/* ============================================================
   解忧 · 设计系统 site.css（2026-10-23 改版）
   双品牌色：小解 = 苔绿（治愈·平静）｜小忧 = 琥珀（行动·活力）
   规范依据：design-master（UI/UX 评价标准 + 设计令牌）
            web-design-layout（60-30-10 配色 / 1.25 字阶 / 4px 网格）
   ============================================================ */

:root{
  /* ---- 品牌色 ---- */
  --c-green-700:#3a6150; --c-green-600:#46735d; --c-green-500:#55886d;
  --c-green-300:#8fb3a0; --c-green-100:#e7f0ea; --c-green-50:#f2f7f4;
  --c-amber-500:#c07b44; --c-amber-400:#d9a05b;
  --c-amber-200:#e3c8a8; --c-amber-100:#f7ece0; --c-amber-50:#fbf5ec;
  /* ---- 中性色 ---- */
  --c-ink:#2f2a26; --c-title:#383029; --c-ink2:#5f564e;
  --c-muted:#6f645c; --c-faint:#9b9188;
  --c-bg:#f8f5f1; --c-bg-soft:#fbf8f4; --c-card:#ffffff;
  --c-border:#e9e1d8; --c-track:#e9e2da; --c-line:#cfc4b9;
  --c-crimson:#b95448;
  /* ---- 兼容别名（旧页面内联 var(--accent) 等自动继承新色）---- */
  --accent:var(--c-green-600); --accent2:var(--c-amber-500);
  --bg:var(--c-bg); --card:var(--c-card); --text:var(--c-ink);
  --muted:var(--c-muted); --border:var(--c-border); --radius:18px;
  /* ---- 排版（1.25 Major Third）---- */
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --text-xs:.75rem; --text-sm:.875rem; --text-base:1rem; --text-lg:1.125rem;
  --text-xl:1.25rem; --text-2xl:1.5rem; --text-3xl:1.875rem; --text-4xl:2.25rem;
  --leading-body:1.75; --leading-title:1.35;
  /* ---- 间距（4px 网格）---- */
  --space-2:.5rem; --space-3:.75rem; --space-4:1rem; --space-5:1.25rem;
  --space-6:1.5rem; --space-8:2rem; --space-10:2.5rem; --space-12:3rem;
  /* ---- 圆角 ---- */
  --radius-sm:8px; --radius-md:12px; --radius-lg:18px; --radius-xl:24px; --radius-full:9999px;
  /* ---- 阴影 ---- */
  --shadow-sm:0 1px 2px 0 rgba(60,45,30,.05);
  --shadow-md:0 4px 12px -2px rgba(60,45,30,.08);
  --shadow-lg:0 12px 32px -6px rgba(60,45,30,.12);
  --shadow-xl:0 20px 44px -10px rgba(60,45,30,.16);
  /* ---- 动效 ---- */
  --dur-fast:150ms; --dur-normal:300ms; --dur-slow:500ms;
  --ease-out:cubic-bezier(0,0,0.2,1); --ease-in-out:cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset & 基础 ---- */
*{margin:0;padding:0;box-sizing:border-box;font-family:var(--font-sans);}
button,.chip,.option,.ld,.day-item,.act-row a,.fb-btn,a.btn-link,summary{
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;}
/* 按压反馈：点下去有「回弹」，消除生硬感 */
button:active:not(:disabled){transform:scale(.96);}
.chip:active,.option:active,.ld:active,.fb-btn:active{transform:scale(.95);}
.option:active{background:var(--c-green-100);}
.ld:active{background:var(--c-green-500);color:#fff;border-color:var(--c-green-500);}
.day-item:active{background:var(--c-green-100);}
html{-webkit-text-size-adjust:100%;}
body{background:radial-gradient(1200px 600px at 50% -10%,#fdfaf6 0%,var(--c-bg) 60%);
  color:var(--c-ink);line-height:var(--leading-body);min-height:100vh;
  font-size:16px;}
a{color:var(--c-green-600);}
:focus-visible{outline:2px solid var(--c-green-500);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-green-100);}

