/* 分红再投资复利：账簿纸感 + 衬线数字 + 朱红印章
   与前几套工具刻意区分：无大圆角，靠横格纸、细线表格与账簿行组织信息 */

:root {
    --dc-paper: #fbf9f3;
    --dc-paper-2: #f6f2e8;
    --dc-ink: #1e1b16;
    --dc-ink2: #4a443a;
    --dc-mut: #8a8171;
    --dc-line: #e3dccb;
    --dc-line2: #cfc5ae;
    --dc-navy: #1f3a5f;
    --dc-navy-soft: #e7ecf4;
    --dc-seal: #b3382c;
    --dc-seal-soft: #f7e7e4;
    --dc-gold: #9b7a33;
    --dc-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, serif;
    --dc-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --dc-shadow: 0 1px 0 rgba(30, 27, 22, .04), 0 14px 30px -26px rgba(30, 27, 22, .5);
}

[data-theme="dark"] {
    --dc-paper: #17140f;
    --dc-paper-2: #1d1913;
    --dc-ink: #f0e9da;
    --dc-ink2: #c9bfaa;
    --dc-mut: #93886f;
    --dc-line: #2e2820;
    --dc-line2: #443b2c;
    --dc-navy: #9dc0e8;
    --dc-navy-soft: rgba(157, 192, 232, .12);
    --dc-seal: #e0736a;
    --dc-seal-soft: rgba(224, 115, 106, .12);
    --dc-gold: #d3ae63;
    --dc-shadow: 0 1px 0 rgba(0, 0, 0, .5), 0 18px 34px -28px #000;
}

body { background: var(--dc-paper); }

.drc {
    font-family: var(--dc-sans);
    color: var(--dc-ink);
    background-color: var(--dc-paper);
    background-image: repeating-linear-gradient(180deg, transparent 0 27px, var(--dc-line) 27px 28px);
    font-size: 14px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
.drc *, .drc *::before, .drc *::after { box-sizing: border-box; }
.drc [hidden] { display: none !important; }
.drc h1, .drc h2, .drc h3 { margin: 0; line-height: 1.22; }
.drc p { margin: 0; }
.drc a { color: var(--dc-navy); text-decoration: none; }
.drc a:hover { text-decoration: underline; text-underline-offset: 3px; }
.drc button, .drc input, .drc select { font-family: inherit; }
.drc-wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部 ---------- */
.drc-hero {
    padding: 18px 0 30px;
    background:
        linear-gradient(180deg, var(--dc-paper-2) 0%, rgba(251, 249, 243, 0) 100%);
    border-bottom: 1px solid var(--dc-line2);
}
[data-theme="dark"] .drc-hero { background: linear-gradient(180deg, #1f1a13 0%, rgba(23, 20, 15, 0) 100%); }
.drc-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drc-crumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
    font-size: 12px; color: var(--dc-mut);
}
.drc-crumb a { color: var(--dc-mut); }
.drc-crumb a:hover { color: var(--dc-navy); }
.drc-crumb span { opacity: .5; }
.drc-crumb i { font-style: normal; color: var(--dc-ink2); }

.drc-theme {
    display: inline-flex; flex: none; gap: 2px;
    padding: 2px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-paper);
}
.drc-theme button {
    padding: 4px 10px;
    border: 0;
    background: transparent; color: var(--dc-mut);
    font-size: 11.5px; cursor: pointer;
    transition: background-color .15s, color .15s;
}
.drc-theme button:hover { color: var(--dc-ink); }
.drc-theme button[aria-pressed="true"] { background: var(--dc-navy); color: var(--dc-paper); }

