* { box-sizing: border-box; }
:root {
    --bg: #11100e; --surface: #1c1915; --surface-hover: #242019;
    --text: #eadfc8; --muted: #9d917c; --gold: #d4af37; --line: #57482f;
}
html { min-height: 100%; }
body {
    margin: 0; min-height: 100vh; color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg);
    background-image: radial-gradient(circle at 50% 10%, #302b22 0, #171512 38%, #0e0e0d 85%);
}
.home-shell { max-width: 1156px; min-height: 100vh; margin: auto; padding: 0 28px 30px; display: flex; flex-direction: column; }
.home-header {
    min-height: 78px; display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--line);
}
.brand { color: var(--gold); text-decoration: none; font: 25px "STSong", "SimSun", serif; letter-spacing: 7px; }
.brand span { color: var(--muted); font-size: 12px; letter-spacing: 2px; margin-left: 7px; }
.home-header nav { display: flex; gap: 18px; }
.home-header nav a { color: var(--muted); text-decoration: none; font-size: 13px; letter-spacing: 1px; }
.home-header nav a:hover, .home-header nav a:focus-visible { color: var(--gold); }
main { flex: 1; padding: 54px 0 28px; }
.hero { text-align: center; margin-bottom: 35px; }
.hero-kicker { color: var(--gold); font-size: 12px; letter-spacing: 6px; margin-bottom: 14px; }
.hero h1 { margin: 0; font: 400 34px "STSong", "SimSun", serif; letter-spacing: 7px; }
.hero p { margin: 12px 0 0; color: var(--muted); font-size: 14px; letter-spacing: 3px; }
.method-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; max-width: 860px; margin: auto; }
.method-card {
    min-height: 158px; display: flex; gap: 22px; padding: 26px 27px;
    color: inherit; text-decoration: none; background: rgba(28, 25, 21, .93);
    border: 1px solid var(--line); border-radius: 7px;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.method-card:hover, .method-card:focus-visible {
    background: var(--surface-hover); border-color: #8c734a; transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0,0,0,.25); outline: none;
}
.method-number { flex: 0 0 auto; color: var(--gold); font: 25px "STSong", "SimSun", serif; }
.method-card h2 { margin: 0 0 9px; font: 400 23px "STSong", "SimSun", serif; letter-spacing: 3px; }
.method-card p { min-height: 40px; margin: 0 0 17px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.method-action { color: var(--gold); font-size: 12px; letter-spacing: 1px; }
.method-action b { display: inline-block; margin-left: 5px; transition: transform .2s ease; }
.method-card:hover .method-action b { transform: translateX(4px); }
.choice-guide {
    max-width: 860px; margin: 18px auto 0; padding: 14px 18px; display: flex; flex-wrap: wrap;
    align-items: center; justify-content: center; gap: 7px 12px; border-radius: 5px;
    background: rgba(36, 32, 25, .8); color: var(--muted); font-size: 12px;
}
.choice-guide strong { color: var(--gold); margin-right: 4px; }
.choice-guide i { color: #66583e; font-style: normal; }
footer { padding-top: 18px; text-align: center; color: #665d4f; font: 12px "STSong", "SimSun", serif; letter-spacing: 5px; }
@media (max-width: 700px) {
    .home-shell { padding: 0 18px 24px; }
    .home-header { min-height: 65px; align-items: center; }
    .brand { font-size: 22px; }
    .brand span { display: none; }
    .home-header nav { gap: 14px; }
    .home-header nav a { font-size: 12px; letter-spacing: 1px; }
    main { padding-top: 38px; }
    .hero { margin-bottom: 27px; }
    .hero h1 { font-size: 27px; letter-spacing: 4px; }
    .hero p { font-size: 12px; letter-spacing: 2px; }
    .method-grid { grid-template-columns: 1fr; gap: 12px; }
    .method-card { min-height: 0; padding: 21px 20px; gap: 17px; }
    .method-card h2 { font-size: 21px; }
    .method-card p { min-height: 0; margin-bottom: 13px; }
    .choice-guide { display: block; text-align: center; line-height: 2; }
    .choice-guide strong { display: block; }
    .choice-guide i { display: none; }
    .choice-guide span { white-space: nowrap; }
}
@media (max-width: 390px) {
    .home-header nav { gap: 9px; }
    .home-header nav a { font-size: 11px; }
    .hero h1 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
    .method-card, .method-action b { transition: none; }
}