.container{max-width:960px;margin:0 auto;padding:0 24px 60px;}

/* ---- 顶部导航（子页面统一，吸顶）---- */
.site-nav{position:sticky;top:0;z-index:50;
  background:rgba(252,249,245,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 24px;animation:fadeUp .6s ease both;}
.site-nav .brand{font-size:16px;font-weight:700;color:var(--c-title);
  text-decoration:none;letter-spacing:1px;display:flex;align-items:center;gap:8px;white-space:nowrap;}
.site-nav .brand .logo{width:28px;height:28px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-green-500),var(--c-green-700));
  display:flex;align-items:center;justify-content:center;font-size:15px;}
.site-nav .links{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end;}
.site-nav .links a{padding:6px 12px;font-size:14px;color:var(--c-muted);
  text-decoration:none;border-radius:var(--radius-full);transition:all var(--dur-fast) var(--ease-out);white-space:nowrap;}
.site-nav .links a:hover{color:var(--c-green-700);background:var(--c-green-100);}
@media(max-width:640px){
  .site-nav{justify-content:center;flex-wrap:wrap;padding:8px 16px;}
  .site-nav .links{justify-content:center;}
}

/* ---- 页头 ---- */
header{text-align:center;margin-bottom:48px;animation:fadeUp .8s ease both;}
h1{font-size:var(--text-4xl);letter-spacing:1px;margin-bottom:14px;color:var(--c-title);line-height:var(--leading-title);}
.desc{font-size:var(--text-base);color:var(--c-muted);max-width:640px;margin:0 auto;}

/* ---- Hero（首页）---- */
.hero{text-align:center;padding:56px 0 28px;animation:fadeUp .8s ease both;}
.hero .hero-jie{width:min(300px,80%);margin:0 auto 22px;display:block;
  filter:drop-shadow(0 14px 28px rgba(70,115,93,.18));}
.hero h1{font-size:52px;letter-spacing:6px;margin-bottom:16px;font-weight:800;}
.hero h1 .gre{color:var(--c-green-600);}
.hero .slogan{font-size:19px;color:var(--c-title);font-weight:600;margin-bottom:10px;}
.hero .desc{margin-bottom:36px;}
.hero .hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
@media(max-width:640px){.hero{padding-top:44px;}.hero h1{font-size:40px;letter-spacing:4px;}}

/* ---- 分区标题 ---- */
.zone{margin-top:56px;animation:fadeUp .9s .1s ease both;}
.zone-head{display:flex;align-items:center;gap:14px;margin-bottom:6px;}
.zone-emoji{width:46px;height:46px;border-radius:15px;color:#fff;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:23px;
  box-shadow:var(--shadow-md);}
.zone-emoji.green{background:linear-gradient(135deg,var(--c-green-500),var(--c-green-700));}
.zone-emoji.amber{background:linear-gradient(135deg,var(--c-amber-400),var(--c-amber-500));}
.zone-emoji.gold{background:linear-gradient(135deg,#e6b455,#c07b44);}
.zone-head h2{font-size:var(--text-2xl);color:var(--c-title);letter-spacing:1px;}
.zone-desc{font-size:var(--text-sm);color:var(--c-muted);margin:0 0 24px 60px;max-width:680px;}
@media(max-width:640px){.zone-desc{margin-left:0;margin-top:6px;}}

