0; z-index:70;
  display:grid; grid-template-columns:repeat(4,1fr);
  background:rgba(247,244,238,.96);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom, 0px);
}
.tabbar a{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:3px; min-height:56px; font-size:11px; letter-spacing:.08em; color:var(--muted);
}
.tabbar a svg{ width:22px; height:22px; stroke:currentColor; fill:none; stroke-width:1.5; }
.tabbar a[aria-current="page"]{ color:var(--gold-deep); }
.tabbar a[aria-current="page"] svg{ stroke:var(--gold-deep); }

/* ---------- 首屏 Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(255,252,240,.9) 0%, rgba(255,252,240,0) 55%),
    linear-gradient(160deg, var(--cream) 0%, var(--paper) 70%);
  min-height:min(88svh,760px);
  display:flex; align-items:center;
}
.hero__in{ position:relative; width:100%; padding-block:72px; padding-right:84px; /* 为竖排诗留白 */ }
.hero__slogan{
  font-size:clamp(34px,9vw,64px);
  font-weight:700; letter-spacing:.06em; line-height:1.4;
  margin:18px 0 10px;
}
.hero__slogan em{ font-style:normal; color:var(--gold-deep); }
.hero__mission{ font-family:var(--serif); font-size:clamp(15px,3.8vw,20px); color:var(--body); letter-spacing:.2em; }
.hero__desc{ margin-top:22px; max-width:34em; color:var(--muted); font-size:15px; }
.hero__actions{ margin-top:34px; display:flex; flex-wrap:wrap; gap:14px; align-items:center; }

/* 竖排诗 */
.verse-col{
  position:absolute; top:64px; right:22px;
  writing-mode:vertical-rl;
  font-family:var(--serif); font-size:clamp(17px,4.4vw,24px);
  letter-spacing:.5em; color:rgba(28,43,58,.34);
  user-select:none; pointer-events:none;
}
.verse-col + .verse-col{ right:64px; color:rgba(192,154,74,.4); }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:48px; padding:12px 28px;
  font-size:15px; letter-spacing:.22em; text-indent:.22em;
  border:1px solid var(--ink); color:var(--ink);
  transition:background .3s ease,color .3s ease,border-color .3s ease;
}
.btn:active{ transform:translateY(1px); }
.btn--gold{ background:var(--gold); border-color:var(--gold); color:#fff; }
.btn--gold:hover{ background:var(--gold-deep); border-color:var(--gold-deep); }
.btn--frame:hover{ background:var(--ink); color:var(--paper); }
.btn--ghost{ border-color:var(--line); color:var(--body); }
.btn--block{ width:100%; }

/* ---------- 听曲按钮（听觉指纹） ---------- */
.listen{
  display:inline-flex; align-items:center; gap:12px;
  min-height:48px; padding:10px 22px 10px 12px;
  border:1px solid var(--gold); color:var(--gold-deep);
  font-size:14px; letter-spacing:.18em;
}
.listen__disc{
  width:32px; height:32px; flex:none; border-radius:50%;
  border:1px solid var(--gold); position:relative;
}
.listen__disc::before{
  content:""; position:absolute; inset:9px; border-radius:50%;
  background:var(--gold);
}
.listen__disc::after{
  content:""; position:absolute; top:50%; left:50%;
  width:14px; height:1px; background:var(--gold); transform-origin:0 50%;
}
.listen[aria-pressed="true"] .listen__disc{ animation:spin 6s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ---------- 三板块导览 ---------- */
.pillars{ display:grid; gap:1px; background:var(--line); border-block:1px solid var(--line); }
.pillar{
  background:var(--paper); padding:30px 24px; position:relative;
  display:block; transition:background .3s ease;
}
.pillar:hover{ background:var(--off); }
.pillar__no{ font-family:var(--serif); font-size:13px; color:var(--gold-deep); letter-spacing:.3em; }
.pillar__title{ font-size:22px; margin:10px 0 8px; }
.pillar__desc{ font-size:14px; color:var(--muted); }
.pillar__go{ margin-top:16px; font-size:13px; letter-spacing:.24em; color:var(--gold-deep); }