.drc-hero-main {
    display: flex; align-items: flex-start; justify-content: space-between; gap: 32px;
    margin-top: 20px;
}
.drc-eyebrow {
    font-family: var(--dc-serif);
    font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
    color: var(--dc-gold);
}
.drc-h1 {
    margin-top: 8px;
    font-family: var(--dc-serif);
    font-size: clamp(28px, 3.6vw, 46px);
    font-weight: 700; letter-spacing: -.02em;
}
.drc-lede {
    margin-top: 12px; max-width: 34em;
    font-size: 15px; line-height: 1.95; color: var(--dc-ink2);
}
.drc-lede strong { color: var(--dc-ink); font-weight: 700; }
.drc-chips {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin: 16px 0 0; padding: 0; list-style: none;
}
.drc-chips li {
    padding: 3px 10px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-paper);
    font-size: 12px; color: var(--dc-ink2);
}
.drc-stamp-note {
    flex: none; width: 210px;
    padding: 14px 16px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-paper);
    box-shadow: var(--dc-shadow);
    transform: rotate(-.6deg);
}
.drc-stamp {
    display: inline-block;
    padding: 3px 10px;
    border: 2px solid var(--dc-seal);
    color: var(--dc-seal);
    font-family: var(--dc-serif);
    font-size: 15px; font-weight: 700; letter-spacing: .3em;
    transform: rotate(-4deg);
}
.drc-stamp-note p {
    margin-top: 10px;
    font-size: 12px; line-height: 1.9; color: var(--dc-mut);
}

/* ---------- 主区 ---------- */
.drc-main {
    display: grid;
    grid-template-columns: 336px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    margin-top: 26px;
}
.drc-main, .drc-book, .drc-summary, .drc-ledger, .drc-lower, .drc-card, .drc-curve { min-width: 0; }

/* 账页 */
.drc-book {
    padding: 18px 20px 20px;
    border: 1px solid var(--dc-line2);
    border-top: 3px double var(--dc-ink);
    background: var(--dc-paper);
    box-shadow: var(--dc-shadow);
}
.drc-book-head {
    display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--dc-ink);
}
.drc-book-head h2 {
    font-family: var(--dc-serif);
    font-size: 18px; letter-spacing: .1em;
}
.drc-book-head span { font-size: 11.5px; color: var(--dc-mut); }

.drc-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 7px 0;
    border-bottom: 1px dashed var(--dc-line);
    cursor: text;
}
.drc-row-k {
    flex: none;
    font-size: 13px; color: var(--dc-ink2);
}
.drc-row-v {
    display: inline-flex; align-items: baseline; gap: 3px;
    min-width: 0;
    padding-bottom: 1px;
    border-bottom: 1px solid var(--dc-line2);
}
.drc-row-v input, .drc-row-v select {
    width: 96px;
    padding: 3px 0;
    border: 0; background: transparent;
    color: var(--dc-ink);
    font-family: var(--dc-serif);
    font-size: 16px; font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: right;
    outline: none;
    transition: color .15s;
}
.drc-row-v select { width: 108px; font-family: var(--dc-sans); font-size: 13px; font-weight: 500; cursor: pointer; }
.drc-row-v input:focus, .drc-row-v select:focus { color: var(--dc-navy); }
.drc-row:focus-within { border-bottom-color: var(--dc-navy); }
.drc-row.is-bad .drc-row-v { border-bottom-color: var(--dc-seal); }
.drc-row.is-bad input { color: var(--dc-seal); }
.drc-row-v em {
    font-style: normal;
    font-size: 11.5px; color: var(--dc-mut);
}

.drc-more { margin-top: 10px; }
.drc-more summary {
    padding: 6px 0;
    font-size: 12.5px; color: var(--dc-navy);
    cursor: pointer; list-style: none;
    border-bottom: 1px dotted var(--dc-line2);
}
.drc-more summary::-webkit-details-marker { display: none; }
.drc-more summary::before { content: "＋ "; font-size: 12px; }
.drc-more[open] summary::before { content: "－ "; }

.drc-err {
    margin-top: 12px;
    padding: 7px 10px;
    border-left: 3px solid var(--dc-seal);
    background: var(--dc-seal-soft);
    font-size: 12.5px; color: var(--dc-seal);
}
.drc-actions { display: flex; gap: 8px; margin-top: 14px; }
.drc-btn {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid var(--dc-ink);
    background: var(--dc-ink); color: var(--dc-paper);
    font-size: 13px; font-weight: 600; cursor: pointer;
    transition: opacity .15s;
}
.drc-btn:hover { opacity: .88; }
.drc-btn-ghost { background: transparent; color: var(--dc-ink2); border-color: var(--dc-line2); }
.drc-btn-ghost:hover { border-color: var(--dc-ink); color: var(--dc-ink); }
.drc-fineprint {
    margin-top: 10px;
    font-size: 11.5px; line-height: 1.8; color: var(--dc-mut);
}