/* ---- 卡片 ---- */
.card-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:24px;animation:fadeUp .9s .15s ease both;}
.card-wrap.solo{grid-template-columns:minmax(260px,420px);}
.card-wrap.pair{grid-template-columns:repeat(2,minmax(260px,1fr));}
@media(max-width:640px){.card-wrap.pair{grid-template-columns:1fr;}}
.card{background:var(--c-card);padding:30px;border-radius:var(--radius-lg);
  border:1px solid var(--c-border);box-shadow:var(--shadow-md);position:relative;
  transition:transform var(--dur-normal) var(--ease-out),box-shadow var(--dur-normal) var(--ease-out);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.card h3{font-size:19px;margin-bottom:10px;color:var(--c-title);}
.card p{color:var(--c-muted);font-size:15px;margin-bottom:20px;}
.card .badge{position:absolute;top:-11px;right:18px;background:var(--c-crimson);color:#fff;
  font-size:12px;padding:2px 11px;border-radius:var(--radius-full);box-shadow:var(--shadow-sm);}
.card.green-tint{background:linear-gradient(135deg,#fff,var(--c-green-50));
  border:1.5px solid var(--c-green-300);}
.card.amber-tint{background:linear-gradient(135deg,#fff,var(--c-amber-50));
  border:1.5px solid var(--c-amber-200);}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-md);border:none;cursor:pointer;
  font-size:15px;font-weight:600;text-decoration:none;line-height:1.4;
  background:linear-gradient(135deg,var(--c-green-500),var(--c-green-600));color:#fff;
  box-shadow:0 6px 16px -6px rgba(70,115,93,.45);
  transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),filter var(--dur-fast) var(--ease-out);}
.btn:hover{filter:brightness(1.06);transform:translateY(-2px);
  box-shadow:0 10px 22px -6px rgba(70,115,93,.5);}
.btn.amber{background:linear-gradient(135deg,var(--c-amber-400),var(--c-amber-500));
  box-shadow:0 6px 16px -6px rgba(192,123,68,.45);}
.btn.ghost{background:transparent;color:var(--c-green-700);
  border:1.5px solid var(--c-border);box-shadow:none;}
.btn.ghost:hover{background:var(--c-green-100);border-color:var(--c-green-300);filter:none;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 36px;font-size:17px;border-radius:var(--radius-full);letter-spacing:1px;}

/* ---- 会员卡（付费转化区）---- */
.price{font-size:34px;font-weight:800;color:var(--c-green-700);letter-spacing:0;}
.price small{font-size:15px;font-weight:600;color:var(--c-muted);}
.perk-list{list-style:none;text-align:left;margin:18px auto;max-width:230px;}
.perk-list li{font-size:14px;color:var(--c-ink2);padding:5px 0 5px 26px;position:relative;}
.perk-list li::before{content:"✓";position:absolute;left:0;top:5px;width:18px;height:18px;
  border-radius:50%;background:var(--c-green-100);color:var(--c-green-700);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.card.hot{border:2px solid var(--c-green-600);box-shadow:0 14px 36px -12px rgba(70,115,93,.35);}
.card.hot .badge{background:linear-gradient(135deg,var(--c-green-500),var(--c-green-700));}
.card.hot .price{color:var(--c-green-600);}

/* ---- 页脚 ---- */
footer{margin-top:80px;padding-top:28px;border-top:1px solid var(--c-border);
  font-size:13px;color:var(--c-faint);}
footer a{color:var(--c-green-600);text-decoration:none;}
footer a:hover{text-decoration:underline;}
footer .foot-nav{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px;font-size:14px;}
footer .foot-nav a{color:var(--c-muted);}
footer .disclaimer{line-height:1.8;}

/* ---- 到点提醒弹窗（解解任务提醒：首页/自测页共用）---- */
.remind-pop{position:fixed;inset:0;z-index:999;background:rgba(47,42,38,.45);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  display:none;align-items:center;justify-content:center;padding:24px;animation:fadeIn .25s ease both;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.remind-pop-card{background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(47,42,38,.3);
  max-width:360px;width:100%;padding:28px 24px 22px;text-align:center;
  animation:popIn .35s cubic-bezier(.34,1.56,.64,1) both;}
@keyframes popIn{from{transform:scale(.8);opacity:0;}to{transform:scale(1);opacity:1;}}
.rp-icon{font-size:40px;margin-bottom:10px;}
.rp-title{font-size:17px;font-weight:700;color:var(--c-title);margin-bottom:8px;}
.rp-text{font-size:15px;color:var(--c-ink2);line-height:1.7;margin-bottom:18px;white-space:pre-wrap;word-break:break-word;}
.rp-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
.rp-btn{padding:10px 20px;border-radius:12px;font-size:14px;cursor:pointer;border:none;background:var(--c-green-600);color:#fff;transition:all .2s;}
.rp-btn:hover{background:var(--c-green-700);transform:translateY(-1px);}
.rp-btn:active{transform:scale(.95);}
.rp-btn.ghost{background:transparent;border:1.5px solid var(--border);color:var(--muted);transform:none;}
.rp-btn.ghost:hover{background:var(--c-bg-soft);}