/* ---------- 视频卡片 ---------- */
.video-grid{ display:grid; gap:18px; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); }
.vcard{ display:block; }
.vcard__thumb{
  position:relative; aspect-ratio:9/16; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(165deg,#24384B 0%,#1C2B3A 58%,#152232 100%);
}
.vcard__thumb--warm{ background:linear-gradient(165deg,#5C4A2E 0%,#3E3524 55%,#2B2517 100%); }
.vcard__thumb--dusk{ background:linear-gradient(165deg,#3E4A5C 0%,#4A3B46 60%,#2E2430 100%); }
.vcard__thumb::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(90% 60% at 50% 100%, rgba(192,154,74,.22), transparent 70%);
}
.vcard__vtitle{
  writing-mode:vertical-rl; font-family:var(--serif);
  font-size:clamp(20px,5vw,26px); letter-spacing:.42em; color:#F2EFE6;
  text-shadow:0 1px 12px rgba(0,0,0,.35);
}
.vcard__play{
  position:absolute; left:50%; bottom:15%; transform:translateX(-50%);
  width:52px; height:52px; border-radius:50%;
  border:1px solid rgba(242,239,230,.7);
  display:grid; place-items:center;
  background:rgba(21,28,38,.28); backdrop-filter:blur(3px);
}
.vcard__play svg{ width:16px; height:16px; fill:#F2EFE6; margin-left:2px; }
.vcard__meta{ padding-top:12px; }
.vcard__title{ font-size:17px; }
.vcard__sub{ font-size:13px; color:var(--muted); margin-top:4px; }

/* ---------- 原词 ---------- */
.lyric{
  text-align:center;
  font-family:var(--serif);
  font-size:clamp(17px,4.2vw,22px);
  line-height:2.6; letter-spacing:.18em; color:var(--ink);
}
.lyric small{ display:block; margin-bottom:22px; font-size:12px; letter-spacing:.3em; color:var(--muted); font-family:var(--sans); }

/* ---------- 通用图文条目 ---------- */
.rows{ border-top:1px solid var(--line); }
.row{
  display:grid; gap:6px; padding:26px 4px;
  border-bottom:1px solid var(--line);
}
.row__label{ font-family:var(--serif); font-size:19px; color:var(--ink); }
.row__label span{ color:var(--gold-deep); margin-right:10px; }
.row__text{ font-size:14.5px; color:var(--body); }

/* ---------- FAQ ---------- */
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{
  list-style:none; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:20px 4px; min-height:56px;
  font-family:var(--serif); font-size:17px; color:var(--ink);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:""; width:10px; height:10px; flex:none;
  border-right:1px solid var(--gold-deep); border-bottom:1px solid var(--gold-deep);
  transform:rotate(45deg); transition:transform .3s ease; margin-bottom:4px;
}
.faq details[open] summary::after{ transform:rotate(-135deg); margin-bottom:-2px; }
.faq__a{ padding:0 4px 22px; font-size:14.5px; color:var(--body); max-width:44em; }

/* ---------- 表格 ---------- */
.tbl{ width:100%; border-collapse:collapse; font-size:14px; }
.tbl caption{ text-align:left; font-family:var(--serif); font-size:17px; color:var(--ink); padding-bottom:12px; }
.tbl th,.tbl td{ border:1px solid var(--line); padding:12px 14px; text-align:left; vertical-align:top; }
.tbl th{ background:var(--off); font-weight:600; color:var(--ink); white-space:nowrap; }
.tbl-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; }

/* ---------- 表单 ---------- */
.form{ display:grid; gap:22px; max-width:560px; }
.field{ display:grid; gap:8px; }
.field label{ font-size:14px; letter-spacing:.1em; color:var(--ink); font-weight:600; }
.field label i{ font-style:normal; color:var(--gold-deep); }
.field input,.field select,.field textarea{
  appearance:none; -webkit-appearance:none;
  width:100%; min-height:48px; padding:12px 14px;
  background:var(--white); border:1px solid var(--line); border-radius:0;
  font-size:16px; /* 防 iOS 聚焦缩放 */
}
.field textarea{ min-height:120px; resize:vertical; }
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A5823A' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center;
}
.field input:focus,.field select:focus,.field textarea:focus{ border-color:var(--gold); outline:none; }
.field__hint{ font-size:12.5px; color:var(--muted); }
.form__ok{
  display:none; padding:16px 18px; border:1px solid var(--gold);
  background:#FBF7EC; color:var(--gold-deep); font-size:14.5px;
}
.form__ok.is-show{ display:block; }

/* ---------- 视频详情页 ---------- */
.vplayer{
  aspect-ratio:9/16; max-width:min(420px,100%); margin-inline:auto;
  position:relative; display:grid; place-items:center;
  background:linear-gradient(165deg,#24384B,#152232);
}
.vplayer__note{
  position:absolute; bottom:14px; left:0; right:0; text-align:center;
  font-size:12px; color:rgba(242,239,230,.65); letter-spacing:.2em;
}
.prose p{ margin-bottom:1.2em; max-width:44em; }
.prose .theme-line{
  font-family:var(--serif); font-size:clamp(19px,4.6vw,24px); color:var(--ink);
  border-left:2px solid var(--gold); padding-left:18px; margin:30px 0;
  line-height:2;
}
.crumb{ font-size:12.5px; color:var(--muted); padding:16px 0 0; letter-spacing:.06em; }
.crumb a:hover{ color:var(--gold-deep); }