/* ---------- 结果 ---------- */
.drc-summary { min-width: 0; }
.drc-ledger {
    position: relative;
    padding: 20px 24px 22px;
    border: 1px solid var(--dc-line2);
    background:
        linear-gradient(180deg, var(--dc-paper-2), var(--dc-paper) 42%);
    box-shadow: var(--dc-shadow);
}
.drc-ledger::before {
    content: "";
    position: absolute; inset: 5px;
    border: 1px solid var(--dc-line);
    pointer-events: none;
}
.drc-ledger-head {
    display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
    padding-bottom: 7px;
    border-bottom: 1px solid var(--dc-ink);
}
.drc-ledger-head h2 {
    font-family: var(--dc-serif);
    font-size: 16px; letter-spacing: .12em;
}
.drc-ledger-year { font-size: 12px; color: var(--dc-mut); }

.drc-shares {
    margin-top: 14px;
    font-family: var(--dc-serif);
    font-size: clamp(38px, 5.2vw, 56px);
    font-weight: 700; line-height: 1.05;
    letter-spacing: -.02em;
    font-variant-numeric: tabular-nums;
}
.drc-shares em {
    margin-left: 6px;
    font-family: var(--dc-sans);
    font-style: normal; font-size: 14px; font-weight: 400;
    color: var(--dc-mut);
}
.drc-shares-note { margin-top: 3px; font-size: 12.5px; color: var(--dc-mut); }

.drc-lines {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 26px;
    margin: 16px 0 0;
}
.drc-lines > div {
    display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
    padding: 7px 0;
    border-bottom: 1px dotted var(--dc-line2);
}
.drc-lines dt { font-size: 12.5px; color: var(--dc-mut); }
.drc-lines dd {
    margin: 0;
    font-family: var(--dc-serif);
    font-size: 15px; font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.drc-seal {
    position: absolute; right: 22px; top: 58px;
    padding: 6px 8px;
    border: 2px solid var(--dc-seal);
    color: var(--dc-seal);
    font-family: var(--dc-serif);
    font-size: 12px; line-height: 1.4;
    letter-spacing: .12em;
    transform: rotate(-7deg);
    opacity: .85;
    pointer-events: none;
}

.drc-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: 12px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-line);
}
.drc-metric {
    padding: 12px 14px 11px;
    background: var(--dc-paper);
}
.drc-metric span { font-size: 11.5px; color: var(--dc-mut); }
.drc-metric b {
    display: block; margin-top: 3px;
    font-family: var(--dc-serif);
    font-size: 19px; font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.drc-metric b.is-neg { color: var(--dc-seal); }
.drc-metric p { margin-top: 2px; font-size: 11px; line-height: 1.6; color: var(--dc-mut); }

.drc-curve {
    margin-top: 12px;
    padding: 14px 16px 10px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-paper);
    box-shadow: var(--dc-shadow);
}
.drc-curve-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    flex-wrap: wrap;
}
.drc-curve-head h3 {
    font-family: var(--dc-serif);
    font-size: 14px; letter-spacing: .08em;
}
.drc-legend {
    display: flex; flex-wrap: wrap; gap: 12px;
    margin: 0; padding: 0; list-style: none;
    font-size: 11.5px; color: var(--dc-mut);
}
.drc-legend li { display: inline-flex; align-items: center; gap: 5px; }
.drc-legend i { width: 14px; height: 2px; }
.drc-legend .lg-a { background: var(--dc-navy); }
.drc-legend .lg-b { background: var(--dc-line2); }
.drc-chart { width: 100%; height: 176px; margin-top: 6px; }
.drc-chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.drc-chart .cv-grid { stroke: var(--dc-line); stroke-width: 1; stroke-dasharray: 2 4; }
.drc-chart .cv-a { fill: none; stroke: var(--dc-navy); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.drc-chart .cv-b { fill: none; stroke: var(--dc-line2); stroke-width: 1.6; stroke-dasharray: 5 4; stroke-linejoin: round; }
.drc-chart .cv-txt { fill: var(--dc-mut); font-size: 10.5px; font-family: var(--dc-sans); }
.drc-chart .cv-dot { fill: var(--dc-navy); }