/* ---- 解解聊天组件（chat.html；test.html 热身聊带同款内联样式）---- */
.chat-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  box-shadow:0 8px 28px rgba(60,45,30,.06);overflow:hidden;animation:fadeUp .35s ease both;}
.chat-head{display:flex;align-items:center;gap:10px;padding:14px 18px;
  border-bottom:1px solid var(--c-border);background:var(--c-bg-soft);}
.chat-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--c-green-500),var(--c-amber-500));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex-shrink:0;overflow:hidden;}
.chat-avatar img{width:100%;height:100%;object-fit:cover;}
.chat-head .chat-name{font-weight:600;font-size:15px;color:var(--c-title);}
.chat-head .chat-status{font-size:12px;color:var(--c-muted);display:flex;align-items:center;gap:5px;}
.chat-dot{width:7px;height:7px;border-radius:50%;background:var(--c-green-300);display:inline-block;}
.chat-dot.paused{background:var(--c-amber-400);}
.chat-body{height:400px;overflow-y:auto;padding:16px 14px;background:var(--c-bg-soft);}
.chat-msg{display:flex;margin-bottom:12px;animation:fadeUp .25s ease both;}
.chat-msg.user{justify-content:flex-end;}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.65;
  word-break:break-word;white-space:pre-wrap;}
.chat-msg.ai .chat-bubble{background:#fff;border:1px solid var(--c-border);border-top-left-radius:4px;color:var(--c-ink2);}
.chat-msg.user .chat-bubble{background:var(--accent);color:#fff;border-top-right-radius:4px;}
.chat-msg.sys{justify-content:center;}
.chat-msg.sys .chat-bubble{background:var(--c-green-100);color:var(--c-muted);font-size:12.5px;
  border-radius:10px;max-width:90%;text-align:center;}
.chat-msg.sys .chat-bubble a{color:var(--c-green-700);font-weight:600;}
.chat-msg .chat-busy{display:flex;align-items:center;gap:8px;color:var(--c-muted);font-size:13px;}
.chat-input-row{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--c-border);background:#fff;}
.chat-input-row input{flex:1;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--c-ink);
  border:1.5px solid var(--c-border);border-radius:99px;transition:border-color .2s;background:#fff;}
.chat-input-row input:focus{outline:none;border-color:var(--c-green-500);}
.chat-send{padding:11px 20px;border-radius:99px;flex-shrink:0;background:var(--c-green-600);color:#fff;
  border:none;cursor:pointer;font-size:14px;font-weight:600;}
.chat-send:hover{background:var(--c-green-700);transform:translateY(-2px);}
.chat-send:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--c-line);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---- 首页聊天横幅卡 ---- */
.card.chat-banner{display:flex;align-items:center;gap:26px;padding:22px 28px;}
.card.chat-banner img{width:150px;flex-shrink:0;filter:drop-shadow(0 10px 20px rgba(70,115,93,.16));}
.card.chat-banner .cb-text{flex:1;}
.card.chat-banner h3{margin-bottom:6px;}
.card.chat-banner p{margin-bottom:14px;}
@media(max-width:640px){
  .card.chat-banner{flex-direction:column;text-align:center;padding:22px 18px;}
  .card.chat-banner img{width:120px;}
}

/* ---- 动效 ---- */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
}