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--ink); color:#9AA7B5; font-size:13px;
  padding:44px 0 32px; margin-top:0;
}
.site-foot .brand__name{ color:#F2EFE6; }
.foot-grid{ display:grid; gap:28px; margin-top:24px; grid-template-columns:repeat(3,1fr); }
.foot-col:first-child{ grid-column:1 / -1; }
.foot-col h4{ color:#F2EFE6; font-size:15px; margin-bottom:12px; letter-spacing:.14em; }
.foot-col a{ display:block; padding:5px 0; color:#9AA7B5; }
.foot-col a:hover{ color:var(--gold); }
.foot-legal{
  margin-top:32px; padding-top:20px; border-top:1px solid rgba(255,255,255,.12);
  display:grid; gap:6px; letter-spacing:.06em;
}
.foot-promise{ color:var(--gold); letter-spacing:.2em; }

/* ---------- 入场动效 ---------- */
html.js [data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .8s ease,transform .8s cubic-bezier(.22,.61,.36,1); }
html.js [data-reveal].is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  html.js [data-reveal]{ opacity:1; transform:none; transition:none; }
  .listen[aria-pressed="true"] .listen__disc{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- 桌面端 ---------- */
@media (min-width:1024px){
  body{ padding-bottom:0; }
  .tabbar{ display:none; }
  .site-head__in{ height:72px; }
  .brand__seal{ width:34px; height:34px; }
  .head-nav{ display:flex; align-items:center; gap:34px; }
  .head-nav a{ display:block; font-size:14.5px; letter-spacing:.14em; color:var(--body); padding:6px 2px; position:relative; }
  .head-nav a::after{
    content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
    background:var(--gold); transition:right .35s ease;
  }
  .head-nav a:hover::after,.head-nav a[aria-current="page"]::after{ right:0; }
  .head-nav a[aria-current="page"]{ color:var(--ink); }
  .section{ padding-block:96px; }
  .pillars{ grid-template-columns:repeat(3,1fr); }
  .pillar{ padding:44px 36px; }
  .video-grid{ gap:30px; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); }
  .row{ grid-template-columns:220px 1fr; gap:32px; padding:30px 8px; }
  .foot-grid{ grid-template-columns:2fr 1fr 1fr 1fr; }
  .foot-col:first-child{ grid-column:auto; }
  .verse-col{ right:8%; }
  .verse-col + .verse-col{ right:calc(8% + 56px); }
  .hero__in{ padding-right:20px; }
}

/* ---------- 弘一法师溯源页 ---------- */
.gallery{ display:grid; gap:26px; margin-top:36px; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); align-items:start; }
.gallery figure{ margin:0; }
.gallery img{
  width:100%; display:block;
  border:1px solid var(--line); padding:10px; background:var(--white);
  filter:sepia(.08);
}
.gallery figcaption{ margin-top:12px; font-size:13px; color:var(--muted); letter-spacing:.06em; line-height:1.8; }
.gallery figcaption b{ display:block; font-family:var(--serif); font-size:16px; color:var(--ink); font-weight:600; letter-spacing:.12em; }

.timeline{ border-top:1px solid var(--line); margin-top:32px; }
.tl-row{ display:grid; grid-template-columns:84px 1fr; gap:18px; padding:24px 4px; border-bottom:1px solid var(--line); }
.tl-year{ font-family:var(--serif); font-size:20px; color:var(--gold-deep); letter-spacing:.1em; }
.tl-body h3{ font-size:17px; margin-bottom:6px; }
.tl-body p{ font-size:14.5px; color:var(--body); max-width:42em; }

.beixin-quote{
  display:grid; gap:30px; align-items:center; margin-top:36px;
}
.beixin-quote img{ border:1px solid var(--line); padding:12px; background:var(--white); filter:sepia(.08); }
.beixin-words{
  font-family:var(--serif); font-size:clamp(30px,8vw,46px); color:var(--ink);
  letter-spacing:.3em; line-height:1.8;
}
.beixin-words small{ display:block; font-family:var(--sans); font-size:13px; letter-spacing:.14em; color:var(--muted); margin-top:18px; line-height:2; }
@media (min-width:1024px){
  .beixin-quote{ grid-template-columns:320px 1fr; gap:64px; }
}