/* ---------- 下方 ---------- */
.drc-lower { display: grid; gap: 18px; margin: 20px auto 56px; }
.drc-card {
    padding: 18px 20px 20px;
    border: 1px solid var(--dc-line2);
    background: var(--dc-paper);
    box-shadow: var(--dc-shadow);
}
.drc-card-head {
    display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--dc-ink);
}
.drc-card-head h2 {
    font-family: var(--dc-serif);
    font-size: 16px; letter-spacing: .06em;
}
.drc-card-head span { font-size: 12px; color: var(--dc-mut); }

.drc-tablewrap {
    max-width: 100%;
    margin-top: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.drc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.drc-table th, .drc-table td {
    padding: 8px 12px;
    text-align: right;
    white-space: nowrap;
    border-bottom: 1px solid var(--dc-line);
    font-variant-numeric: tabular-nums;
}
.drc-table th {
    font-size: 11.5px; font-weight: 600; color: var(--dc-mut);
    background: var(--dc-paper-2);
    border-bottom: 1px solid var(--dc-line2);
}
.drc-table th:first-child, .drc-table td:first-child { text-align: left; }
.drc-table tbody tr:nth-child(even) { background: rgba(31, 58, 95, .03); }
.drc-table tbody tr:hover { background: var(--dc-navy-soft); }
.drc-table td { color: var(--dc-ink2); }
.drc-table td:first-child { color: var(--dc-ink); font-weight: 600; }
.drc-table-scene td:first-child { font-family: var(--dc-serif); font-size: 14px; }
.drc-empty { text-align: center !important; color: var(--dc-mut); }

/* ---------- 说明 ---------- */
.drc-note-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 30px;
    margin-top: 14px;
}
.drc-note-grid h3 {
    font-size: 13.5px;
    padding-left: 10px;
    border-left: 2px solid var(--dc-gold);
    margin-bottom: 4px;
}
.drc-note-grid p { font-size: 13.5px; line-height: 1.95; color: var(--dc-ink2); }
.drc-faq { margin-top: 18px; border-top: 1px solid var(--dc-line2); }
.drc-faq details { border-bottom: 1px solid var(--dc-line); }
.drc-faq summary {
    position: relative;
    padding: 12px 30px 12px 0;
    font-size: 13.5px; font-weight: 600;
    cursor: pointer; list-style: none;
}
.drc-faq summary::-webkit-details-marker { display: none; }
.drc-faq summary::after {
    content: "＋"; position: absolute; right: 4px; top: 11px;
    font-size: 13px; color: var(--dc-mut);
}
.drc-faq details[open] summary::after { content: "－"; color: var(--dc-navy); }
.drc-faq details > div {
    padding: 0 0 13px;
    font-size: 13.5px; line-height: 1.95; color: var(--dc-ink2);
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .drc-main { grid-template-columns: minmax(0, 1fr); }
    .drc-stamp-note { display: none; }
    .drc-seal { top: 14px; right: 16px; font-size: 11px; }
}
@media (max-width: 720px) {
    .drc-wrap { padding: 0 16px; }
    .drc-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .drc-note-grid { grid-template-columns: minmax(0, 1fr); }
    .drc-lines { grid-template-columns: minmax(0, 1fr); }
    .drc-chart { height: 150px; }
    .drc-theme button { padding: 4px 8px; }
}
@media (max-width: 480px) {
    .drc-topline { align-items: flex-start; flex-direction: column; gap: 8px; }
    .drc-theme { align-self: flex-end; }
    .drc-h1 { font-size: 27px; }
    .drc-shares { font-size: 38px; }
    .drc-seal { position: static; display: inline-block; margin-top: 12px; }
    .drc-book { padding: 16px; }
}