:root { color-scheme: light; font-family: "PingFang SC","Hiragino Sans GB",system-ui,sans-serif; color: #25372f; background: #f6f4eb; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 1040px; padding: 16px clamp(18px, 5vw, 44px) 48px; margin: 0 auto; }
h1,h2,h3,p { margin: 0; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 0 16px; border-bottom: 1px solid #deddd0; }
.logo, .label { font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.logo b { color: #b46748; }
.quiet, .pill { background: #fffdf7; border: 1px solid #dddcd0; border-radius: 8px; color: #43554a; padding: 6px 11px; }
.quiet, .button { cursor: pointer; font: inherit; }
.hero { background: #1d372e; color: #f7f7e8; margin: 26px 0 28px; border-radius: 15px; padding: clamp(25px, 5vw, 48px); }
.hero .label { color: #d1e58f; }
h1 { margin: 7px 0 10px; font: 700 clamp(30px, 5.5vw, 51px)/1.16 "Songti SC","Noto Serif CJK SC",serif; }
.hero p:last-child { color: #dce6d8; }
h2 { font-size: 20px; margin-bottom: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%, 260px), 1fr)); gap: 12px; }
.tool { display: block; max-width: 480px; background: #fffef8; border: 1px solid #dddcd0; border-radius: 13px; color: inherit; text-decoration: none; padding: 21px; }
.tool:hover { border-color: #6e896f; }
.tool .label { color: #66795f; }
h3 { margin: 8px 0 5px; font-size: 21px; }
.tool p, .login > p:not(.label) { color: #55645a; line-height: 1.55; }
.open { display: inline-block; margin-top: 15px; color: #3e654a; font-weight: 700; }
.login { max-width: 440px; margin: clamp(27px, 11vh, 115px) auto 0; background: #fffef8; border: 1px solid #dddcd0; border-radius: 15px; padding: clamp(21px, 5vw, 36px); }
.login h1 { font-size: clamp(27px, 6vw, 35px); }
.login form { display: grid; gap: 8px; margin-top: 21px; }
.login input { width: 100%; font: inherit; padding: 10px; border: 1px solid #b8c3b5; border-radius: 7px; background: #fff; color: inherit; }
.button { margin-top: 4px; color: #fff; background: #284a3b; border: 0; border-radius: 7px; padding: 10px; font-weight: 700; }
.error { color: #963e29; font-size: 14px; }
:focus-visible { outline: 2px solid #a85934; outline-offset: 3px; }